darkcomet | 3249eefcf27f03ae89ef3c85074bf00be3e5dd251ec8d52200a731912487bbe3

General

Target

AntiVM.exe
Size

837KB
MD5

003b08b0ce8bb863e5a9bcfa7a20a2a3
SHA1

df93956e25c6f799f5976d9e633c5646a2a20638
SHA256

3249eefcf27f03ae89ef3c85074bf00be3e5dd251ec8d52200a731912487bbe3
SHA512

1859bebcbc7f0fa212e36acc7326c5a24d8d2c625a35a9b9c3e6b6f72a2132fc62d7403fa90e8f4e48baf8fc96e32697f37c83fd6fb3fd90dc60541e5bb4fc5f

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:

AntiVM.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\\MSDCSC\\msdcsc.exe"	AntiVM.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

1760 msdcsc.exe
Loads dropped DLL 2 IoCs

Processes:

AntiVM.exe

pid process

1732 AntiVM.exe
1732 AntiVM.exe

pid	process
1760	msdcsc.exe

pid	process
1732	AntiVM.exe
1732	AntiVM.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ANTIVM.EXEAntiVM.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	ANTIVM.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	AntiVM.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 64 IoCs

Processes:

AntiVM.exeANTIVM.EXEmsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1732	AntiVM.exe
Token: SeSecurityPrivilege	1732	AntiVM.exe
Token: SeTakeOwnershipPrivilege	1732	AntiVM.exe
Token: SeLoadDriverPrivilege	1732	AntiVM.exe
Token: SeSystemProfilePrivilege	1732	AntiVM.exe
Token: SeSystemtimePrivilege	1732	AntiVM.exe
Token: SeProfSingleProcessPrivilege	1732	AntiVM.exe
Token: SeIncBasePriorityPrivilege	1732	AntiVM.exe
Token: SeCreatePagefilePrivilege	1732	AntiVM.exe
Token: SeBackupPrivilege	1732	AntiVM.exe
Token: SeRestorePrivilege	1732	AntiVM.exe
Token: SeShutdownPrivilege	1732	AntiVM.exe
Token: SeDebugPrivilege	1732	AntiVM.exe
Token: SeSystemEnvironmentPrivilege	1732	AntiVM.exe
Token: SeChangeNotifyPrivilege	1732	AntiVM.exe
Token: SeRemoteShutdownPrivilege	1732	AntiVM.exe
Token: SeUndockPrivilege	1732	AntiVM.exe
Token: SeManageVolumePrivilege	1732	AntiVM.exe
Token: SeImpersonatePrivilege	1732	AntiVM.exe
Token: SeCreateGlobalPrivilege	1732	AntiVM.exe
Token: 33	1732	AntiVM.exe
Token: 34	1732	AntiVM.exe
Token: 35	1732	AntiVM.exe
Token: SeIncreaseQuotaPrivilege	1364	ANTIVM.EXE
Token: SeSecurityPrivilege	1364	ANTIVM.EXE
Token: SeTakeOwnershipPrivilege	1364	ANTIVM.EXE
Token: SeLoadDriverPrivilege	1364	ANTIVM.EXE
Token: SeSystemProfilePrivilege	1364	ANTIVM.EXE
Token: SeSystemtimePrivilege	1364	ANTIVM.EXE
Token: SeProfSingleProcessPrivilege	1364	ANTIVM.EXE
Token: SeIncBasePriorityPrivilege	1364	ANTIVM.EXE
Token: SeCreatePagefilePrivilege	1364	ANTIVM.EXE
Token: SeBackupPrivilege	1364	ANTIVM.EXE
Token: SeRestorePrivilege	1364	ANTIVM.EXE
Token: SeShutdownPrivilege	1364	ANTIVM.EXE
Token: SeDebugPrivilege	1364	ANTIVM.EXE
Token: SeSystemEnvironmentPrivilege	1364	ANTIVM.EXE
Token: SeChangeNotifyPrivilege	1364	ANTIVM.EXE
Token: SeRemoteShutdownPrivilege	1364	ANTIVM.EXE
Token: SeUndockPrivilege	1364	ANTIVM.EXE
Token: SeManageVolumePrivilege	1364	ANTIVM.EXE
Token: SeImpersonatePrivilege	1364	ANTIVM.EXE
Token: SeCreateGlobalPrivilege	1364	ANTIVM.EXE
Token: 33	1364	ANTIVM.EXE
Token: 34	1364	ANTIVM.EXE
Token: 35	1364	ANTIVM.EXE
Token: SeIncreaseQuotaPrivilege	1760	msdcsc.exe
Token: SeSecurityPrivilege	1760	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1760	msdcsc.exe
Token: SeLoadDriverPrivilege	1760	msdcsc.exe
Token: SeSystemProfilePrivilege	1760	msdcsc.exe
Token: SeSystemtimePrivilege	1760	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1760	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1760	msdcsc.exe
Token: SeCreatePagefilePrivilege	1760	msdcsc.exe
Token: SeBackupPrivilege	1760	msdcsc.exe
Token: SeRestorePrivilege	1760	msdcsc.exe
Token: SeShutdownPrivilege	1760	msdcsc.exe
Token: SeDebugPrivilege	1760	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1760	msdcsc.exe
Token: SeChangeNotifyPrivilege	1760	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1760	msdcsc.exe
Token: SeUndockPrivilege	1760	msdcsc.exe
Token: SeManageVolumePrivilege	1760	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ANTIVM.EXE

pid process

1364 ANTIVM.EXE

pid	process
1364	ANTIVM.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

AntiVM.exe

description	pid	process	target process
PID 1732 wrote to memory of 1364	1732	AntiVM.exe	ANTIVM.EXE
PID 1732 wrote to memory of 1364	1732	AntiVM.exe	ANTIVM.EXE
PID 1732 wrote to memory of 1364	1732	AntiVM.exe	ANTIVM.EXE
PID 1732 wrote to memory of 1364	1732	AntiVM.exe	ANTIVM.EXE
PID 1732 wrote to memory of 1760	1732	AntiVM.exe	msdcsc.exe
PID 1732 wrote to memory of 1760	1732	AntiVM.exe	msdcsc.exe
PID 1732 wrote to memory of 1760	1732	AntiVM.exe	msdcsc.exe
PID 1732 wrote to memory of 1760	1732	AntiVM.exe	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\AntiVM.exe
"C:\Users\Admin\AppData\Local\Temp\AntiVM.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1732

C:\Users\Admin\AppData\Local\Temp\ANTIVM.EXE
"C:\Users\Admin\AppData\Local\Temp\ANTIVM.EXE"
2⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1364

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1760

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

MD5
003b08b0ce8bb863e5a9bcfa7a20a2a3

SHA1
df93956e25c6f799f5976d9e633c5646a2a20638

SHA256
3249eefcf27f03ae89ef3c85074bf00be3e5dd251ec8d52200a731912487bbe3

SHA512
1859bebcbc7f0fa212e36acc7326c5a24d8d2c625a35a9b9c3e6b6f72a2132fc62d7403fa90e8f4e48baf8fc96e32697f37c83fd6fb3fd90dc60541e5bb4fc5f

Download Submit
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

MD5
003b08b0ce8bb863e5a9bcfa7a20a2a3

SHA1
df93956e25c6f799f5976d9e633c5646a2a20638

SHA256
3249eefcf27f03ae89ef3c85074bf00be3e5dd251ec8d52200a731912487bbe3

SHA512
1859bebcbc7f0fa212e36acc7326c5a24d8d2c625a35a9b9c3e6b6f72a2132fc62d7403fa90e8f4e48baf8fc96e32697f37c83fd6fb3fd90dc60541e5bb4fc5f

Download Submit
\Users\Admin\Documents\MSDCSC\msdcsc.exe

MD5
003b08b0ce8bb863e5a9bcfa7a20a2a3

SHA1
df93956e25c6f799f5976d9e633c5646a2a20638

SHA256
3249eefcf27f03ae89ef3c85074bf00be3e5dd251ec8d52200a731912487bbe3

SHA512
1859bebcbc7f0fa212e36acc7326c5a24d8d2c625a35a9b9c3e6b6f72a2132fc62d7403fa90e8f4e48baf8fc96e32697f37c83fd6fb3fd90dc60541e5bb4fc5f

Download Submit
\Users\Admin\Documents\MSDCSC\msdcsc.exe

MD5
003b08b0ce8bb863e5a9bcfa7a20a2a3

SHA1
df93956e25c6f799f5976d9e633c5646a2a20638

SHA256
3249eefcf27f03ae89ef3c85074bf00be3e5dd251ec8d52200a731912487bbe3

SHA512
1859bebcbc7f0fa212e36acc7326c5a24d8d2c625a35a9b9c3e6b6f72a2132fc62d7403fa90e8f4e48baf8fc96e32697f37c83fd6fb3fd90dc60541e5bb4fc5f

Download Submit
memory/1364-60-0x0000000000000000-mapping.dmp

Download
memory/1364-64-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1732-59-0x0000000075161000-0x0000000075163000-memory.dmp

Filesize
8KB

Download
memory/1732-63-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1760-67-0x0000000000000000-mapping.dmp

Download
memory/1760-70-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads