darkcomet | 0910ca437d19b8920ea6c0f91d4172a18b2c7827246eae1ea1bc17115c845ebf

General

Target

438492ec709255dbe567d82907aa5a3c.exe
Size

761KB
MD5

438492ec709255dbe567d82907aa5a3c
SHA1

7d0c8bbefb1a8a69d3530fa5152d849ebb2df0c0
SHA256

0910ca437d19b8920ea6c0f91d4172a18b2c7827246eae1ea1bc17115c845ebf
SHA512

33c6ee96bba0d0e3b4762775543c706d20b0fcc1619e527b1b7865c0b6a66bd399db265ba6a92e791305e58bb2a45ed0a94fb1f695220d4e5e3e78daab084f0f

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:

438492ec709255dbe567d82907aa5a3c.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\update.exe"	438492ec709255dbe567d82907aa5a3c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

438492ec709255dbe567d82907aa5a3c.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\update.exe"	438492ec709255dbe567d82907aa5a3c.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:

438492ec709255dbe567d82907aa5a3c.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: SeSecurityPrivilege	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: SeTakeOwnershipPrivilege	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: SeLoadDriverPrivilege	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: SeSystemProfilePrivilege	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: SeSystemtimePrivilege	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: SeProfSingleProcessPrivilege	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: SeIncBasePriorityPrivilege	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: SeCreatePagefilePrivilege	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: SeBackupPrivilege	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: SeRestorePrivilege	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: SeShutdownPrivilege	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: SeDebugPrivilege	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: SeSystemEnvironmentPrivilege	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: SeChangeNotifyPrivilege	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: SeRemoteShutdownPrivilege	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: SeUndockPrivilege	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: SeManageVolumePrivilege	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: SeImpersonatePrivilege	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: SeCreateGlobalPrivilege	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: 33	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: 34	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: 35	4764	438492ec709255dbe567d82907aa5a3c.exe
Token: 36	4764	438492ec709255dbe567d82907aa5a3c.exe

C:\Users\Admin\AppData\Local\Temp\438492ec709255dbe567d82907aa5a3c.exe
"C:\Users\Admin\AppData\Local\Temp\438492ec709255dbe567d82907aa5a3c.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:4764