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Open Threat Intel Archive

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Open Threat Intel Archive

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S0632malware

GrimAgent

GrimAgent is a backdoor that has been used before the deployment of Ryuk ransomware since at least 2020; it is likely used by FIN6 and Wizard Spider.

Platforms: Windows

MITRE ATT&CK ↗

Linked entities · 24

usesT1547.001Registry Run Keys / Startup Folder usesT1059.003Windows Command Shell usesT1053.005Scheduled Task usesT1005Data from Local System usesT1033System Owner/User Discovery usesT1573.002Asymmetric Cryptography usesT1083File and Directory Discovery usesT1105Ingress Tool Transfer usesT1016System Network Configuration Disc…usesT1132.001Standard Encoding usesT1573.001Symmetric Cryptography usesT1106Native API usesT1480.002Mutual Exclusion usesT1614.001System Language Discovery usesT1497.003Time Based Checks usesT1614System Location Discovery usesT1070.009Clear Persistence usesT1140Deobfuscate/Decode Files or Infor…usesT1001.001Junk Data usesT1070.004File Deletion usesT1027Obfuscated Files or Information usesT1071.001Web Protocols usesT1082System Information Discovery usesT1041Exfiltration Over C2 Channel