darkcomet | fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59

General

Target

fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Size

318KB
MD5

0c8a0bcf335d7884ff7be43e162a1268
SHA1

ad327f25b0635d5d7c3c20f6dc53826845686f7e
SHA256

fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59
SHA512

49639cb69c706be5e6b4cac66af2182ff9542f9ff804349855244c15c588bd3fbf5d619b529e3e6a133731740e3034be04848e21e32afe46e6d4273bfcb0da0b

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

Processes:

fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe"	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe"	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.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 24 IoCs

Processes:

fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: SeSecurityPrivilege	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: SeTakeOwnershipPrivilege	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: SeLoadDriverPrivilege	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: SeSystemProfilePrivilege	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: SeSystemtimePrivilege	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: SeProfSingleProcessPrivilege	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: SeIncBasePriorityPrivilege	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: SeCreatePagefilePrivilege	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: SeBackupPrivilege	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: SeRestorePrivilege	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: SeShutdownPrivilege	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: SeDebugPrivilege	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: SeSystemEnvironmentPrivilege	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: SeChangeNotifyPrivilege	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: SeRemoteShutdownPrivilege	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: SeUndockPrivilege	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: SeManageVolumePrivilege	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: SeImpersonatePrivilege	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: SeCreateGlobalPrivilege	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: 33	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: 34	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: 35	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
Token: 36	3980	fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe

C:\Users\Admin\AppData\Local\Temp\fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe
"C:\Users\Admin\AppData\Local\Temp\fbc3d8b3e9ec4932d066a8f9ceb7c8d654c9addbb97f4fe0307695a6d4980c59.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:3980