darkcomet | 476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604

General

Target

476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Size

349KB
MD5

0ab1dfa9b38983b87a66f1f7e90b0bfd
SHA1

01bea9cba16e4592811119cc7f5cc7a4251f01fd
SHA256

476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604
SHA512

806da632438a5a598a84e653491a784240b4371dbcd918afd54fb6ca15eb6e376575756932b42bcb2c2bda1a529472f681c241f4e940906f8a811d96607314ec

Score

10^/10

darkcomet persistence rat trojan upx

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:

476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.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\\Local\\Temp\\MSDCSC\\msdcsc.exe"	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

1916 msdcsc.exe

pid	process
1916	msdcsc.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe	upx
\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe	upx
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe	upx
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe	upx

Loads dropped DLL 2 IoCs

Processes:

476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe

pid	process
1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.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:

476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: SeSecurityPrivilege	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: SeTakeOwnershipPrivilege	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: SeLoadDriverPrivilege	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: SeSystemProfilePrivilege	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: SeSystemtimePrivilege	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: SeProfSingleProcessPrivilege	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: SeIncBasePriorityPrivilege	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: SeCreatePagefilePrivilege	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: SeBackupPrivilege	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: SeRestorePrivilege	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: SeShutdownPrivilege	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: SeDebugPrivilege	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: SeSystemEnvironmentPrivilege	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: SeChangeNotifyPrivilege	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: SeRemoteShutdownPrivilege	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: SeUndockPrivilege	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: SeManageVolumePrivilege	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: SeImpersonatePrivilege	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: SeCreateGlobalPrivilege	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: 33	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: 34	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: 35	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
Token: SeIncreaseQuotaPrivilege	1916	msdcsc.exe
Token: SeSecurityPrivilege	1916	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1916	msdcsc.exe
Token: SeLoadDriverPrivilege	1916	msdcsc.exe
Token: SeSystemProfilePrivilege	1916	msdcsc.exe
Token: SeSystemtimePrivilege	1916	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1916	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1916	msdcsc.exe
Token: SeCreatePagefilePrivilege	1916	msdcsc.exe
Token: SeBackupPrivilege	1916	msdcsc.exe
Token: SeRestorePrivilege	1916	msdcsc.exe
Token: SeShutdownPrivilege	1916	msdcsc.exe
Token: SeDebugPrivilege	1916	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1916	msdcsc.exe
Token: SeChangeNotifyPrivilege	1916	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1916	msdcsc.exe
Token: SeUndockPrivilege	1916	msdcsc.exe
Token: SeManageVolumePrivilege	1916	msdcsc.exe
Token: SeImpersonatePrivilege	1916	msdcsc.exe
Token: SeCreateGlobalPrivilege	1916	msdcsc.exe
Token: 33	1916	msdcsc.exe
Token: 34	1916	msdcsc.exe
Token: 35	1916	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

1916 msdcsc.exe

pid	process
1916	msdcsc.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe

description	pid	process	target process
PID 1700 wrote to memory of 1916	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe	msdcsc.exe
PID 1700 wrote to memory of 1916	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe	msdcsc.exe
PID 1700 wrote to memory of 1916	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe	msdcsc.exe
PID 1700 wrote to memory of 1916	1700	476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe
"C:\Users\Admin\AppData\Local\Temp\476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1700

C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
"C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1916

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
MD5
0ab1dfa9b38983b87a66f1f7e90b0bfd

SHA1
01bea9cba16e4592811119cc7f5cc7a4251f01fd

SHA256
476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604

SHA512
806da632438a5a598a84e653491a784240b4371dbcd918afd54fb6ca15eb6e376575756932b42bcb2c2bda1a529472f681c241f4e940906f8a811d96607314ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
MD5
0ab1dfa9b38983b87a66f1f7e90b0bfd

SHA1
01bea9cba16e4592811119cc7f5cc7a4251f01fd

SHA256
476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604

SHA512
806da632438a5a598a84e653491a784240b4371dbcd918afd54fb6ca15eb6e376575756932b42bcb2c2bda1a529472f681c241f4e940906f8a811d96607314ec

Download Submit
\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
MD5
0ab1dfa9b38983b87a66f1f7e90b0bfd

SHA1
01bea9cba16e4592811119cc7f5cc7a4251f01fd

SHA256
476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604

SHA512
806da632438a5a598a84e653491a784240b4371dbcd918afd54fb6ca15eb6e376575756932b42bcb2c2bda1a529472f681c241f4e940906f8a811d96607314ec

Download Submit
\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
MD5
0ab1dfa9b38983b87a66f1f7e90b0bfd

SHA1
01bea9cba16e4592811119cc7f5cc7a4251f01fd

SHA256
476556560c54450a07c2d30a77f971f7a3c06e853176dfda0519375fab28b604

SHA512
806da632438a5a598a84e653491a784240b4371dbcd918afd54fb6ca15eb6e376575756932b42bcb2c2bda1a529472f681c241f4e940906f8a811d96607314ec

Download Submit
memory/1916-2-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads