darkcomet | 7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663

General

Target

7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Size

658KB
MD5

039c7ff58d895d09b8197e81219c8a4c
SHA1

1d39f31f551e520a12eb8b86e87fa355685b8444
SHA256

7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663
SHA512

bed83268a318d1efdada4fe7d683970d85386e9fdc702dd113ae15b77d81c9eef3c67fc8f17a0a153f5d915e9c6794aeb7a71e404ed52d0f937e07a962a55f9f

Score

10^/10

darkcomet junior_sazan persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Junior_Sazan

C2

192.168.43.1:1604

Mutex

DCMIN_MUTEX-XWTUXJX

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
gdhAkt6XVk4X
install
true
offline_keylogger
true
persistence
false
reg_key
Windows Defender

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:

7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe

Executes dropped EXE 1 IoCs

Processes:

IMDCSC.exe

pid process

1168 IMDCSC.exe

pid	process
1168	IMDCSC.exe

Loads dropped DLL 2 IoCs

Processes:

7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe

pid	process
756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Defender = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.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 46 IoCs

Processes:

7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exeIMDCSC.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: SeSecurityPrivilege	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: SeTakeOwnershipPrivilege	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: SeLoadDriverPrivilege	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: SeSystemProfilePrivilege	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: SeSystemtimePrivilege	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: SeProfSingleProcessPrivilege	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: SeIncBasePriorityPrivilege	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: SeCreatePagefilePrivilege	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: SeBackupPrivilege	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: SeRestorePrivilege	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: SeShutdownPrivilege	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: SeDebugPrivilege	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: SeSystemEnvironmentPrivilege	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: SeChangeNotifyPrivilege	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: SeRemoteShutdownPrivilege	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: SeUndockPrivilege	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: SeManageVolumePrivilege	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: SeImpersonatePrivilege	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: SeCreateGlobalPrivilege	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: 33	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: 34	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: 35	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
Token: SeIncreaseQuotaPrivilege	1168	IMDCSC.exe
Token: SeSecurityPrivilege	1168	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	1168	IMDCSC.exe
Token: SeLoadDriverPrivilege	1168	IMDCSC.exe
Token: SeSystemProfilePrivilege	1168	IMDCSC.exe
Token: SeSystemtimePrivilege	1168	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	1168	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	1168	IMDCSC.exe
Token: SeCreatePagefilePrivilege	1168	IMDCSC.exe
Token: SeBackupPrivilege	1168	IMDCSC.exe
Token: SeRestorePrivilege	1168	IMDCSC.exe
Token: SeShutdownPrivilege	1168	IMDCSC.exe
Token: SeDebugPrivilege	1168	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	1168	IMDCSC.exe
Token: SeChangeNotifyPrivilege	1168	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	1168	IMDCSC.exe
Token: SeUndockPrivilege	1168	IMDCSC.exe
Token: SeManageVolumePrivilege	1168	IMDCSC.exe
Token: SeImpersonatePrivilege	1168	IMDCSC.exe
Token: SeCreateGlobalPrivilege	1168	IMDCSC.exe
Token: 33	1168	IMDCSC.exe
Token: 34	1168	IMDCSC.exe
Token: 35	1168	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

IMDCSC.exe

pid process

1168 IMDCSC.exe

pid	process
1168	IMDCSC.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe

description	pid	process	target process
PID 756 wrote to memory of 1168	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe	IMDCSC.exe
PID 756 wrote to memory of 1168	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe	IMDCSC.exe
PID 756 wrote to memory of 1168	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe	IMDCSC.exe
PID 756 wrote to memory of 1168	756	7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe	IMDCSC.exe

C:\Users\Admin\AppData\Local\Temp\7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe
"C:\Users\Admin\AppData\Local\Temp\7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:756

C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
"C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1168

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
MD5
039c7ff58d895d09b8197e81219c8a4c

SHA1
1d39f31f551e520a12eb8b86e87fa355685b8444

SHA256
7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663

SHA512
bed83268a318d1efdada4fe7d683970d85386e9fdc702dd113ae15b77d81c9eef3c67fc8f17a0a153f5d915e9c6794aeb7a71e404ed52d0f937e07a962a55f9f

Download Submit
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
MD5
039c7ff58d895d09b8197e81219c8a4c

SHA1
1d39f31f551e520a12eb8b86e87fa355685b8444

SHA256
7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663

SHA512
bed83268a318d1efdada4fe7d683970d85386e9fdc702dd113ae15b77d81c9eef3c67fc8f17a0a153f5d915e9c6794aeb7a71e404ed52d0f937e07a962a55f9f

Download Submit
\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
MD5
039c7ff58d895d09b8197e81219c8a4c

SHA1
1d39f31f551e520a12eb8b86e87fa355685b8444

SHA256
7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663

SHA512
bed83268a318d1efdada4fe7d683970d85386e9fdc702dd113ae15b77d81c9eef3c67fc8f17a0a153f5d915e9c6794aeb7a71e404ed52d0f937e07a962a55f9f

Download Submit
\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
MD5
039c7ff58d895d09b8197e81219c8a4c

SHA1
1d39f31f551e520a12eb8b86e87fa355685b8444

SHA256
7fb5225671608e34583ac4e3766f9b6e765efeb1f71921366e30dcaad296f663

SHA512
bed83268a318d1efdada4fe7d683970d85386e9fdc702dd113ae15b77d81c9eef3c67fc8f17a0a153f5d915e9c6794aeb7a71e404ed52d0f937e07a962a55f9f

Download Submit
memory/756-60-0x00000000750C1000-0x00000000750C3000-memory.dmp

Filesize
8KB

Download
memory/756-61-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/1168-64-0x0000000000000000-mapping.dmp

Download
memory/1168-68-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads