GrimAgent — Malware Profile
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.
MITRE ATT&CK techniques (25)
- T1001.001 Junk Data
- T1005 Data from Local System
- T1016 System Network Configuration Discovery
- T1027 Obfuscated Files or Information
- T1027.001 Binary Padding
- T1033 System Owner/User Discovery
- T1041 Exfiltration Over C2 Channel
- T1053.005 Scheduled Task
- T1059.003 Windows Command Shell
- T1070.004 File Deletion
- T1070.009 Clear Persistence
- T1071.001 Web Protocols
- T1082 System Information Discovery
- T1083 File and Directory Discovery
- T1105 Ingress Tool Transfer
- T1106 Native API
- T1132.001 Standard Encoding
- T1140 Deobfuscate/Decode Files or Information
- T1480.002 Mutual Exclusion
- T1497.003 Time Based Checks
- T1547.001 Registry Run Keys / Startup Folder
- T1573.001 Symmetric Cryptography
- T1573.002 Asymmetric Cryptography
- T1614 System Location Discovery
- T1614.001 System Language Discovery