34:"SampleDetailWrapper" 35:I[7638,["$1","$2","$3","$4","$5","$8","$9","$a","$b"],"$34"] 37:I[27201,["$1","$2","$3","$4","$5"],"IconMark"] 33:T4a7,{"@context":"https://schema.org","@type":"TechArticle","headline":"Suspicious Trojan.Downloader.oa Sample 4aa54a705994… — Score 70/100 — Hybrid Analysis","description":"Suspicious verdict for sample 4aa54a705994…. Malware family: Trojan.Downloader.oa. Threat score 70/100. 1/25 AV engines flagged this file. 0 malicious and 0 suspicious behavioral indicators. View antivirus detections, behavioral indicators, and sandbox reports.","url":"/sample/4aa54a705994078096e3d40fd4218fb6c0e31e186db1e356c44a86cdb5d43df0","keywords":["Suspicious","Trojan.Downloader.oa","malware analysis","sandbox report","threat intelligence","4aa54a705994078096e3d40fd4218fb6c0e31e186db1e356c44a86cdb5d43df0"],"about":{"@type":"SoftwareApplication","name":"squirrel.exe","applicationCategory":["peexe","assembly","executable"],"identifier":"4aa54a705994078096e3d40fd4218fb6c0e31e186db1e356c44a86cdb5d43df0","additionalType":"Suspicious sample"},"threatScore":70,"malwareFamily":"Trojan.Downloader.oa","antivirusDetections":{"malicious":1,"total":25},"behavioralIndicators":{"malicious":0,"suspicious":0},"publisher":{"@type":"Organization","name":"Hybrid Analysis","url":"https://www.hybrid-analysis.com"}}36:Tbe6,Found reference to API "System.Runtime.InteropServices" (Indicator: "time"; Source: "sample.bin"), Found reference to API " numStats=" (Indicator: "stat"; Source: "sample.bin"), Found reference to API "Info_OverwriteExistingFile" (Indicator: "tee"; Source: "sample.bin"), Found reference to API "Info_OverwriteExistingFile" (Indicator: "write"; Source: "sample.bin"), Found reference to API "RenderOpen" (Indicator: "open"; Source: "sample.bin"), Found reference to API "No stream provided when requested by MultiVolumeRarReader" (Indicator: "read"; Source: "sample.bin"), Found reference to API "Log_ProjectAlreadyReferencesPackage" (Indicator: "read"; Source: "sample.bin"), Found reference to API "Failed to write package files to temp dir: " (Indicator: "write"; Source: "sample.bin"), Found reference to API "get_IsReadOnly" (Indicator: "read"; Source: "sample.bin"), Found reference to API "Microsoft.IdentityModel.SecurityTokenService.KeyTypes" (Indicator: "security"; Source: "sample.bin"), Found reference to API ""{0}" cannot be called on a NullSettings. This may be caused on account of insufficient permissions to read or write to "%AppData%\NuGet\NuGet.config"." (Indicator: "read"; Source: "sample.bin"), Found reference to API ""{0}" cannot be called on a NullSettings. This may be caused on account of insufficient permissions to read or write to "%AppData%\NuGet\NuGet.config"." (Indicator: "write"; Source: "sample.bin"), Found reference to API "System.Collections.ICollection.IsSynchronized" (Indicator: "sync"; Source: "sample.bin"), Found reference to API "Install path {0} already exists, burning it to the ground" (Indicator: "read"; Source: "sample.bin"), Found reference to API "ErrorReadingPackage" (Indicator: "read"; Source: "sample.bin"), Found reference to API "System.Collections.ICollection.get_SyncRoot" (Indicator: "sync"; Source: "sample.bin"), Found reference to API "AsyncStateMachineAttribute" (Indicator: "stat"; Source: "sample.bin"), Found reference to API "AsyncStateMachineAttribute" (Indicator: "sync"; Source: "sample.bin"), Found reference to API "$Rename it to a valid framework name." (Indicator: "rename"; Source: "sample.bin"), Found reference to API "System.Threading" (Indicator: "read"; Source: "sample.bin"), Found reference to API "!'{0}' already exists. Skipping..." (Indicator: "read"; Source: "sample.bin"), Found reference to API "get_KeyTime" (Indicator: "time"; Source: "sample.bin"), Found reference to API "././@LongLink" (Indicator: "link"; Source: "sample.bin"), Found reference to API "TimeSeekOrigin" (Indicator: "time"; Source: "sample.bin"), Found reference to API "TimeSeekOrigin" (Indicator: "times"; Source: "sample.bin"), Found reference to API "i__Field" (Indicator: "time"; Source: "sample.bin"), Found reference to API "Xamarin.PlayStationVita" (Indicator: "stat"; Source: "sample.bin"), Found reference to API "IAsyncResult" (Indicator: "sync"; Source: "sample.bin"), Found reference to API "Error_PackageAlreadyExists" (Indicator: "read"; Source: "sample.bin")30:["$","$Lc",null,{"children":[["$","script",null,{"type":"application/ld+json","dangerouslySetInnerHTML":{"__html":"$33"}}],["$","$L35",null,{"initialData":{"schema_version":"1.0.17","sha256":"4aa54a705994078096e3d40fd4218fb6c0e31e186db1e356c44a86cdb5d43df0","overall_status":"SUCCESS","all_analysis_status":{"qsp_status":"SUCCESS","sandbox_status":"NOT_AVAILABLE","fastscan_status":"SUCCESS"},"verdict":"suspicious","threat_score":70,"unified_at_epoch_ms":1794451642820,"unified_at":"2026-11-12T02:47:22.820Z","metadata":{"hashes":{"sha256":"4aa54a705994078096e3d40fd4218fb6c0e31e186db1e356c44a86cdb5d43df0","sha1":"48b046cbb2d7c54df198508f3d4241222c2a8706","md5":"276ba0318819579bd79ff36407a37bbb"},"file_info":{"file_name":"squirrel.exe","file_type":["peexe","assembly","executable"],"file_type_id":".NET exe","file_size":2162864,"is_container_sample":false,"url_analysis":false},"submissions":{"first_seen":1794408001000,"last_seen":1794451635000,"last_multi_scan":1794451635000}},"detections":{"summary":{"verdict":"suspicious","score":70,"tags":null},"stats":{"av":{"malicious_count":1,"suspicious_count":0,"total_engines":25},"attributions":{"malware_families_count":1,"threat_actors_count":0,"campaigns_count":0,"threat_types_count":0,"cves_count":0},"mitre_attacks":{"total":17},"sandbox_signatures":{"informative_count":26,"suspicious_count":0,"malicious_count":0,"total":26},"rule_matches":{"yara_count":0,"sigma_count":0,"suricata_count":0}},"av_detections":{"engines":{"ahnlab":{"name":"AhnLab","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"antiy":{"name":"Antiy","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"aurora":{"name":"Aurora","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"avira":{"name":"Avira","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"bitdefender":{"name":"Bitdefender","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"clamav":{"name":"ClamAV","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"cmc":{"name":"CMC","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"crowdstrike":{"name":"CrowdStrike","success":true,"verdict":"undetected","status":"clean","progress":100,"data_source":"CrowdStrike","permalink":"https://www.crowdstrike.com/en-us/platform/endpoint-security/"},"emsisoft":{"name":"Emsisoft","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"eset":{"name":"ESET","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"filseclab":{"name":"Filseclab","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"gridinsoft":{"name":"Gridinsoft","success":true,"verdict":"malicious","threat_name":"Trojan.Win32.Downloader.oa!s1","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"huorong":{"name":"Huorong","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"k7":{"name":"K7","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"lionic":{"name":"Lionic","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"netgate":{"name":"NETGATE","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"rocketcyber":{"name":"RocketCyber","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"sentinelone":{"name":"SentinelOne","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"sophos":{"name":"Sophos","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"tachyon":{"name":"TACHYON","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"trellix":{"name":"Trellix","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"varist":{"name":"Varist","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"viritexplorer":{"name":"Vir.IT eXplorer","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"xcitium":{"name":"Xcitium","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"},"zillya":{"name":"Zillya!","success":true,"verdict":"undetected","progress":100,"data_source":"MetaDefender","permalink":"https://www.opswat.com/products/metadefender?utm_campaign=Technology%+Partners&utm_source=HA"}}},"rule_matches":{},"attributions":{"malware_families":[{"value":"Trojan.Downloader.oa","sources":[{"report_type":"quickscan","report_id":""}]}]},"mitre_attacks":[{"tactic":"Credential Access","technique":"Steal or Forge Kerberos Tickets","attack_id":"T1558","attack_id_wiki":"https://attack.mitre.org/techniques/T1558","identifiers":[{"type":"informative","value":"Able to access credential file using Kerberos"}],"sources":[{"report_type":"qsp","report_id":""}]},{"tactic":"Stealth","technique":"Obfuscated Files or Information","attack_id":"T1027","attack_id_wiki":"https://attack.mitre.org/techniques/T1027","identifiers":[{"type":"informative","value":"YARA signature match - RSA algorithm (keys)"},{"type":"informative","value":"Contains ability to use Cryptographic classes"},{"type":"informative","value":"YARA signature match - AES encryption"},{"type":"informative","value":"Contains CRYPTO related strings"}],"sources":[{"report_type":"qsp","report_id":""}]},{"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 URL in binary/memory"},{"type":"informative","value":"Found potential IP address in binary/memory"},{"type":"informative","value":"Contains references to network communication API (string)"}],"sources":[{"report_type":"qsp","report_id":""}]},{"tactic":"Stealth","technique":"Hidden Window","attack_id":"T1564.003","attack_id_wiki":"https://attack.mitre.org/techniques/T1564/003","identifiers":[{"type":"informative","value":"Contains ability to show a graphical window (API string)"}],"sources":[{"report_type":"qsp","report_id":""}]},{"tactic":"Execution","technique":"Native API","attack_id":"T1106","attack_id_wiki":"https://attack.mitre.org/techniques/T1106","identifiers":[{"type":"informative","value":"Contains native function calls (syscalls strings)"},{"type":"informative","value":"Contains ability to execute Windows APIs"}],"sources":[{"report_type":"qsp","report_id":""}]},{"tactic":"Stealth","technique":"Reflective Code Loading","attack_id":"T1620","attack_id_wiki":"https://attack.mitre.org/techniques/T1620","identifiers":[{"type":"informative","value":"Can load assembly that contains the code that is currently executing (Dotnet)"}],"sources":[{"report_type":"qsp","report_id":""}]},{"tactic":"Credential Access","technique":"Keylogging","attack_id":"T1056.001","attack_id_wiki":"https://attack.mitre.org/techniques/T1056/001","identifiers":[{"type":"informative","value":"Found strings related to keylogger"}],"sources":[{"report_type":"qsp","report_id":""}]},{"tactic":"Collection","technique":"Local Data Staging","attack_id":"T1074.001","attack_id_wiki":"https://attack.mitre.org/techniques/T1074/001","identifiers":[{"type":"informative","value":"Contains ability to create directories (API string)"}],"sources":[{"report_type":"qsp","report_id":""}]},{"tactic":"Stealth","technique":"Hide Artifacts","attack_id":"T1564","attack_id_wiki":"https://attack.mitre.org/techniques/T1564","identifiers":[{"type":"informative","value":"Found virtual disk drive like strings"}],"sources":[{"report_type":"qsp","report_id":""}]},{"tactic":"Discovery","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 using user register activity"}],"sources":[{"report_type":"qsp","report_id":""}]},{"tactic":"Command and Control","technique":"Encrypted Channel","attack_id":"T1573","attack_id_wiki":"https://attack.mitre.org/techniques/T1573","identifiers":[{"type":"informative","value":"Possibly tries to communicate over SSL connection (HTTPS)"}],"sources":[{"report_type":"qsp","report_id":""}]},{"tactic":"Discovery","technique":"System Information Discovery","attack_id":"T1082","attack_id_wiki":"https://attack.mitre.org/techniques/T1082","identifiers":[{"type":"informative","value":"Contains ability to retrieve environment variable settings"}],"sources":[{"report_type":"qsp","report_id":""}]},{"tactic":"Discovery","technique":"Query Registry","attack_id":"T1012","attack_id_wiki":"https://attack.mitre.org/techniques/T1012","identifiers":[{"type":"informative","value":"Contains registry location strings"},{"type":"informative","value":"Found registry key string for installed applications"}],"sources":[{"report_type":"qsp","report_id":""}]},{"tactic":"Discovery","technique":"File and Directory Discovery","attack_id":"T1083","attack_id_wiki":"https://attack.mitre.org/techniques/T1083","identifiers":[{"type":"informative","value":"Contains ability to retrieve file and directory information (API string)"}],"sources":[{"report_type":"qsp","report_id":""}]},{"tactic":"Reconnaissance","technique":"Gather Victim Network Information","attack_id":"T1590","attack_id_wiki":"https://attack.mitre.org/techniques/T1590","identifiers":[{"type":"informative","value":"Able to access user sensitive domain"}],"sources":[{"report_type":"qsp","report_id":""}]},{"tactic":"Exfiltration","technique":"Exfiltration Over C2 Channel","attack_id":"T1041","attack_id_wiki":"https://attack.mitre.org/techniques/T1041","identifiers":[{"type":"informative","value":"Contains ability to upload file/data"}],"sources":[{"report_type":"qsp","report_id":""}]},{"tactic":"Credential Access","technique":"Credentials from Password Stores","attack_id":"T1555","attack_id_wiki":"https://attack.mitre.org/techniques/T1555","identifiers":[{"type":"informative","value":"Contains string like password/secret"}],"sources":[{"report_type":"qsp","report_id":""}]}],"sandbox_signatures":[{"level":"informative","category":"Pattern Matching","name":"YARA signature match - AES encryption","description":"YARA signature for AES encryption matched on file \"sample.bin\"","origin":"Static Analysis","mitre_attack_id":"T1027","id":"yara-103","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"Pattern Matching","name":"YARA signature match - RSA algorithm (keys)","description":"YARA signature for RSA public and private key matched on file \"sample.bin\"","origin":"Static Analysis","mitre_attack_id":"T1027","id":"yara-62","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"General","name":"Contains native function calls (syscalls strings)","description":"$36","origin":"sample.bin","mitre_attack_id":"T1106","id":"string-5000","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"General","name":"Found well known domains (string)","description":"\"Repo URL must be to the root URL of the repo e.g. https://github.com/myuser/myrepo\" (Indicator: \"github.com\"), \"https://api.github.com/\" (Indicator: \"github.com\"), \"github.com\" (Indicator: \"github.com\")","origin":"sample.bin","id":"string-135","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"General","name":"Can load assembly that contains the code that is currently executing (Dotnet)","description":"Found string \"GetExecutingAssembly\" (Indicator: \"GetExecutingAssembly\"; Source: \"sample.bin\")","origin":"sample.bin","mitre_attack_id":"T1620","id":"string-615","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"General","name":"Contains ability to show a graphical window (API string)","description":"Found reference to API \"b__1_1\" (Indicator: \"ShowWindow\"; Source: \"sample.bin\"), Found reference to API \"ShowWindow\" (Indicator: \"ShowWindow\"; Source: \"sample.bin\"), Found reference to API \"b__0\" (Indicator: \"ShowWindow\"; Source: \"sample.bin\"), Found reference to API \"b__3\" (Indicator: \"ShowWindow\"; Source: \"sample.bin\"), Found reference to API \"b__4\" (Indicator: \"ShowWindow\"; Source: \"sample.bin\"), Found reference to API \"b__2\" (Indicator: \"ShowWindow\"; Source: \"sample.bin\"), Found reference to API \"b__5\" (Indicator: \"ShowWindow\"; Source: \"sample.bin\"), Found reference to API \"b__6\" (Indicator: \"ShowWindow\"; Source: \"sample.bin\")","origin":"sample.bin","mitre_attack_id":"T1564.003","id":"string-208","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"General","name":"Contains ability to create directories (API string)","description":"Found reference to API \"CreateDirectory\" (Indicator: \"CreateDirectory\"; Source: \"sample.bin\")","origin":"sample.bin","mitre_attack_id":"T1074.001","id":"string-423","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"General","name":"Contains ability to execute Windows APIs","description":"Found reference to API (Indicator: \"CreateDirectory\"; Source: \"sample.bin\"), Found reference to API (Indicator: \"ShowWindow\"; Source: \"sample.bin\"), Found reference to API (Indicator: \"GetTempPath\"; Source: \"sample.bin\"), Found reference to API (Indicator: \"GetTempFileName\"; Source: \"sample.bin\")","origin":"sample.bin","mitre_attack_id":"T1106","id":"string-101","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"General","name":"Contains registry location strings","description":"\"SOFTWARE\\Microsoft\\NET Framework Setup\\NDP\\v4\\Full\\\" in Source: sample.bin, \"HKEY_CURRENT_USER\\Software\\Classes\\Local Settings\\Software\\Microsoft\\Windows\\CurrentVersion\\TrayNotify\" in Source: sample.bin, \"Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\" in Source: sample.bin","origin":"sample.bin","mitre_attack_id":"T1012","id":"string-120","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"General","name":"Contains PDB pathways","description":"\".pdb\"","origin":"sample.bin","id":"string-7","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"Anti-Detection/Stealthiness","name":"Contains ability to use Cryptographic classes","description":"Found reference to \"SHA512\" (Indicator: \"SHA512\"; Source: \"sample.bin\"), Found reference to \"UnsupportedHashAlgorithm\" (Indicator: \"HashAlgorithm\"; Source: \"sample.bin\"), Found reference to \"UHash algorithm '{0}' is unsupported. Supported algorithms include: SHA512 and SHA256.\" (Indicator: \"SHA512\"; Source: \"sample.bin\")","origin":"sample.bin","mitre_attack_id":"T1027","id":"string-138","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"Anti-Detection/Stealthiness","name":"Found virtual disk drive like strings","description":"Found string - ^(?\\d+(\\s*\\.\\s*\\d+){0,3})(?-[a-z][0-9a-z-]*)?$; Source: \"sample.bin\"), Found string - ^(?\\d+(\\.\\d+){2})(?-[a-z][0-9a-z-]*)?$; Source: \"sample.bin\"), Found string - \\d+(\\.\\d+){0,3}(-[A-Za-z][0-9A-Za-z-]*)?$; Source: \"sample.bin\")","origin":"sample.bin","mitre_attack_id":"T1564","id":"string-145","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"Environment Awareness","name":"Able to access user sensitive domain","description":"Found string \"Repo URL must be to the root URL of the repo e.g. https://github.com/myuser/myrepo\" (Indicator: \"github.com\"; Source: \"sample.bin\"), Found string \"https://api.github.com/\" (Indicator: \"github.com\"; Source: \"sample.bin\"), Found string \"github.com\" (Indicator: \"github.com\"; Source: \"sample.bin\")","origin":"sample.bin","mitre_attack_id":"T1590","id":"string-761","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"Environment Awareness","name":"Contains ability to retrieve environment variable settings","description":"Found string \"Set {0} attributes\" (Indicator: \"set \"; Source: \"sample.bin\"), Found string \"Set '{0}' attribute\" (Indicator: \"set \"; Source: \"sample.bin\"), Found string \"Set the required .NET framework version, e.g. net461\" (Indicator: \"set \"; Source: \"sample.bin\")","origin":"sample.bin","mitre_attack_id":"T1082","id":"string-326","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"Environment Awareness","name":"Able to identify virtual environment using user register activity","description":"Found string \"Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\" (Indicator: \"software\\microsoft\\windows\\currentversion\\uninstall\"; Source: \"sample.bin\")","origin":"sample.bin","mitre_attack_id":"T1497.002","id":"string-663","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"Network Related","name":"Possibly tries to communicate over SSL connection (HTTPS)","description":"Found HTTPS url \"https://github.com\", Found HTTPS url \"https://api.github.com\"","origin":"sample.bin","mitre_attack_id":"T1573","id":"string-98","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"Network Related","name":"Found potential URL in binary/memory","description":"Pattern match: \"https://github.com/myuser/myrepo\", Pattern match: \"http://go.microsoft.com/fwlink/?linkid=213942\", Pattern match: \"http://schemas.microsoft.com/packaging/2012/06/nuspec.xsd\", Pattern match: \"https://api.github.com/\", Heuristic match: \"github.com\", Heuristic match: \"asp.net\", Pattern match: \"http://go.microsoft.com/fwlink/?linkid=322105\", Pattern match: \"http://schemas.microsoft.com/xml-document-transform\", Pattern match: \"http://www.w3.org/2001/xmlschema\", Heuristic match: \"microsoft.web.xmltransform.sr\", Pattern match: \"http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd\", Heuristic match: \"\n*.sj\", Heuristic match: \"\n*.su\", Pattern match: \"http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd\"","origin":"sample.bin","mitre_attack_id":"T1071","id":"string-3","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"Network Related","name":"Contains ability to upload file/data","description":"Found string \"--{0}\nContent-Disposition: form-data; name=\"{1}\"; filename=\"{2}\"\nContent-Type: {3}\n\n\"; Source: \"sample.bin\")","origin":"sample.bin","mitre_attack_id":"T1041","id":"string-511","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"Network Related","name":"Found potential IP address in binary/memory","description":"\"2.0.1.1\", \"2.0.0.0\", Potential IP \"0.0.0.0\" found in string \"0.0.0.0-\"","origin":"sample.bin","mitre_attack_id":"T1071","id":"string-14","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"Network Related","name":"Contains references to network communication API (string)","description":"Found reference to API \"Could not connect to the feed specified at '{0}'. Please verify that the package source (located in the Package Manager Settings) is valid and ensure your network connectivity.\" (Indicator: \" connect \"; Source: \"sample.bin\")","origin":"sample.bin","mitre_attack_id":"T1071","id":"string-899","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"Spyware/Information Retrieval","name":"Found strings related to keylogger","description":"Found string \"5__5\" (Indicator: \"\"; Source: \"sample.bin\")","origin":"sample.bin","mitre_attack_id":"T1056.001","id":"string-556","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"Spyware/Information Retrieval","name":"Contains CRYPTO related strings","description":"Found string \"GZipStream\" (Indicator: \"GzipStream\"; Source: \"sample.bin\"), Found string \" RSA2.\" (Indicator: \"rsa2\"; Source: \"sample.bin\"), Found string \"AES decoder does not support padding.\" (Indicator: \"aes\"; Source: \"sample.bin\"), Found string \"ZipFile\" (Indicator: \"zipfile\"; Source: \"sample.bin\")","origin":"sample.bin","mitre_attack_id":"T1027","id":"string-57","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"Spyware/Information Retrieval","name":"Contains string like password/secret","description":"Found string \"http_proxy.password\" (Indicator: \"password\"; Source: \"sample.bin\"), Found string \"No password supplied for encrypted zip.\" (Indicator: \"password\"; Source: \"sample.bin\"), Found string \"The password did not match.\" (Indicator: \"password\"; Source: \"sample.bin\")","origin":"sample.bin","mitre_attack_id":"T1555","id":"string-475","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"Spyware/Information Retrieval","name":"Contains ability to retrieve file and directory information (API string)","description":"Found reference to API \"GetTempPath\" (Indicator: \"GetTempPath\"; Source: \"sample.bin\"), Found reference to API \"GetTempFileName\" (Indicator: \"GetTempFileName\"; Source: \"sample.bin\")","origin":"sample.bin","mitre_attack_id":"T1083","id":"string-207","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"Spyware/Information Retrieval","name":"Able to access credential file using Kerberos","description":"Found string \"Kerberos\" (Indicator: \"kerberos\"; Source: \"sample.bin\")","origin":"sample.bin","mitre_attack_id":"T1558","id":"string-868","sources":[{"report_type":"qsp","report_id":""}]},{"level":"informative","category":"Spyware/Information Retrieval","name":"Found registry key string for installed applications","description":"\"Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\" (Indicator: \"microsoft\\windows\\currentversion\\uninstall\") in Source: sample.bin","origin":"sample.bin","mitre_attack_id":"T1012","id":"string-96","sources":[{"report_type":"qsp","report_id":""}]}],"intel_graph":{"map":{"File:1a041b100f9ae8980e76848ff434982fc5404f00044444b8ccbefac095699015":{"type":"File","value":"1a041b100f9ae8980e76848ff434982fc5404f00044444b8ccbefac095699015","filetype":"DER Encoded PKCS#7 Signed Data","filetype_short":"PKCS7","mime_type":"application/octet-stream"},"File:4aa54a705994078096e3d40fd4218fb6c0e31e186db1e356c44a86cdb5d43df0":{"type":"File","value":"4aa54a705994078096e3d40fd4218fb6c0e31e186db1e356c44a86cdb5d43df0","verdict":{"verdict":"suspicious","verdict_source":"static file analysis engine","reasons":["Associated with known suspicious activity"]},"filetype":"PE32 executable for MS Windows 4.00 (GUI), Intel i386 Mono/.Net assembly, 3 sections","filetype_short":"PE32"}},"chains":[{"id":"1570268731041670012","root":"File:4aa54a705994078096e3d40fd4218fb6c0e31e186db1e356c44a86cdb5d43df0","edges":[],"verdict":{"verdict":"suspicious","verdict_source":"static file analysis engine","reasons":["Associated with known suspicious activity"]}},{"id":"1570268725046987944","root":"File:4aa54a705994078096e3d40fd4218fb6c0e31e186db1e356c44a86cdb5d43df0","edges":[{"edge_kind":"extracted_from_archive","from_key":"File:4aa54a705994078096e3d40fd4218fb6c0e31e186db1e356c44a86cdb5d43df0","to_key":"File:1a041b100f9ae8980e76848ff434982fc5404f00044444b8ccbefac095699015"}],"verdict":{"verdict":"unknown"}},{"id":"sandbox_files","root":"File:4aa54a705994078096e3d40fd4218fb6c0e31e186db1e356c44a86cdb5d43df0","edges":[{"edge_kind":"extracted","from_key":"File:4aa54a705994078096e3d40fd4218fb6c0e31e186db1e356c44a86cdb5d43df0","to_key":"File:1a041b100f9ae8980e76848ff434982fc5404f00044444b8ccbefac095699015"}],"verdict":{"verdict":"unknown","verdict_source":"sandbox"}}]}},"activity":{"stats":{"process_count":0,"spawned_processes_count":0,"injected_processes_count":0,"script_calls_count":0,"mutex_created_count":0,"imported_dlls_count":0,"dropped_files_count":0,"extracted_files_count":1,"files_written_count":0,"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,"network_activity":{"contacted_hosts":null,"dns_resolutions":null,"http_requests":null},"process_activity":{"sources":null,"processes":null,"all_imported_dlls":null},"file_activity":{"dropped_files":[],"extracted_files":[{"name":"1a041b100f9ae8980e76848ff434982fc5404f00044444b8ccbefac095699015","sha256":"1a041b100f9ae8980e76848ff434982fc5404f00044444b8ccbefac095699015","verdict":"undetected","sources":[{"report_type":"qsp","report_id":""}]}],"files_written":null,"files_deleted":null},"registry_activity":{"keys_created":null,"keys_modified":null,"keys_deleted":null},"mutex_activity":{"mutex_created":null}},"report_ids":{}}}]]}] 2c:[["$","title","0",{"children":"Suspicious Trojan.Downloader.oa Sample 4aa54a705994… — Score 70/100 — Hybrid Analysis | Hybrid Analysis"}],["$","meta","1",{"name":"description","content":"Suspicious verdict for sample 4aa54a705994…. Malware family: Trojan.Downloader.oa. Threat score 70/100. 1/25 AV engines flagged this file. 0 malicious and 0 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/4aa54a705994078096e3d40fd4218fb6c0e31e186db1e356c44a86cdb5d43df0"}],["$","meta","4",{"property":"og:title","content":"Suspicious Trojan.Downloader.oa Sample 4aa54a705994… — Score 70/100 — Hybrid Analysis | Hybrid Analysis"}],["$","meta","5",{"property":"og:description","content":"Suspicious verdict for sample 4aa54a705994…. Malware family: Trojan.Downloader.oa. Threat score 70/100. 1/25 AV engines flagged this file. 0 malicious and 0 suspicious behavioral indicators. View antivirus detections, behavioral indicators, and sandbox reports."}],["$","meta","6",{"property":"og:url","content":"https://www.hybrid-analysis.com/sample/4aa54a705994078096e3d40fd4218fb6c0e31e186db1e356c44a86cdb5d43df0"}],["$","meta","7",{"name":"twitter:card","content":"summary"}],["$","meta","8",{"name":"twitter:title","content":"Suspicious Trojan.Downloader.oa Sample 4aa54a705994… — Score 70/100 — Hybrid Analysis | Hybrid Analysis"}],["$","meta","9",{"name":"twitter:description","content":"Suspicious verdict for sample 4aa54a705994…. Malware family: Trojan.Downloader.oa. Threat score 70/100. 1/25 AV engines flagged this file. 0 malicious and 0 suspicious behavioral indicators. View antivirus detections, behavioral indicators, and sandbox reports."}],["$","link","10",{"rel":"icon","href":"/favicon.svg"}],["$","$L37","11",{}]] 32:null