darkcomet | 0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee

General

Target

0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Size

658KB
MD5

640b21a6983119ba8261bf9db1e07a10
SHA1

103ab193eeafeb5213bc1a94905090b76afaae77
SHA256

0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee
SHA512

bd7a094e825ef01d2caa9ab4b9748015e9706c3d415b108c2d2e72d46a92009df2d24eee4ec73b5d7923c3f01499622d93debdd097a551a1164d318d2dd85f91
SSDEEP

12288:S9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h9:+Z1xuVVjfFoynPaVBUR8f+kN10EB7

Score

10^/10

darkcomet guest16 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

91.109.23.72:1604

Mutex

DC_MUTEX-HQVMJBC

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
2nMa4dc9PktF
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

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:

0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.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"	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

3076 msdcsc.exe

pid	process
3076	msdcsc.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exemsdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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 behavior: GetForegroundWindowSpam 1 IoCs

Processes:

msdcsc.exe

pid process

3076 msdcsc.exe

pid	process
3076	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: SeSecurityPrivilege	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: SeTakeOwnershipPrivilege	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: SeLoadDriverPrivilege	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: SeSystemProfilePrivilege	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: SeSystemtimePrivilege	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: SeProfSingleProcessPrivilege	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: SeIncBasePriorityPrivilege	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: SeCreatePagefilePrivilege	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: SeBackupPrivilege	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: SeRestorePrivilege	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: SeShutdownPrivilege	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: SeDebugPrivilege	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: SeSystemEnvironmentPrivilege	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: SeChangeNotifyPrivilege	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: SeRemoteShutdownPrivilege	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: SeUndockPrivilege	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: SeManageVolumePrivilege	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: SeImpersonatePrivilege	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: SeCreateGlobalPrivilege	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: 33	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: 34	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: 35	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: 36	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
Token: SeIncreaseQuotaPrivilege	3076	msdcsc.exe
Token: SeSecurityPrivilege	3076	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3076	msdcsc.exe
Token: SeLoadDriverPrivilege	3076	msdcsc.exe
Token: SeSystemProfilePrivilege	3076	msdcsc.exe
Token: SeSystemtimePrivilege	3076	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3076	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3076	msdcsc.exe
Token: SeCreatePagefilePrivilege	3076	msdcsc.exe
Token: SeBackupPrivilege	3076	msdcsc.exe
Token: SeRestorePrivilege	3076	msdcsc.exe
Token: SeShutdownPrivilege	3076	msdcsc.exe
Token: SeDebugPrivilege	3076	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3076	msdcsc.exe
Token: SeChangeNotifyPrivilege	3076	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3076	msdcsc.exe
Token: SeUndockPrivilege	3076	msdcsc.exe
Token: SeManageVolumePrivilege	3076	msdcsc.exe
Token: SeImpersonatePrivilege	3076	msdcsc.exe
Token: SeCreateGlobalPrivilege	3076	msdcsc.exe
Token: 33	3076	msdcsc.exe
Token: 34	3076	msdcsc.exe
Token: 35	3076	msdcsc.exe
Token: 36	3076	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

3076 msdcsc.exe

pid	process
3076	msdcsc.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exemsdcsc.exe

description	pid	process	target process
PID 3476 wrote to memory of 3076	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe	msdcsc.exe
PID 3476 wrote to memory of 3076	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe	msdcsc.exe
PID 3476 wrote to memory of 3076	3476	0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe	msdcsc.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe
PID 3076 wrote to memory of 4420	3076	msdcsc.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe
"C:\Users\Admin\AppData\Local\Temp\0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3476

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 behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3076

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:4420

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
658KB

MD5
640b21a6983119ba8261bf9db1e07a10

SHA1
103ab193eeafeb5213bc1a94905090b76afaae77

SHA256
0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee

SHA512
bd7a094e825ef01d2caa9ab4b9748015e9706c3d415b108c2d2e72d46a92009df2d24eee4ec73b5d7923c3f01499622d93debdd097a551a1164d318d2dd85f91

Download Submit
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
658KB

MD5
640b21a6983119ba8261bf9db1e07a10

SHA1
103ab193eeafeb5213bc1a94905090b76afaae77

SHA256
0eb8729d5cfe37d6e743fff9a26e81d8aa7124390154ad8aca2657d320330cee

SHA512
bd7a094e825ef01d2caa9ab4b9748015e9706c3d415b108c2d2e72d46a92009df2d24eee4ec73b5d7923c3f01499622d93debdd097a551a1164d318d2dd85f91

Download Submit
memory/3076-132-0x0000000000000000-mapping.dmp

Download
memory/4420-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads