darkcomet | 98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958

General

Target

98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Size

266KB
MD5

607f3249f01bcb2406e81c2cce900f73
SHA1

ee08e9662d34fa613e43ef7d9c81b393377abded
SHA256

98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958
SHA512

f46ce677320f2de9b0fce39733484485c14274d3a6e391e68a23ce3aa2273d1bd2871f028293b69ce4319afed73efa251d26483ad5522066624fca75208fca0d

Score

10^/10

darkcomet evasion 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:

98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.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"	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

1940 msdcsc.exe
Sets file to hidden 1 TTPs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1158

pid	process
1940	msdcsc.exe

Loads dropped DLL 2 IoCs

Processes:

98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe

pid	process
844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exemsdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.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:

98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: SeSecurityPrivilege	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: SeTakeOwnershipPrivilege	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: SeLoadDriverPrivilege	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: SeSystemProfilePrivilege	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: SeSystemtimePrivilege	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: SeProfSingleProcessPrivilege	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: SeIncBasePriorityPrivilege	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: SeCreatePagefilePrivilege	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: SeBackupPrivilege	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: SeRestorePrivilege	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: SeShutdownPrivilege	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: SeDebugPrivilege	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: SeSystemEnvironmentPrivilege	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: SeChangeNotifyPrivilege	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: SeRemoteShutdownPrivilege	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: SeUndockPrivilege	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: SeManageVolumePrivilege	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: SeImpersonatePrivilege	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: SeCreateGlobalPrivilege	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: 33	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: 34	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: 35	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
Token: SeIncreaseQuotaPrivilege	1940	msdcsc.exe
Token: SeSecurityPrivilege	1940	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1940	msdcsc.exe
Token: SeLoadDriverPrivilege	1940	msdcsc.exe
Token: SeSystemProfilePrivilege	1940	msdcsc.exe
Token: SeSystemtimePrivilege	1940	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1940	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1940	msdcsc.exe
Token: SeCreatePagefilePrivilege	1940	msdcsc.exe
Token: SeBackupPrivilege	1940	msdcsc.exe
Token: SeRestorePrivilege	1940	msdcsc.exe
Token: SeShutdownPrivilege	1940	msdcsc.exe
Token: SeDebugPrivilege	1940	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1940	msdcsc.exe
Token: SeChangeNotifyPrivilege	1940	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1940	msdcsc.exe
Token: SeUndockPrivilege	1940	msdcsc.exe
Token: SeManageVolumePrivilege	1940	msdcsc.exe
Token: SeImpersonatePrivilege	1940	msdcsc.exe
Token: SeCreateGlobalPrivilege	1940	msdcsc.exe
Token: 33	1940	msdcsc.exe
Token: 34	1940	msdcsc.exe
Token: 35	1940	msdcsc.exe

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.execmd.exemsdcsc.exe

description	pid	process	target process
PID 844 wrote to memory of 1220	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe	cmd.exe
PID 844 wrote to memory of 1220	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe	cmd.exe
PID 844 wrote to memory of 1220	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe	cmd.exe
PID 844 wrote to memory of 1220	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe	cmd.exe
PID 1220 wrote to memory of 1860	1220	cmd.exe	attrib.exe
PID 1220 wrote to memory of 1860	1220	cmd.exe	attrib.exe
PID 1220 wrote to memory of 1860	1220	cmd.exe	attrib.exe
PID 1220 wrote to memory of 1860	1220	cmd.exe	attrib.exe
PID 844 wrote to memory of 1940	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe	msdcsc.exe
PID 844 wrote to memory of 1940	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe	msdcsc.exe
PID 844 wrote to memory of 1940	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe	msdcsc.exe
PID 844 wrote to memory of 1940	844	98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe	msdcsc.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe
PID 1940 wrote to memory of 1676	1940	msdcsc.exe	notepad.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1860 attrib.exe

pid	process
1860	attrib.exe

C:\Users\Admin\AppData\Local\Temp\98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe
"C:\Users\Admin\AppData\Local\Temp\98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:844

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:1220

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958.exe" +s +h
3⤵
- Views/modifies file attributes
PID:1860

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1940

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:1676

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Hidden Files and Directories

2

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Hidden Files and Directories

2

T1158

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
MD5
607f3249f01bcb2406e81c2cce900f73

SHA1
ee08e9662d34fa613e43ef7d9c81b393377abded

SHA256
98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958

SHA512
f46ce677320f2de9b0fce39733484485c14274d3a6e391e68a23ce3aa2273d1bd2871f028293b69ce4319afed73efa251d26483ad5522066624fca75208fca0d

Download Submit
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
MD5
607f3249f01bcb2406e81c2cce900f73

SHA1
ee08e9662d34fa613e43ef7d9c81b393377abded

SHA256
98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958

SHA512
f46ce677320f2de9b0fce39733484485c14274d3a6e391e68a23ce3aa2273d1bd2871f028293b69ce4319afed73efa251d26483ad5522066624fca75208fca0d

Download Submit
\Users\Admin\Documents\MSDCSC\msdcsc.exe
MD5
607f3249f01bcb2406e81c2cce900f73

SHA1
ee08e9662d34fa613e43ef7d9c81b393377abded

SHA256
98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958

SHA512
f46ce677320f2de9b0fce39733484485c14274d3a6e391e68a23ce3aa2273d1bd2871f028293b69ce4319afed73efa251d26483ad5522066624fca75208fca0d

Download Submit
\Users\Admin\Documents\MSDCSC\msdcsc.exe
MD5
607f3249f01bcb2406e81c2cce900f73

SHA1
ee08e9662d34fa613e43ef7d9c81b393377abded

SHA256
98755eadea7bd0b44fc437ec5bb15f3aaedcf5cb3265e59e579c23dd29086958

SHA512
f46ce677320f2de9b0fce39733484485c14274d3a6e391e68a23ce3aa2273d1bd2871f028293b69ce4319afed73efa251d26483ad5522066624fca75208fca0d

Download Submit
memory/1220-0-0x0000000000000000-mapping.dmp

Download
memory/1676-7-0x0000000000000000-mapping.dmp

Download
memory/1676-8-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1676-9-0x0000000000000000-mapping.dmp

Download
memory/1860-1-0x0000000000000000-mapping.dmp

Download
memory/1940-4-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads