23:I[7638,["/_next/static/chunks/1nkjstpmp978x.js","/_next/static/chunks/0g8d-v19n010u.js","/_next/static/chunks/2xonh_kqmr__3.js","/_next/static/chunks/3spet-0yezls2.js","/_next/static/chunks/2wvg5zqmbil4p.js","/_next/static/chunks/1l73s1hqiu28q.js","/_next/static/chunks/3l_wb6il5gi_h.js","/_next/static/chunks/136wug8odqdqr.js"],"SampleDetailWrapper"] 2a:I[27201,["/_next/static/chunks/1nkjstpmp978x.js","/_next/static/chunks/0g8d-v19n010u.js","/_next/static/chunks/2xonh_kqmr__3.js","/_next/static/chunks/3spet-0yezls2.js"],"IconMark"] 24:T6fe,Assembly shows XOR instruction xor eax ebp in Stream UID: 00000000-00001296-34362-20-00021F2B Assembly shows XOR instruction xor ecx ebp in Stream UID: 00000000-00001296-34362-20-00021F2B Assembly shows XOR instruction xor eax ebp in Stream UID: 00000000-00001296-34362-24-00021C84 Assembly shows XOR instruction xor ecx ebp in Stream UID: 00000000-00001296-34362-24-00021C84 Assembly shows XOR instruction xor eax ebp in Stream UID: 00000000-00001296-34362-27-00021962 Assembly shows XOR instruction xor ecx ebp in Stream UID: 00000000-00001296-34362-27-00021962 Assembly shows XOR instruction xor eax esp in Stream UID: 00000000-00001296-34362-28-000218B0 Assembly shows XOR instruction xor ecx esp in Stream UID: 00000000-00001296-34362-28-000218B0 Assembly shows XOR instruction xor eax ebp in Stream UID: 00000000-00001296-34362-29-00021DAF Assembly shows XOR instruction xor ecx ebp in Stream UID: 00000000-00001296-34362-29-00021DAF Assembly shows XOR instruction xor eax dword ptr [ebp-0Ch] in Stream UID: 00000000-00001296-34362-31-00023663 Assembly shows XOR instruction xor dword ptr [ebp-04h] eax in Stream UID: 00000000-00001296-34362-31-00023663 Assembly shows XOR instruction xor eax dword ptr [ebp-04h] in Stream UID: 00000000-00001296-34362-31-00023663 Assembly shows XOR instruction xor eax ecx in Stream UID: 00000000-00001296-34362-31-00023663 Assembly shows XOR instruction xor eax dword ptr [ebp-14h] in Stream UID: 00000000-00001296-34362-31-00023663 Assembly shows XOR instruction xor ecx eax in Stream UID: 00000000-00001296-34362-31-00023663 Assembly shows XOR instruction xor eax ebp in Stream UID: 00000000-00001296-34362-53-00022C5A Assembly shows XOR instruction xor ecx ebp in Stream UID: 00000000-00001296-34362-53-00022C5A25:T1ba5,Found reference to API (Indicator: "OleUninitialize"; File: "00000000-00001296.00000000.93586.00021000.00000020.mdmp") Found reference to API (Indicator: "OleInitialize"; File: "00000000-00001296.00000000.93586.00021000.00000020.mdmp") Found reference to API (Indicator: "MessageBoxW"; File: "00000000-00001296.00000000.93586.00021000.00000020.mdmp") Found reference to API (Indicator: "OleUninitialize"; Source: "00000000-00001296.00000000.93586.00021000.00000020.mdmp") Found reference to API (Indicator: "OleInitialize"; Source: "00000000-00001296.00000000.93586.00021000.00000020.mdmp") Found reference to API (Indicator: "MessageBoxW"; Source: "00000000-00001296.00000000.93586.00021000.00000020.mdmp") Found reference to API (Indicator: "RtlImageNtHeader"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "NtSetInformationProcess"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "CoUninitialize"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "CoInitializeEx"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "CharNextW"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "HeapSetInformation"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "SetErrorMode"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "GetLastError"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "UnhandledExceptionFilter"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "SetUnhandledExceptionFilter"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "GetCurrentProcess"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "CreateProcessW"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "GetExitCodeProcess"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "TerminateProcess"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "GetCurrentProcessId"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "GetCurrentThreadId"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "CloseHandle"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "LoadStringW"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "GetProcAddress"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "GetModuleHandleW"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "FreeLibrary"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "LoadLibraryExW"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "FormatMessageW"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "WaitForSingleObject"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "Sleep"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "QueryPerformanceCounter"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "GetSystemDirectoryW"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "GetSystemTimeAsFileTime"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "GetTickCount"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "WideCharToMultiByte"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "RegQueryValueExW"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "RegOpenKeyExW"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "RegCloseKey"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "ReadFile"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "SetFilePointer"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "CreateFileW"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "GetCommandLineW"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "lstrlenW"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "LocalAlloc"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "lstrcmpW"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "Wow64EnableWow64FsRedirection"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "IsWow64Process2"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "GetSystemWow64Directory2W"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "HeapAlloc"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "GetProcessHeap"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "RaiseException"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "LoadLibraryExA"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "ReleaseSRWLockExclusive"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "AcquireSRWLockExclusive"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "VirtualProtect"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "VirtualQuery"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp") Found reference to API (Indicator: "GetSystemInfo"; Source: "00000000-00001296.00000000.93586.00025000.00000002.mdmp")26:T496,"Korkuevi.VoiceSession.dll" file has an entrypoint instructions - "jmp dword ptr [0x402000],add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,add byte ptr [eax], al,"27:T542,"regsvr32.exe" (Access type: "OPEN"; Path: "HKLM\SYSTEM\CONTROLSET001\CONTROL\SESSION MANAGER"; Key: ""; Value: "") "regsvr32.exe" (Access type: "OPEN"; Path: "HKLM\SYSTEM\CONTROLSET001\CONTROL\SESSION MANAGER\SEGMENT HEAP"; Key: ""; Value: "") "regsvr32.exe" (Access type: "OPEN"; Path: "HKLM\SOFTWARE\MICROSOFT\WOW64\X86"; Key: ""; Value: "") "regsvr32.exe" (Access type: "OPEN"; Path: "HKLM\SYSTEM\CONTROLSET001\CONTROL\SAFEBOOT\OPTION"; Key: ""; Value: "") "regsvr32.exe" (Access type: "OPEN"; Path: "HKLM\SYSTEM\CONTROLSET001\CONTROL\SRP\GP\DLL"; Key: ""; Value: "") "regsvr32.exe" (Access type: "OPEN"; Path: "HKLM\SOFTWARE\POLICIES\MICROSOFT\WINDOWS\SAFER\CODEIDENTIFIERS"; Key: ""; Value: "") "regsvr32.exe" (Access type: "OPEN"; Path: "HKCU\SOFTWARE\POLICIES\MICROSOFT\WINDOWS\SAFER\CODEIDENTIFIERS"; Key: ""; Value: "") "regsvr32.exe" (Access type: "OPEN"; Path: "HKLM\SYSTEM\CONTROLSET001\CONTROL\FILESYSTEM"; Key: ""; Value: "") "regsvr32.exe" (Access type: "OPEN"; Path: "HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS NT\CURRENTVERSION\APPCOMPATFLAGS"; Key: ""; Value: "") "regsvr32.exe" (Access type: "OPEN"; Path: "HKCU\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\SHELL FOLDERS"; Key: ""; Value: "") "regsvr32.exe" (Access type: "OPEN"; Path: "HKLM\SYSTEM\CONTROLSET001\CONTROL\NLS\CUSTOMLOCALE"; Key: ""; Value: "")28:Ta84,"regsvr32.exe" (Access type: "QUERYVAL"; Path: "HKLM\SYSTEM\CONTROLSET001\CONTROL\SESSION MANAGER"; Key: "SAFEDLLSEARCHMODE"; Value: "") "regsvr32.exe" (Access type: "QUERYVAL"; Path: "HKLM\SYSTEM\CONTROLSET001\CONTROL\SESSION MANAGER"; Key: "RESOURCEPOLICIES"; Value: "") "regsvr32.exe" (Access type: "QUERYVAL"; Path: "HKLM\SOFTWARE\MICROSOFT\WOW64\X86"; Key: "REGSVR32.EXE"; Value: "") "regsvr32.exe" (Access type: "QUERYVAL"; Path: "HKLM\SOFTWARE\MICROSOFT\WOW64\X86"; Key: ""; Value: "") "regsvr32.exe" (Access type: "QUERYVAL"; Path: "HKLM\SOFTWARE\POLICIES\MICROSOFT\WINDOWS\SAFER\CODEIDENTIFIERS"; Key: "TRANSPARENTENABLED"; Value: "") "regsvr32.exe" (Access type: "QUERYVAL"; Path: "HKLM\SYSTEM\CONTROLSET001\CONTROL\FILESYSTEM"; Key: "LONGPATHSENABLED"; Value: "") "regsvr32.exe" (Access type: "QUERYVAL"; Path: "HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS NT\CURRENTVERSION\APPCOMPATFLAGS"; Key: "LOGFLAGS"; Value: "") "regsvr32.exe" (Access type: "QUERYVAL"; Path: "HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS NT\CURRENTVERSION\APPCOMPATFLAGS"; Key: "SHOWDEBUGINFO"; Value: "") "regsvr32.exe" (Access type: "QUERYVAL"; Path: "HKCU\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\SHELL FOLDERS"; Key: "CACHE"; Value: "") "regsvr32.exe" (Access type: "QUERYVAL"; Path: "HKLM\SYSTEM\CONTROLSET001\CONTROL\NLS\CUSTOMLOCALE"; Key: "EMPTY"; Value: "") "regsvr32.exe" (Access type: "QUERYVAL"; Path: "HKLM\SYSTEM\CONTROLSET001\CONTROL\NLS\LANGUAGE"; Key: "INSTALLLANGUAGEFALLBACK"; Value: "") "regsvr32.exe" (Access type: "QUERYVAL"; Path: "HKLM\SYSTEM\CONTROLSET001\CONTROL\MUI\UILANGUAGES\EN-US"; Key: "TYPE"; Value: "") "regsvr32.exe" (Access type: "QUERYVAL"; Path: "HKLM\SYSTEM\CONTROLSET001\CONTROL\MUI\UILANGUAGES\EN-US"; Key: "ALTERNATECODEPAGE"; Value: "") "regsvr32.exe" (Access type: "QUERYVAL"; Path: "HKCU\CONTROL PANEL\DESKTOP"; Key: "PREFERREDUILANGUAGES"; Value: "") "regsvr32.exe" (Access type: "QUERYVAL"; Path: "HKCU\CONTROL PANEL\DESKTOP\MUICACHED"; Key: "MACHINEPREFERREDUILANGUAGES"; Value: "") "regsvr32.exe" (Access type: "QUERYVAL"; Path: "HKLM\SYSTEM\CONTROLSET001\CONTROL\NLS\SORTING\VERSIONS"; Key: ""; Value: "") "regsvr32.exe" (Access type: "QUERYVAL"; Path: "HKLM\SYSTEM\CONTROLSET001\CONTROL\LSA\FIPSALGORITHMPOLICY"; Key: "ENABLED"; Value: "") "regsvr32.exe" (Access type: "QUERYVAL"; Path: "HKLM\SYSTEM\CONTROLSET001\CONTROL\LSA"; Key: "FIPSALGORITHMPOLICY"; Value: "") "regsvr32.exe" (Access type: "QUERYVAL"; Path: "HKLM\SYSTEM\CONTROLSET001\CONTROL\LSA\FIPSALGORITHMPOLICY"; Key: "MDMENABLED"; Value: "") "regsvr32.exe" (Access type: "QUERYVAL"; Path: "HKLM\SOFTWARE\MICROSOFT\OLE"; Key: "PAGEALLOCATORUSESYSTEMHEAP"; Value: "")29:T5a8,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1b:["$","$L2",null,{"children":[["$","script",null,{"type":"application/ld+json","dangerouslySetInnerHTML":{"__html":"{\"@context\":\"https://schema.org\",\"@type\":\"TechArticle\",\"headline\":\"Sample 5a2439536e56… — Score 0/100 — Hybrid Analysis\",\"description\":\"Threat analysis for sample 5a2439536e56…. Threat score 0/100. 0/25 AV engines flagged this file. 0 malicious and 9 suspicious behavioral indicators. View antivirus detections, behavioral indicators, and sandbox reports.\",\"url\":\"/sample/5a2439536e5606c38b43d1f611dfb18e83ec1396ba80a75422873294d08c6275\",\"keywords\":[\"malware analysis\",\"sandbox report\",\"threat intelligence\",\"5a2439536e5606c38b43d1f611dfb18e83ec1396ba80a75422873294d08c6275\"],\"about\":{\"@type\":\"SoftwareApplication\",\"name\":\"Korkuevi.VoiceSession.dll\",\"applicationCategory\":[\"pedll\",\"executable\"],\"identifier\":\"5a2439536e5606c38b43d1f611dfb18e83ec1396ba80a75422873294d08c6275\"},\"threatScore\":0,\"antivirusDetections\":{\"malicious\":0,\"total\":25},\"behavioralIndicators\":{\"malicious\":0,\"suspicious\":9},\"publisher\":{\"@type\":\"Organization\",\"name\":\"Hybrid Analysis\",\"url\":\"https://www.hybrid-analysis.com\"}}"}}],["$","$L23",null,{"initialData":{"schema_version":"1.0.15","sha256":"5a2439536e5606c38b43d1f611dfb18e83ec1396ba80a75422873294d08c6275","overall_status":"SUCCESS","all_analysis_status":{"qsp_status":"SUCCESS","sandbox_status":"SUCCESS","fastscan_status":"SUCCESS"},"verdict":"no specific threat","threat_score":0,"unified_at_epoch_ms":1791302593044,"unified_at":"2026-10-06T16:03:13.044Z","metadata":{"hashes":{"sha256":"5a2439536e5606c38b43d1f611dfb18e83ec1396ba80a75422873294d08c6275","sha1":"96403770e687dcb17446e1ce2a01062fec48614e","md5":"2bf91811c198dc91793420e832c6ec94","sha512":"89e8b677e034ea2061a08f994c698c3df0809231d478e21462ae916643a3d463c3efafae0be73e6aa3b68e29046c320e5cc0421a807e830d21cecd1f69f64be7","ssdeep":"768:4/tKlHSc/Q7jGj0jBjYjW7dtjYkfXBdrzxTmIMgYmCg:4/oZSJTjYkfnJZ7Cg","ssdeep_chunks":["768:4/tKlHS","768:/tKlHSc","768:tKlHSc/","768:KlHSc/Q","768:lHSc/Q7","768:HSc/Q7j","768:Sc/Q7jG","768:c/Q7jGj","768:/Q7jGj0","768:Q7jGj0j","768:7jGj0jB","768:jGj0jBj","768:Gj0jBjY","768:j0jBjYj","768:0jBjYjW","768:jBjYjW7","768:BjYjW7d","768:jYjW7dt","768:YjW7dtj","768:jW7dtjY","768:W7dtjYk","768:7dtjYkf","768:dtjYkfX","768:tjYkfXB","768:jYkfXBd","768:YkfXBdr","768:kfXBdrz","768:fXBdrzx","768:XBdrzxT","768:BdrzxTm","768:drzxTmI","768:rzxTmIM","768:zxTmIMg","768:xTmIMgY","768:TmIMgYm","768:mIMgYmC","768:IMgYmCg","1536:4/tKlHS","1536:/tKlHSc","1536:tKlHSc/","1536:KlHSc/Q","1536:lHSc/Q7","1536:HSc/Q7j","1536:Sc/Q7jG","1536:c/Q7jGj","1536:/Q7jGj0","1536:Q7jGj0j","1536:7jGj0jB","1536:jGj0jBj","1536:Gj0jBjY","1536:j0jBjYj","1536:0jBjYjW","1536:jBjYjW7","1536:BjYjW7d","1536:jYjW7dt","1536:YjW7dtj","1536:jW7dtjY","1536:W7dtjYk","1536:7dtjYkf","1536:dtjYkfX","1536:tjYkfXB","1536:jYkfXBd","1536:YkfXBdr","1536:kfXBdrz","1536:fXBdrzx","1536:XBdrzxT","1536:BdrzxTm","1536:drzxTmI","1536:rzxTmIM","1536:zxTmIMg","1536:xTmIMgY","1536:TmIMgYm","1536:mIMgYmC","1536:IMgYmCg","768:4/oZSJT","768:/oZSJTj","768:oZSJTjY","768:ZSJTjYk","768:SJTjYkf","768:JTjYkfn","768:TjYkfnJ","768:jYkfnJZ","768:YkfnJZ7","768:kfnJZ7C","768:fnJZ7Cg"],"imphash":"dae02f32a21e03ce65412f6e56942daa"},"file_info":{"file_name":"Korkuevi.VoiceSession.dll","file_type":["pedll","executable"],"file_type_id":"dll","file_size":30720,"is_container_sample":false,"url_analysis":false},"submissions":{"first_seen":1791302515000,"last_seen":1791302515000,"last_multi_scan":1791302515000}},"detections":{"summary":{"verdict":"no specific 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string)"},{"type":"informative","value":"Contains ability to load modules (API string)"},{"type":"informative","value":"Contains ability to create/open files (API string)"},{"type":"informative","value":"Contains ability to dynamically load libraries"},{"type":"suspicious","value":"Contains ability to retrieve the command-line string for the current process"},{"type":"informative","value":"Contains ability to execute Windows APIs"},{"type":"informative","value":"Contains ability to set/get the last-error code for a calling thread (API string)"},{"type":"informative","value":"Contains ability to create a new process (API string)"},{"type":"informative","value":"Calls an API typically used to retrieve function addresses"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Execution","technique":"Windows Command Shell","attack_id":"T1059.003","attack_id_wiki":"https://attack.mitre.org/techniques/T1059/003","identifiers":[{"type":"informative","value":"Able to retrieve command line parameters of the running process"},{"type":"informative","value":"Contains ability to retrieve the command-line string for the current process (API string)"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Execution","technique":"Shared Modules","attack_id":"T1129","attack_id_wiki":"https://attack.mitre.org/techniques/T1129","identifiers":[{"type":"informative","value":"Loads modules at runtime"},{"type":"informative","value":"Loads the RPC (Remote Procedure Call) module DLL"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Persistence","technique":"Modify Registry","attack_id":"T1112","attack_id_wiki":"https://attack.mitre.org/techniques/T1112","identifiers":[{"type":"informative","value":"Contains ability to modify registry key/value (API string)"},{"type":"informative","value":"Able to delete registry key/value (API string)"},{"type":"informative","value":"Contains ability to disable/close registry key (API string)"},{"type":"informative","value":"Able to create/load registry keys (API string)"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Persistence","technique":"Windows Service","attack_id":"T1543.003","attack_id_wiki":"https://attack.mitre.org/techniques/T1543/003","identifiers":[{"type":"informative","value":"Contains ability to access device drivers"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Privilege Escalation","technique":"Dynamic-link Library Injection","attack_id":"T1055.001","attack_id_wiki":"https://attack.mitre.org/techniques/T1055/001","identifiers":[{"type":"informative","value":"Contains ability to load/free library (API string)"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Privilege Escalation","technique":"Token Impersonation/Theft","attack_id":"T1134.001","attack_id_wiki":"https://attack.mitre.org/techniques/T1134/001","identifiers":[{"type":"informative","value":"Contains ability to obtains specified information about the security of a file or directory (API string)"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Privilege Escalation","technique":"Exploitation for Privilege Escalation","attack_id":"T1068","attack_id_wiki":"https://attack.mitre.org/techniques/T1068","identifiers":[{"type":"informative","value":"Opens the Kernel Security Device Driver (KsecDD) of Windows"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Defense Evasion","technique":"Time Based Checks","attack_id":"T1497.003","attack_id_wiki":"https://attack.mitre.org/techniques/T1497/003","identifiers":[{"type":"informative","value":"Contains ability to delay execution by waiting for signal/timeout (API string)"},{"type":"informative","value":"Contains ability to retrieve the time elapsed since the system was started (API string)"},{"type":"informative","value":"Contains ability to delay the execution of current thread"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Defense Evasion","technique":"Timestomp","attack_id":"T1070.006","attack_id_wiki":"https://attack.mitre.org/techniques/T1070/006","identifiers":[{"type":"informative","value":"Contains ability to retrieve file time (API string)"},{"type":"informative","value":"Contains ability to query local/system time as file time"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Defense Evasion","technique":"User Activity Based Checks","attack_id":"T1497.002","attack_id_wiki":"https://attack.mitre.org/techniques/T1497/002","identifiers":[{"type":"informative","value":"Able to identify virtual environment by using user activity (API string)"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Defense Evasion","technique":"File Deletion","attack_id":"T1070.004","attack_id_wiki":"https://attack.mitre.org/techniques/T1070/004","identifiers":[{"type":"informative","value":"Contains ability to delete files/directories (API string)"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Defense Evasion","technique":"File and Directory Permissions Modification","attack_id":"T1222","attack_id_wiki":"https://attack.mitre.org/techniques/T1222","identifiers":[{"type":"informative","value":"Contains ability to modify file attributes (API string)"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Defense Evasion","technique":"System Checks","attack_id":"T1497.001","attack_id_wiki":"https://attack.mitre.org/techniques/T1497/001","identifiers":[{"type":"suspicious","value":"Queries process mitigation policy via NtQueryInformationProcess"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Defense Evasion","technique":"Indicator Blocking","attack_id":"T1562.006","attack_id_wiki":"https://attack.mitre.org/techniques/T1562/006","identifiers":[{"type":"informative","value":"Modifies process error mode to suppress error dialogs"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Defense Evasion","technique":"Obfuscated Files or Information","attack_id":"T1027","attack_id_wiki":"https://attack.mitre.org/techniques/T1027","identifiers":[{"type":"suspicious","value":"Timestamp in PE header is very old or in the future"},{"type":"informative","value":"Loads the Bcrypt module DLL"},{"type":"informative","value":"Matched Compiler/Packer signature (DIE)"},{"type":"informative","value":"Shows ability to obfuscate file or information"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Defense Evasion","technique":"Mutual Exclusion","attack_id":"T1480.002","attack_id_wiki":"https://attack.mitre.org/techniques/T1480/002","identifiers":[{"type":"informative","value":"Creates mutants"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Defense Evasion","technique":"Regsvr32","attack_id":"T1218.010","attack_id_wiki":"https://attack.mitre.org/techniques/T1218/010","identifiers":[{"type":"informative","value":"Executes a DLL using Regsvr32 process"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Defense Evasion","technique":"Software Packing","attack_id":"T1027.002","attack_id_wiki":"https://attack.mitre.org/techniques/T1027/002","identifiers":[{"type":"informative","value":"Matched Compiler/Packer signature"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Defense Evasion","technique":"Debugger Evasion","attack_id":"T1622","attack_id_wiki":"https://attack.mitre.org/techniques/T1622","identifiers":[{"type":"informative","value":"Contains ability to register a top-level exception handler (often used as anti-debugging trick)"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Defense Evasion","technique":"Indicator Removal from Tools","attack_id":"T1027.005","attack_id_wiki":"https://attack.mitre.org/techniques/T1027/005","identifiers":[{"type":"informative","value":"Contains XOR operation loops [Stream disassembly]"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Defense Evasion","technique":"Virtualization/Sandbox Evasion","attack_id":"T1497","attack_id_wiki":"https://attack.mitre.org/techniques/T1497","identifiers":[{"type":"informative","value":"Contains ability to detect virtual environment (API)"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Defense Evasion","technique":"Execution Guardrails","attack_id":"T1480","attack_id_wiki":"https://attack.mitre.org/techniques/T1480","identifiers":[{"type":"informative","value":"Shows ability to use execution guardrails"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Defense Evasion","technique":"Deobfuscate/Decode Files or Information","attack_id":"T1140","attack_id_wiki":"https://attack.mitre.org/techniques/T1140","identifiers":[{"type":"informative","value":"Shows ability to deobfuscate/decode files or information"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Credential Access","technique":"OS Credential Dumping","attack_id":"T1003","attack_id_wiki":"https://attack.mitre.org/techniques/T1003","identifiers":[{"type":"informative","value":"Attempts to invoke APIs commonly associated with credential theft and data exfiltration functionality"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Credential Access","technique":"Credential API Hooking","attack_id":"T1056.004","attack_id_wiki":"https://attack.mitre.org/techniques/T1056/004","identifiers":[{"type":"suspicious","value":"Hooks API calls"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Discovery","technique":"System Information Discovery","attack_id":"T1082","attack_id_wiki":"https://attack.mitre.org/techniques/T1082","identifiers":[{"type":"suspicious","value":"Contains ability to retrieve a module handle"},{"type":"informative","value":"Contains ability to retrieve system configuration"},{"type":"informative","value":"Able to retrieve information about the current system (API string)"},{"type":"informative","value":"Calls an API typically used to get system version information"},{"type":"informative","value":"Reads information about supported languages"},{"type":"informative","value":"Contains ability to retrieve information about the current system"},{"type":"informative","value":"Found system command-related strings"},{"type":"informative","value":"Contains ability to retrieve a module handle (API string)"},{"type":"informative","value":"Contains ability to read software policies"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Discovery","technique":"Remote System Discovery","attack_id":"T1018","attack_id_wiki":"https://attack.mitre.org/techniques/T1018","identifiers":[{"type":"informative","value":"Able to identify remote systems"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Discovery","technique":"Process Discovery","attack_id":"T1057","attack_id_wiki":"https://attack.mitre.org/techniques/T1057","identifiers":[{"type":"informative","value":"Contains ability to determine if process is running under WOW64 (API string)"},{"type":"informative","value":"Able to retrieve/open a process (API string)"},{"type":"informative","value":"Calls an API typically used for taking snapshot of the specified processes"},{"type":"informative","value":"Contains ability to retrieve/open a process"},{"type":"informative","value":"Contains ability to enumerate process and/or its information (API string)"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Discovery","technique":"File and Directory Discovery","attack_id":"T1083","attack_id_wiki":"https://attack.mitre.org/techniques/T1083","identifiers":[{"type":"informative","value":"Tries to access non-existent files (executable)"},{"type":"informative","value":"Touches files"},{"type":"informative","value":"Contains ability to retrieve file and directory information (API string)"},{"type":"informative","value":"Contains ability to read files (API string)"},{"type":"informative","value":"Able to rename or move file/directory (API string)"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Discovery","technique":"Query Registry","attack_id":"T1012","attack_id_wiki":"https://attack.mitre.org/techniques/T1012","identifiers":[{"type":"informative","value":"Opens registry keys"},{"type":"informative","value":"Queries registry keys"},{"type":"suspicious","value":"Monitors specific registry key for changes"},{"type":"informative","value":"Able to query registry keys (API string)"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Discovery","technique":"System Language Discovery","attack_id":"T1614.001","attack_id_wiki":"https://attack.mitre.org/techniques/T1614/001","identifiers":[{"type":"suspicious","value":"Attempts to retrieve the system language code"},{"type":"informative","value":"Reads the windows installation language"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Discovery","technique":"System Time Discovery","attack_id":"T1124","attack_id_wiki":"https://attack.mitre.org/techniques/T1124","identifiers":[{"type":"informative","value":"Contains ability to query machine time"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Lateral Movement","technique":"Lateral Tool Transfer","attack_id":"T1570","attack_id_wiki":"https://attack.mitre.org/techniques/T1570","identifiers":[{"type":"informative","value":"Contains ability to move file or directory (API string)"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Command and Control","technique":"Application Layer Protocol","attack_id":"T1071","attack_id_wiki":"https://attack.mitre.org/techniques/T1071","identifiers":[{"type":"informative","value":"Found potential IP address in binary/memory"},{"type":"informative","value":"Found potential URL in binary/memory"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Impact","technique":"Service Stop","attack_id":"T1489","attack_id_wiki":"https://attack.mitre.org/techniques/T1489","identifiers":[{"type":"suspicious","value":"Contains ability to terminate a process"},{"type":"informative","value":"Contains ability to terminate a process (API string)"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"tactic":"Impact","technique":"Data Encrypted for Impact","attack_id":"T1486","attack_id_wiki":"https://attack.mitre.org/techniques/T1486","identifiers":[{"type":"informative","value":"Contains reference to crypto DLLs"}],"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]}],"sandbox_signatures":[{"level":"informative","category":"Anti-Detection/Stealthiness","name":"Contains ability to delay execution by waiting for signal/timeout (API string)","description":"Found reference to API \"WaitForSingleObject\" (Indicator: \"WaitForSingleObject\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")\n Found reference to API \"QueryPerformanceCounter\" (Indicator: \"QueryPerformanceCounter\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")\n Found reference to API \"GetSystemTimeAsFileTime\" (Indicator: \"GetSystemTimeAsFileTime\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1497.003","relevance":1,"id":"string-226","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Anti-Detection/Stealthiness","name":"Contains ability to load/free library (API string)","description":"Found reference to API \"FreeLibrary\" (Indicator: \"FreeLibrary\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")\n Found reference to API \"LoadLibraryExW\" (Indicator: \"LoadLibrary\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")\n Found reference to API \"LoadLibraryExA\" (Indicator: \"LoadLibrary\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1055.001","relevance":1,"id":"string-318","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Anti-Detection/Stealthiness","name":"Contains ability to modify registry key/value (API string)","description":"Found reference to API \"\" (Indicator: \"RegSetValue\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")\n Found reference to API \"\" (Indicator: \"RegSetValue\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")\n Found reference to API \"\" (Indicator: \"RegSetValue\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")\n Found reference to API \"\" (Indicator: \"RegSetValue\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1112","relevance":1,"id":"string-304","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Anti-Detection/Stealthiness","name":"Modifies process error mode to suppress error dialogs","description":"\"regsvr32.exe\" set its error mode to SEM_NOOPENFILEERRORBOX","origin":"API Call","mitre_attack_id":"T1562.006","relevance":10,"id":"api-38","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Anti-Reverse Engineering","name":"Contains ability to register a top-level exception handler (often used as anti-debugging trick)","description":"SetUnhandledExceptionFilter@KERNELBASE.DLL at 00000000-00001296-34362-13-00023460\n SetUnhandledExceptionFilter@KERNELBASE.DLL at 00000000-00001296-34362-16-00023210","origin":"Hybrid Analysis Technology","mitre_attack_id":"T1622","relevance":1,"id":"stream-4","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Anti-Reverse Engineering","name":"Found strings in conjunction with a procedure lookup that resolve to a known API export symbol","description":"Found reference to API SetProcessDPIAware@USER32.DLL at 00000000-00001296-34362-24-00021C84","origin":"Hybrid Analysis Technology","relevance":10,"id":"stream-41","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Cryptographic Related","name":"Contains XOR operation loops [Stream disassembly]","description":"$24","origin":"Hybrid Analysis Technology","mitre_attack_id":"T1027.005","id":"stream-139","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Cryptographic Related","name":"Contains reference to crypto DLLs","description":"Found string \":\\WINDOWS\\System32\\MSVCP140.dll\" (Indicator: \"\\msvcp140.dll\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1486","relevance":1,"id":"string-493","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Cryptographic Related","name":"Shows ability to deobfuscate/decode files or information","description":"The analysis shows use of encryption and can be used to decode file or information. Matched sigs: Contains XOR operation loops [Stream disassembly]","origin":"Indicator Combinations","mitre_attack_id":"T1140","relevance":1,"id":"summary-32","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Cryptographic Related","name":"Shows ability to obfuscate file or information","description":"The analysis contains indicators for crypto or data obfuscation(base64/decrypt) which can hide information. Matched sigs: Contains reference to crypto DLLs\n Matched sigs: Contains XOR operation loops [Stream disassembly]","origin":"Indicator Combinations","mitre_attack_id":"T1027","relevance":1,"id":"summary-28","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Environment Awareness","name":"Able to identify virtual environment by using user activity (API string)","description":"Found string \"GetCommandLineW\" (Indicator: \"GetCommandLine\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1497.002","relevance":1,"id":"string-661","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Environment Awareness","name":"Able to retrieve information about the current system (API string)","description":"Found system information discovery API: \"GetSystemInfo\" in \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\"","origin":"File/Memory","mitre_attack_id":"T1082","relevance":1,"id":"string-89","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Environment Awareness","name":"Attempts to invoke APIs commonly associated with credential theft and data exfiltration functionality","description":"\"regsvr32.exe\" called \"NtQueryInformationToken\" with parameters (UID: 00000000-00001296)","origin":"API Call","mitre_attack_id":"T1003","relevance":3,"id":"api-297","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Environment Awareness","name":"Calls an API typically used to get system version information","description":"\"regsvr32.exe\" called \"RtlGetVersion\" with parameter 140100000a00000000000000ab3f00000200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 (UID: 00000000-00001296)","origin":"API Call","mitre_attack_id":"T1082","relevance":3,"id":"api-125","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Environment Awareness","name":"Contains ability to detect virtual environment (API)","description":"GetTickCount@KERNELBASE.DLL at 00000000-00001296-34362-31-00023663","origin":"Hybrid Analysis Technology","mitre_attack_id":"T1497","relevance":3,"id":"stream-87","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Environment Awareness","name":"Contains ability to determine if process is running under WOW64 (API string)","description":"Found reference to API \"IsWow64Process2\" (Indicator: \"IsWow64Process\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1057","relevance":1,"id":"string-450","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Environment Awareness","name":"Contains ability to query local/system time as file time","description":"GetSystemTimeAsFileTime@KERNELBASE.DLL at 00000000-00001296-34362-31-00023663","origin":"Hybrid Analysis Technology","mitre_attack_id":"T1070.006","relevance":1,"id":"stream-71","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Environment Awareness","name":"Contains ability to query machine time","description":"GetSystemTimeAsFileTime@KERNELBASE.DLL at 00000000-00001296-34362-31-00023663","origin":"Hybrid Analysis Technology","mitre_attack_id":"T1124","relevance":1,"id":"stream-2","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Environment Awareness","name":"Contains ability to read software policies","description":"\"regsvr32.exe\" (Path: \"HKLM\\SOFTWARE\\POLICIES\\MICROSOFT\\WINDOWS\\SAFER\\CODEIDENTIFIERS\"; Key: \"TRANSPARENTENABLED\")","origin":"Registry Access","mitre_attack_id":"T1082","relevance":1,"id":"registry-78","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Environment Awareness","name":"Contains ability to retrieve file time (API string)","description":"Found reference to API \"GetSystemTimeAsFileTime\" (Indicator: \"GetSystemTimeAsFileTime\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1070.006","relevance":1,"id":"string-249","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Environment Awareness","name":"Contains ability to retrieve information about the current system","description":"GetSystemInfo@KERNELBASE.DLL at 00000000-00001296-34362-48-00022A8A","origin":"Hybrid Analysis Technology","mitre_attack_id":"T1082","relevance":4,"id":"stream-86","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Environment Awareness","name":"Contains ability to retrieve system configuration","description":"Found string \"SystemInfo\" (Indicator: \"systeminfo\"; File: \"Korkuevi.VoiceSession.dll\")","origin":"File/Memory","mitre_attack_id":"T1082","relevance":1,"id":"string-359","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Environment Awareness","name":"Contains ability to retrieve/open a process","description":"GetProcessHeap@KERNELBASE.DLL at 00000000-00001296-34362-53-00022C5A","origin":"Hybrid Analysis Technology","mitre_attack_id":"T1057","relevance":1,"id":"stream-31","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"External Systems","name":"Sample was identified as clean by Antivirus engines","description":"0/24 Antivirus vendors marked sample as clean (0% detection rate)","origin":"External System","relevance":10,"id":"avtest-1","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Able to create/load registry keys (API string)","description":"Found registry modification API: \"\" in \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\"\n Found registry modification API: \"\" in \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\"\n Found registry modification API: \"\" in \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\"\n Found registry modification API: \"\" in \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\"","origin":"File/Memory","mitre_attack_id":"T1112","relevance":1,"id":"string-307","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Able to rename or move file/directory (API string)","description":"Found string \"\" (Indicator: \"MoveFileA\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")\n Found string \"\" (Indicator: \"MoveFileW\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")\n Found string \"\" (Indicator: \"MoveFileExA\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")\n Found string \"\" (Indicator: \"MoveFileExW\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1083","relevance":1,"id":"string-884","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Able to retrieve command line parameters of the running process","description":"Found string \"GetCommandLineW\" (Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1059.003","relevance":1,"id":"string-930","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Able to retrieve/open a process (API string)","description":"Found reference to API \"GetProcessHeap\" (Indicator: \"GetProcessHeap\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1057","relevance":1,"id":"string-272","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Calls an API typically used to retrieve function addresses","description":"\"regsvr32.exe\" called \"GetProcAddress\" with a parameter SleepConditionVariableCS (UID: 00000000-00001296)\n \"regsvr32.exe\" called \"GetProcAddress\" with a parameter WakeAllConditionVariable (UID: 00000000-00001296)\n \"regsvr32.exe\" called \"GetProcAddress\" with a parameter RtlGetVersion (UID: 00000000-00001296)\n \"regsvr32.exe\" called \"GetProcAddress\" with a parameter CoCreateInstance (UID: 00000000-00001296)\n \"regsvr32.exe\" called \"GetProcAddress\" with a parameter CoCreateInstanceEx (UID: 00000000-00001296)\n \"regsvr32.exe\" called \"GetProcAddress\" with a parameter CoGetClassObject (UID: 00000000-00001296)\n \"regsvr32.exe\" called \"GetProcAddress\" with a parameter CoGetInstanceFromFile (UID: 00000000-00001296)\n \"regsvr32.exe\" called \"GetProcAddress\" with a parameter CoGetInstanceFromIStorage (UID: 00000000-00001296)\n \"regsvr32.exe\" called \"GetProcAddress\" with a parameter FlsGetValue (UID: 00000000-00001296)","origin":"API Call","mitre_attack_id":"T1106","relevance":1,"id":"api-176","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Contains PDB pathways","description":"\"Korkuevi.VoiceSession.pdb\"\n \"regsvr32.pdb\"","origin":"File/Memory","relevance":1,"id":"string-7","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Contains ability to create a new process (API string)","description":"Found reference to API \"CreateProcessW\" (Indicator: \"CreateProcess\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1106","relevance":1,"id":"string-204","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Contains ability to create/open files (API string)","description":"Found reference to API \"CreateFileW\" (Indicator: \"CreateFile\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")\n Found reference to API \"\" (Indicator: \"CreateFile\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")\n Found reference to API \"\" (Indicator: \"CreateFile\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1106","relevance":1,"id":"string-315","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Contains ability to delay the execution of current thread","description":"Sleep at 00000000-00001296-34362-17-000231F0\n WaitForSingleObject at 00000000-00001296-34362-27-00021962","origin":"Hybrid Analysis Technology","mitre_attack_id":"T1497.003","relevance":3,"id":"stream-103","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Contains ability to disable/close registry key (API string)","description":"Found reference to API \"RegCloseKey\" (Indicator: \"RegCloseKey\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1112","relevance":1,"id":"string-345","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Contains ability to dynamically load libraries","description":"LoadLibraryExW at 00000000-00001296-34362-20-00021F2B\n LoadLibraryExA at 00000000-00001296-34362-53-00022C5A","origin":"Hybrid Analysis Technology","mitre_attack_id":"T1106","relevance":3,"id":"stream-108","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Contains ability to execute Windows APIs","description":"$25","origin":"File/Memory","mitre_attack_id":"T1106","relevance":1,"id":"string-101","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Contains ability to move file or directory (API string)","description":"Found reference to API \"\" (Indicator: \"MoveFile\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")\n Found reference to API \"\" (Indicator: \"MoveFile\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")\n Found reference to API \"\" (Indicator: \"MoveFile\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")\n Found reference to API \"\" (Indicator: \"MoveFile\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1570","relevance":1,"id":"string-322","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Contains ability to retrieve the command-line string for the current process (API string)","description":"Found reference to API \"GetCommandLineW\" (Indicator: \"GetCommandLine\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1059.003","relevance":1,"id":"string-206","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Contains ability to set/get the last-error code for a calling thread (API string)","description":"Found reference to API \"GetLastError\" (Indicator: \"GetLastError\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1106","relevance":1,"id":"string-319","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Creates mutants","description":"Process regsvr32.exe created mutex with name \"\\Sessions\\1\\BaseNamedObjects\\SM0:1296:168:WilStaging_02\"\n Process regsvr32.exe created mutex with name \"\\Sessions\\1\\BaseNamedObjects\\Local\\SM0:1296:168:WilStaging_02\"\n Process regsvr32.exe created mutex with name \"Local\\SM0:1296:168:WilStaging_02\"\n Process regsvr32.exe created mutex with name \"SM0:1296:168:WilStaging_02\"","origin":"Created Mutant","mitre_attack_id":"T1480.002","relevance":3,"id":"mutant-0","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"DLL with no export directory","description":"\"Korkuevi.VoiceSession.dll\" has no export directory \"IMAGE_DIRECTORY_ENTRY_EXPORT\"","origin":"Static Parser","relevance":1,"id":"static-91","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Executes a DLL using Regsvr32 process","description":"Process \"regsvr32.exe\" with commandline \"/s \"C:\\\\Korkuevi.VoiceSession.dll\"\" (UID: 00000000-00001296)","origin":"Monitored Target","mitre_attack_id":"T1218.010","relevance":1,"id":"target-329","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"File contains dynamic base/NX flags","description":"\"Korkuevi.VoiceSession.dll\" has flags like IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE\n IMAGE_DLLCHARACTERISTICS_NX_COMPAT\n IMAGE_DLLCHARACTERISTICS_NO_SEH\n IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE","origin":"Static Parser","id":"static-154","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Loads modules at runtime","description":"\"regsvr32.exe\" loaded module \"%WINDIR%\\TEMP\\VXOLE32.DLL\" at base 73cf0000\n \"regsvr32.exe\" loaded module \"EXT-MS-WIN-COM-OLE32-L1-1-0.DLL\" at base 777a0000\n \"regsvr32.exe\" loaded module \"%WINDIR%\\SYSTEM32\\UXTHEME.DLL\" at base 73c70000\n \"regsvr32.exe\" loaded module \"C:\\KORKUEVI.VOICESESSION.DLL\" at base 2790000\n \"regsvr32.exe\" loaded module \"KERNEL32.DLL\" at base 76ad0000","origin":"API Call","mitre_attack_id":"T1129","relevance":1,"id":"api-7","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Loads the Bcrypt module DLL","description":"\"regsvr32.exe\" loaded module \"%WINDIR%\\SysWOW64\\bcryptprimitives.dll\" at 77740000\n \"regsvr32.exe\" loaded module \"%WINDIR%\\SysWOW64\\bcrypt.dll\" at 73EA0000","origin":"Loaded Module","mitre_attack_id":"T1027","id":"module-9","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Loads the RPC (Remote Procedure Call) module DLL","description":"\"regsvr32.exe\" loaded module \"%WINDIR%\\SysWOW64\\rpcrt4.dll\" at 77450000","origin":"Loaded Module","mitre_attack_id":"T1129","id":"module-10","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Matched Compiler/Packer signature (DIE)","description":"\"Korkuevi.VoiceSession.dll\" was detected as \".NET\" and name: \"Library\"\n \"Korkuevi.VoiceSession.dll\" was detected as \"Microsoft Linker\" and name: \"Linker\"","origin":"Static Parser","mitre_attack_id":"T1027","id":"static-157","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"PE file contains COM data directory","description":"\"Korkuevi.VoiceSession.dll\" has COM data directory \"IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR\"","origin":"Static Parser","id":"static-144","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"PE file contains Debug data directory","description":"\"Korkuevi.VoiceSession.dll\" has Debug data directory \"IMAGE_DIRECTORY_ENTRY_DEBUG\"","origin":"Static Parser","id":"static-146","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"PE file contains executable sections","description":"\"Korkuevi.VoiceSession.dll\" has an executable section named \".text\"","origin":"Static Parser","relevance":1,"id":"static-80","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"PE file entrypoint instructions","description":"$26","origin":"Static Parser","id":"static-96","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Reads information about supported languages","description":"\"regsvr32.exe\" (Path: \"HKLM\\SYSTEM\\CONTROLSET001\\CONTROL\\NLS\\CUSTOMLOCALE\"; Key: \"EMPTY\")\n \"regsvr32.exe\" (Path: \"HKLM\\SYSTEM\\CONTROLSET001\\CONTROL\\NLS\\CUSTOMLOCALE\"; Key: \"EN-US\")\n \"regsvr32.exe\" (Path: \"HKLM\\SYSTEM\\CONTROLSET001\\CONTROL\\NLS\\EXTENDEDLOCALE\"; Key: \"EN-US\")","origin":"Registry Access","mitre_attack_id":"T1082","relevance":3,"id":"registry-25","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"General","name":"Uses 32 bit executable PE","description":"\"Korkuevi.VoiceSession.dll\" has flags like IMAGE_FILE_32BIT_MACHINE\n IMAGE_FILE_EXECUTABLE","origin":"Static Parser","id":"static-153","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Installation/Persistence","name":"Contains ability to load modules (API string)","description":"Found reference to API \"LoadLibraryExW\" (Indicator: \"LoadLibrary\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")\n Found reference to API \"LoadLibraryExA\" (Indicator: \"LoadLibrary\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1106","relevance":1,"id":"string-310","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Installation/Persistence","name":"Opens registry keys","description":"$27","origin":"Registry Access","mitre_attack_id":"T1012","relevance":1,"id":"registry-177","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Installation/Persistence","name":"Queries registry keys","description":"$28","origin":"Registry Access","mitre_attack_id":"T1012","relevance":1,"id":"registry-172","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Installation/Persistence","name":"Shows ability to use execution guardrails","description":"The analysis shows indicators which can be used as execution guardrails to ensure that payload only executes against intended targets/system. Matched sigs: Contains ability to delay execution by waiting for signal/timeout (API string)\n Matched sigs: Contains ability to retrieve the time elapsed since the system was started (API string)\n Matched sigs: Able to identify virtual environment by using user activity (API string)\n Matched sigs: Queries process mitigation policy via NtQueryInformationProcess\n Matched sigs: Contains ability to delay the execution of current thread\n Matched sigs: Contains ability to detect virtual environment (API)","origin":"Indicator Combinations","mitre_attack_id":"T1480","relevance":1,"id":"summary-29","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Installation/Persistence","name":"Touches files","description":"\"regsvr32.exe\" trying to touch file \"C:\\Windows\\System32\\WOW64LOG.DLL\"\n \"regsvr32.exe\" trying to touch file \"C:\\WINDOWS\\system32\\wow64log.dll\"\n \"regsvr32.exe\" trying to touch file \"C:\\Windows\\SysWOW64\\apphelp.dll\"\n \"regsvr32.exe\" trying to touch file \"C:\\WINDOWS\\SysWOW64\\apphelp.dll\"\n \"regsvr32.exe\" trying to touch file \"C:\\Windows\\SysWOW64\\regsvr32.exe\"\n \"regsvr32.exe\" trying to touch file \"C:\\Windows\\SysWOW64\\ntdll.dll\"\n \"regsvr32.exe\" trying to touch file \"C:\\Windows\\SysWOW64\\kernel32.dll\"\n \"regsvr32.exe\" trying to touch file \"C:\\Windows\\SysWOW64\\KernelBase.dll\"\n \"regsvr32.exe\" trying to touch file \"C:\\Windows\\apppatch\\sysmain.sdb\"\n \"regsvr32.exe\" trying to touch file \"C:\\Windows\\SysWOW64\\AcLayers.dll\"\n \"regsvr32.exe\" trying to touch file \"C:\\WINDOWS\\SysWOW64\\AcLayers.dll\"\n \"regsvr32.exe\" trying to touch file \"C:\\Windows\\SysWOW64\\mpr.dll\"","origin":"API Call","mitre_attack_id":"T1083","relevance":1,"id":"api-263","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Installation/Persistence","name":"Tries to access non-existent files (executable)","description":"\"regsvr32.exe\" trying to access non-existent file \"C:\\Windows\\System32\\WOW64LOG.DLL\"\n \"regsvr32.exe\" trying to access non-existent file \"C:\\WINDOWS\\system32\\wow64log.dll\"\n \"regsvr32.exe\" trying to access non-existent file \"C:\\Windows\\SysWOW64\\RPCSS.DLL\"\n \"regsvr32.exe\" trying to access non-existent file \"C:\\WINDOWS\\SysWOW64\\rpcss.dll\"","origin":"API Call","mitre_attack_id":"T1083","relevance":3,"id":"api-126","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Network Related","name":"Able to identify remote systems","description":"Found string \"ping it.\" (Indicator: \"ping \"; File: \"Korkuevi.VoiceSession.dll\")","origin":"File/Memory","mitre_attack_id":"T1018","relevance":7,"id":"string-417","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Network Related","name":"Found potential IP address in binary/memory","description":"\"0.0.0.0\"","origin":"File/Memory","mitre_attack_id":"T1071","id":"string-14","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Network Related","name":"Found potential URL in binary/memory","description":"Pattern match: \"http://www.w3.org/2001/xmlschema-instance\"","origin":"File/Memory","mitre_attack_id":"T1071","relevance":3,"id":"string-3","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Spyware/Information Retrieval","name":"Able to query registry keys (API string)","description":"Found registry query API: \"RegQueryValueExW\" in \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\"\n Found registry query API: \"RegOpenKeyExW\" in \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\"\n Found registry query API: \"\" in \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\"\n Found registry query API: \"\" in \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\"","origin":"File/Memory","mitre_attack_id":"T1012","relevance":1,"id":"string-229","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Spyware/Information Retrieval","name":"Calls an API typically used for taking snapshot of the specified processes","description":"\"regsvr32.exe\" called \"CreateToolhelp32Snapshot\" with parameters {\"dwFlags\": \"4\"\n \"th32ProcessID\": \"0\"}","origin":"API Call","mitre_attack_id":"T1057","relevance":3,"id":"api-103","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Spyware/Information Retrieval","name":"Contains ability to enumerate process and/or its information (API string)","description":"Found reference to API \"GetCurrentProcess\" (Indicator: \"GetCurrentProcess\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")\n Found reference to API \"GetCurrentProcessId\" (Indicator: \"GetCurrentProcess\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")\n Found reference to API \"GetModuleHandleW\" (Indicator: \"GetModuleHandle\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1057","relevance":1,"id":"string-85","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Spyware/Information Retrieval","name":"Contains ability to read files (API string)","description":"Found reference to API \"ReadFile\" (Indicator: \"ReadFile\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1083","id":"string-534","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Spyware/Information Retrieval","name":"Contains ability to retrieve a module handle (API string)","description":"Found reference to API \"GetModuleHandleW\" (Indicator: \"GetModuleHandle\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1082","relevance":1,"id":"string-427","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Spyware/Information Retrieval","name":"Contains ability to retrieve address of exported function from a DLL (API string)","description":"Found reference to API \"GetProcAddress\" (Indicator: \"GetProcAddress\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1106","relevance":1,"id":"string-317","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Spyware/Information Retrieval","name":"Contains ability to retrieve file and directory information (API string)","description":"Found reference to API \"GetSystemDirectoryW\" (Indicator: \"GetSystemDirectory\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1083","relevance":1,"id":"string-207","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Spyware/Information Retrieval","name":"Contains ability to retrieve the time elapsed since the system was started (API string)","description":"Found reference to API \"GetTickCount\" (Indicator: \"GetTickCount\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1497.003","relevance":1,"id":"string-205","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Spyware/Information Retrieval","name":"Found system command-related strings","description":"Found string \"SystemInfo\" (Indicator: \"systeminfo\"; File: \"Korkuevi.VoiceSession.dll\")\n Found string \"ping it.\" (Indicator: \"ping\"; File: \"Korkuevi.VoiceSession.dll\")","origin":"File/Memory","mitre_attack_id":"T1082","relevance":7,"id":"string-126","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"System Security","name":"Able to delete registry key/value (API string)","description":"Found registry deletion API: \"\" in \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\"\n Found registry deletion API: \"\" in \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\"","origin":"File/Memory","mitre_attack_id":"T1112","relevance":1,"id":"string-230","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"System Security","name":"Contains ability to access device drivers","description":"Found string \"NDOWS\\system32\\DriverStore\\FileRepository\" (Indicator: \"system32\\drivers\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")\n Found string \":\\WINDOWS\\system32\\DRIVERS\" (Indicator: \"system32\\drivers\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1543.003","relevance":1,"id":"string-474","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"System Security","name":"Contains ability to delete files/directories (API string)","description":"Found reference to API \"\" (Indicator: \"DeleteFile\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")\n Found reference to API \"\" (Indicator: \"DeleteFile\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1070.004","relevance":1,"id":"string-308","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"System Security","name":"Contains ability to modify file attributes (API string)","description":"Found reference to API \"\" (Indicator: \"SetFileAttributes\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")\n Found reference to API \"\" (Indicator: \"SetFileAttributes\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1222","relevance":1,"id":"string-426","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"System Security","name":"Contains ability to obtains specified information about the security of a file or directory (API string)","description":"Found reference to API \"\" (Indicator: \"AccessCheck\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")\n Found reference to API \"\" (Indicator: \"SetFileSecurityW\"; Source: \"00000000-00001296.00000000.93586.02540000.00000004.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1134.001","relevance":1,"id":"string-114","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"System Security","name":"Contains ability to terminate a process (API string)","description":"Found reference to API \"TerminateProcess\" (Indicator: \"TerminateProcess\"; Source: \"00000000-00001296.00000000.93586.00025000.00000002.mdmp\")","origin":"File/Memory","mitre_attack_id":"T1489","relevance":1,"id":"string-316","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"System Security","name":"Opens the Kernel Security Device Driver (KsecDD) of Windows","description":"\"regsvr32.exe\" opened \"\\Device\\KsecDD\"","origin":"API Call","mitre_attack_id":"T1068","relevance":10,"id":"api-37","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Unusual Characteristics","name":"Matched Compiler/Packer signature","description":"\"Korkuevi.VoiceSession.dll\" was detected as \"Microsoft Visual C# v7.0 / Basic .NET\"","origin":"Static Parser","mitre_attack_id":"T1027.002","relevance":10,"id":"static-18","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"informative","category":"Unusual Characteristics","name":"Reads the windows installation language","description":"\"regsvr32.exe\" (Path: \"HKLM\\SYSTEM\\CONTROLSET001\\CONTROL\\NLS\\LANGUAGE\"; Key: \"INSTALLLANGUAGEFALLBACK\")","origin":"Registry Access","mitre_attack_id":"T1614.001","relevance":2,"id":"registry-26","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"suspicious","category":"Environment Awareness","name":"Attempts to retrieve the system language code","description":"\"regsvr32.exe\" called \"NtQueryInstallUILanguage\" with parameters {\"LanguageId\": \"1033\"}","origin":"API Call","mitre_attack_id":"T1614.001","relevance":10,"id":"api-307","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"suspicious","category":"Environment Awareness","name":"Contains ability to retrieve a module handle","description":"GetModuleHandleW@KERNELBASE.DLL at 00000000-00001296-34362-20-00021F2B\n GetModuleHandleW@KERNELBASE.DLL at 00000000-00001296-34362-24-00021C84\n GetModuleHandleW@KERNELBASE.DLL at 00000000-00001296-34362-35-000234DE","origin":"Hybrid Analysis Technology","mitre_attack_id":"T1082","relevance":5,"id":"stream-121","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"suspicious","category":"Environment Awareness","name":"Queries process mitigation policy via NtQueryInformationProcess","description":"\"C:\\Windows\\SysWOW64\\regsvr32.exe\" queried ProcessMitigationPolicy","origin":"API Call","mitre_attack_id":"T1497.001","relevance":1,"id":"api-323","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"suspicious","category":"Installation/Persistence","name":"Monitors specific registry key for changes","description":"\"regsvr32.exe\" monitors \"HKLM\\SOFTWARE\\Microsoft\\Ole\" (Filter: 268435457; Subtree: 0)\n \"regsvr32.exe\" monitors \"\\REGISTRY\\USER\\S-1-5-21-735145574-3570218355-1207367261-1001_Classes\\Local Settings\\Software\\Microsoft\" (Filter: 268435457; Subtree: 1)\n \"regsvr32.exe\" monitors \"HKLM\\SYSTEM\\ControlSet001\\Control\\NetworkProvider\\HwOrder\" (Filter: 4; Subtree: 0)\n \"regsvr32.exe\" monitors \"HKLM\\SYSTEM\\ControlSet001\\Control\\NetworkProvider\\ProviderOrder\" (Filter: 4; Subtree: 0)","origin":"API Call","mitre_attack_id":"T1012","relevance":1,"id":"api-12","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"suspicious","category":"Spyware/Information Retrieval","name":"Contains ability to retrieve the command-line string for the current process","description":"GetCommandLineW@KERNELBASE.DLL at 00000000-00001296-34362-27-00021962","origin":"Hybrid Analysis Technology","mitre_attack_id":"T1106","relevance":3,"id":"stream-118","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"suspicious","category":"System Security","name":"Contains ability to terminate a process","description":"TerminateProcess@KERNEL32.DLL at 00000000-00001296-34362-16-00023210","origin":"Hybrid Analysis Technology","mitre_attack_id":"T1489","relevance":1,"id":"stream-88","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"suspicious","category":"System Security","name":"Hooks API calls","description":"\"Wow64Transition@NTDLL.DLL\" in \"regsvr32.exe\"","origin":"Hook Detection","mitre_attack_id":"T1056.004","relevance":10,"id":"hooks-0","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"suspicious","category":"Unusual Characteristics","name":"Contains native function calls","description":"NtSetInformationProcess@NTDLL.DLL at 00000000-00001296-34362-20-00021F2B","origin":"Hybrid Analysis Technology","mitre_attack_id":"T1106","relevance":5,"id":"stream-22","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"level":"suspicious","category":"Unusual Characteristics","name":"Timestamp in PE header is very old or in the future","description":"\"Korkuevi.VoiceSession.dll\" claims program is from Sun Apr 29 04:43:00 2085","origin":"Static Parser","mitre_attack_id":"T1027","relevance":10,"id":"static-3","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]}],"intel_graph":{"map":{},"chains":[]}},"activity":{"stats":{"process_count":2,"spawned_processes_count":2,"injected_processes_count":0,"script_calls_count":0,"mutex_created_count":4,"imported_dlls_count":47,"dropped_files_count":0,"extracted_files_count":0,"files_written_count":1,"files_deleted_count":0,"registry_keys_created_count":0,"registry_keys_modified_count":0,"registry_keys_deleted_count":0,"registry_keys_opened_count":0,"registry_keys_queried_count":0,"registry_operations_count":0,"embedded_ips_count":0,"embedded_domains_count":0,"embedded_urls_count":0,"contacted_hosts_count":0,"dns_resolutions_count":0,"contacted_urls_count":0,"http_requests_count":0},"behavior_tags":null,"sample_flags":["Multi-Process"],"sandbox_reports":[{"id":"6ac51b72c232be755f0f5e5d","environment_id":160,"environment_description":"Windows 10 64 bit","state":"SUCCESS","verdict":"no specific threat","submit_name":"Korkuevi.VoiceSession.dll","analysis_start_time":"2026-10-06T16:01:55+00:00","indicators_count":{"informative":80,"suspicious":9,"malicious":0},"tags":["Multi-Process"],"is_in_unified_schema":true}],"network_activity":{"contacted_hosts":null,"dns_resolutions":null,"http_requests":null},"process_activity":{"sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}],"processes":[{"pid":7764,"ppid":0,"name":"","command_line":"","normalized_path":"","uid":"00000000-00007764"},{"pid":1296,"ppid":0,"name":"regsvr32.exe","command_line":"/s \"C:\\Korkuevi.VoiceSession.dll\"","sha256":"c960830805837d103f3a0727f94b62cdc7d763d66c1598f86aabf9b705602344","normalized_path":"%WINDIR%\\SysWOW64\\regsvr32.exe","uid":"00000000-00001296","icon":"$29"}],"all_imported_dlls":["wow64.dll","ucrtbase.dll","cryptbase.dll","sechost.dll","sfc.dll","imm32.dll","ole32.dll","uxtheme.dll","sspicli.dll","VxSSL32.dll","msvcp140.dll","Korkuevi.VoiceSession.dll","win32u.dll","windows.storage.dll","oleaut32.dll","fltLib.dll","kernel32.dll","SHCore.dll","advapi32.dll","mpr.dll","vcruntime140.dll","cryptsp.dll","shlwapi.dll","wow64win.dll","apphelp.dll","AcLayers.dll","profapi.dll","setupapi.dll","sfc_os.dll","user32.dll","shell32.dll","rpcrt4.dll","KernelBase.dll","msvcrt.dll","gdi32full.dll","cfgmgr32.dll","powrprof.dll","bcrypt.dll","ws2_32.dll","kernel.appcore.dll","ntdll.dll","wow64cpu.dll","gdi32.dll","msvcp_win.dll","bcryptprimitives.dll","combase.dll","IPHLPAPI.DLL"]},"file_activity":{"dropped_files":null,"extracted_files":null,"files_written":[{"path":"\\Global??\\FltMgrMsg","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]}],"files_deleted":null},"registry_activity":{"keys_created":null,"keys_modified":null,"keys_deleted":null},"mutex_activity":{"mutex_created":[{"name":"\\Sessions\\1\\BaseNamedObjects\\SM0:1296:168:WilStaging_02","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"name":"\\Sessions\\1\\BaseNamedObjects\\Local\\SM0:1296:168:WilStaging_02","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"name":"Local\\SM0:1296:168:WilStaging_02","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]},{"name":"SM0:1296:168:WilStaging_02","sources":[{"report_type":"sandbox","report_id":"6ac51b72c232be755f0f5e5d"}]}]}},"report_ids":{"sandbox_job_ids":["6ac51b72c232be755f0f5e5d"]}}}]]}] 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Threat score 0/100. 0/25 AV engines flagged this file. 0 malicious and 9 suspicious behavioral indicators. View antivirus detections, behavioral indicators, and sandbox reports."}],["$","meta","2",{"name":"robots","content":"index, follow"}],["$","link","3",{"rel":"canonical","href":"https://www.hybrid-analysis.com/sample/5a2439536e5606c38b43d1f611dfb18e83ec1396ba80a75422873294d08c6275"}],["$","meta","4",{"property":"og:title","content":"Sample 5a2439536e56… — Score 0/100 — Hybrid Analysis | Hybrid Analysis"}],["$","meta","5",{"property":"og:description","content":"Threat analysis for sample 5a2439536e56…. Threat score 0/100. 0/25 AV engines flagged this file. 0 malicious and 9 suspicious behavioral indicators. 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