darkcomet | 70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d

General

Target
70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Size 253KB
Sample201109-rmppfxt6mx
SHA256 70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d
MD5 caaef1f76dd911414c85eca22856b38c
SHA1 b767c8080a8baebc703481fa1ddab8d87bfb6718
SHA512 eaee4415f217ac020d4467cb3dc7ad41b112fa151fcae6d6d89cabedab5a520a424fead5cc81ed5582126268e4d644104f6ee8fe79f15e547547070098afb50a
MD5 SHA1 SHA512

Score

10^/10

darkcomet persistence rat trojan

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: SeSecurityPrivilege	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: SeTakeOwnershipPrivilege	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: SeLoadDriverPrivilege	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: SeSystemProfilePrivilege	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: SeSystemtimePrivilege	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: SeProfSingleProcessPrivilege	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: SeIncBasePriorityPrivilege	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: SeCreatePagefilePrivilege	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: SeBackupPrivilege	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: SeRestorePrivilege	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: SeShutdownPrivilege	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: SeDebugPrivilege	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: SeSystemEnvironmentPrivilege	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: SeChangeNotifyPrivilege	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: SeRemoteShutdownPrivilege	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: SeUndockPrivilege	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: SeManageVolumePrivilege	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: SeImpersonatePrivilege	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: SeCreateGlobalPrivilege	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: 33	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: 34	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
Token: 35	1728	70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe

C:\Users\Admin\AppData\Local\Temp\70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe
"C:\Users\Admin\AppData\Local\Temp\70384e8c5ba3d348bf34e7071759c64c52fa2e21ac9c331e719cbf9116efa57d.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:1728