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

1804 msdcsc.exe
Loads dropped DLL 2 IoCs

Processes:

AntiVM.exe

pid process

308 AntiVM.exe
308 AntiVM.exe

pid	process
1804	msdcsc.exe

pid	process
308	AntiVM.exe
308	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	308	AntiVM.exe
Token: SeSecurityPrivilege	308	AntiVM.exe
Token: SeTakeOwnershipPrivilege	308	AntiVM.exe
Token: SeLoadDriverPrivilege	308	AntiVM.exe
Token: SeSystemProfilePrivilege	308	AntiVM.exe
Token: SeSystemtimePrivilege	308	AntiVM.exe
Token: SeProfSingleProcessPrivilege	308	AntiVM.exe
Token: SeIncBasePriorityPrivilege	308	AntiVM.exe
Token: SeCreatePagefilePrivilege	308	AntiVM.exe
Token: SeBackupPrivilege	308	AntiVM.exe
Token: SeRestorePrivilege	308	AntiVM.exe
Token: SeShutdownPrivilege	308	AntiVM.exe
Token: SeDebugPrivilege	308	AntiVM.exe
Token: SeSystemEnvironmentPrivilege	308	AntiVM.exe
Token: SeChangeNotifyPrivilege	308	AntiVM.exe
Token: SeRemoteShutdownPrivilege	308	AntiVM.exe
Token: SeUndockPrivilege	308	AntiVM.exe
Token: SeManageVolumePrivilege	308	AntiVM.exe
Token: SeImpersonatePrivilege	308	AntiVM.exe
Token: SeCreateGlobalPrivilege	308	AntiVM.exe
Token: 33	308	AntiVM.exe
Token: 34	308	AntiVM.exe
Token: 35	308	AntiVM.exe
Token: SeIncreaseQuotaPrivilege	2032	ANTIVM.EXE
Token: SeSecurityPrivilege	2032	ANTIVM.EXE
Token: SeTakeOwnershipPrivilege	2032	ANTIVM.EXE
Token: SeLoadDriverPrivilege	2032	ANTIVM.EXE
Token: SeSystemProfilePrivilege	2032	ANTIVM.EXE
Token: SeSystemtimePrivilege	2032	ANTIVM.EXE
Token: SeProfSingleProcessPrivilege	2032	ANTIVM.EXE
Token: SeIncBasePriorityPrivilege	2032	ANTIVM.EXE
Token: SeCreatePagefilePrivilege	2032	ANTIVM.EXE
Token: SeBackupPrivilege	2032	ANTIVM.EXE
Token: SeRestorePrivilege	2032	ANTIVM.EXE
Token: SeShutdownPrivilege	2032	ANTIVM.EXE
Token: SeDebugPrivilege	2032	ANTIVM.EXE
Token: SeSystemEnvironmentPrivilege	2032	ANTIVM.EXE
Token: SeChangeNotifyPrivilege	2032	ANTIVM.EXE
Token: SeRemoteShutdownPrivilege	2032	ANTIVM.EXE
Token: SeUndockPrivilege	2032	ANTIVM.EXE
Token: SeManageVolumePrivilege	2032	ANTIVM.EXE
Token: SeImpersonatePrivilege	2032	ANTIVM.EXE
Token: SeCreateGlobalPrivilege	2032	ANTIVM.EXE
Token: 33	2032	ANTIVM.EXE
Token: 34	2032	ANTIVM.EXE
Token: 35	2032	ANTIVM.EXE
Token: SeIncreaseQuotaPrivilege	1804	msdcsc.exe
Token: SeSecurityPrivilege	1804	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1804	msdcsc.exe
Token: SeLoadDriverPrivilege	1804	msdcsc.exe
Token: SeSystemProfilePrivilege	1804	msdcsc.exe
Token: SeSystemtimePrivilege	1804	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1804	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1804	msdcsc.exe
Token: SeCreatePagefilePrivilege	1804	msdcsc.exe
Token: SeBackupPrivilege	1804	msdcsc.exe
Token: SeRestorePrivilege	1804	msdcsc.exe
Token: SeShutdownPrivilege	1804	msdcsc.exe
Token: SeDebugPrivilege	1804	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1804	msdcsc.exe
Token: SeChangeNotifyPrivilege	1804	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1804	msdcsc.exe
Token: SeUndockPrivilege	1804	msdcsc.exe
Token: SeManageVolumePrivilege	1804	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ANTIVM.EXE

pid process

2032 ANTIVM.EXE

pid	process
2032	ANTIVM.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

AntiVM.exe

description	pid	process	target process
PID 308 wrote to memory of 2032	308	AntiVM.exe	ANTIVM.EXE
PID 308 wrote to memory of 2032	308	AntiVM.exe	ANTIVM.EXE
PID 308 wrote to memory of 2032	308	AntiVM.exe	ANTIVM.EXE
PID 308 wrote to memory of 2032	308	AntiVM.exe	ANTIVM.EXE
PID 308 wrote to memory of 1804	308	AntiVM.exe	msdcsc.exe
PID 308 wrote to memory of 1804	308	AntiVM.exe	msdcsc.exe
PID 308 wrote to memory of 1804	308	AntiVM.exe	msdcsc.exe
PID 308 wrote to memory of 1804	308	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:308

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:2032

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1804

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/308-59-0x0000000075A31000-0x0000000075A33000-memory.dmp

Filesize
8KB

Download
memory/308-63-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1804-67-0x0000000000000000-mapping.dmp

Download
memory/1804-70-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2032-60-0x0000000000000000-mapping.dmp

Download
memory/2032-64-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads