darkcomet | 7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b

General

Target

7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe
Size

1.7MB
MD5

4d1ae7a48b2d7d91f73660ff0e674e28
SHA1

6e19115fec75bd5ea27d40a9c05158975c91d276
SHA256

7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b
SHA512

ce03d22a14e83a3c5aac63c4823ec3b2f6e7c5ef24fefcd3a21edfb785db3ce3ec207dffa0478292581f42e6cc4c03fcb0457bd6c3b9b6006bb0f1c0870d7943
SSDEEP

49152:Kkwkn9IMHea+Wbpq0aPCS+88RQUF0sQEEfGTeB:ZdnVWWbgLPCEJlNnGeB

Score

10^/10

darkcomet 3009 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

3009

C2

31.34.123.97:1604

Mutex

DC_MUTEX-AG0Z6VK

Attributes

InstallPath
My picture\windll.exe
gencode
KzwgPdBPhgWX
install
true
offline_keylogger
true
persistence
true
reg_key
svchost

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:

notepad.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\\My picture\\windll.exe"	notepad.exe

Executes dropped EXE 1 IoCs

Processes:

windll.exe

pid process

1408 windll.exe

pid	process
1408	windll.exe

Drops startup file 1 IoCs

Processes:

7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe.lnk	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe

Loads dropped DLL 1 IoCs

Processes:

notepad.exe

pid process

1236 notepad.exe

pid	process
1236	notepad.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

notepad.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\Documents\\My picture\\windll.exe"	notepad.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe

description	pid	process	target process
PID 848 set thread context of 1236	848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe	notepad.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 23 IoCs

Processes:

notepad.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1236	notepad.exe
Token: SeSecurityPrivilege	1236	notepad.exe
Token: SeTakeOwnershipPrivilege	1236	notepad.exe
Token: SeLoadDriverPrivilege	1236	notepad.exe
Token: SeSystemProfilePrivilege	1236	notepad.exe
Token: SeSystemtimePrivilege	1236	notepad.exe
Token: SeProfSingleProcessPrivilege	1236	notepad.exe
Token: SeIncBasePriorityPrivilege	1236	notepad.exe
Token: SeCreatePagefilePrivilege	1236	notepad.exe
Token: SeBackupPrivilege	1236	notepad.exe
Token: SeRestorePrivilege	1236	notepad.exe
Token: SeShutdownPrivilege	1236	notepad.exe
Token: SeDebugPrivilege	1236	notepad.exe
Token: SeSystemEnvironmentPrivilege	1236	notepad.exe
Token: SeChangeNotifyPrivilege	1236	notepad.exe
Token: SeRemoteShutdownPrivilege	1236	notepad.exe
Token: SeUndockPrivilege	1236	notepad.exe
Token: SeManageVolumePrivilege	1236	notepad.exe
Token: SeImpersonatePrivilege	1236	notepad.exe
Token: SeCreateGlobalPrivilege	1236	notepad.exe
Token: 33	1236	notepad.exe
Token: 34	1236	notepad.exe
Token: 35	1236	notepad.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe

pid	process
848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe
848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe
848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe
848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe

Suspicious use of SendNotifyMessage 4 IoCs

Processes:

7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe

pid	process
848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe
848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe
848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe
848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exenotepad.exe

description	pid	process	target process
PID 848 wrote to memory of 1236	848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe	notepad.exe
PID 848 wrote to memory of 1236	848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe	notepad.exe
PID 848 wrote to memory of 1236	848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe	notepad.exe
PID 848 wrote to memory of 1236	848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe	notepad.exe
PID 848 wrote to memory of 1236	848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe	notepad.exe
PID 848 wrote to memory of 1236	848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe	notepad.exe
PID 848 wrote to memory of 1236	848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe	notepad.exe
PID 848 wrote to memory of 1236	848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe	notepad.exe
PID 848 wrote to memory of 1236	848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe	notepad.exe
PID 848 wrote to memory of 1236	848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe	notepad.exe
PID 848 wrote to memory of 1236	848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe	notepad.exe
PID 848 wrote to memory of 1236	848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe	notepad.exe
PID 848 wrote to memory of 1236	848	7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe	notepad.exe
PID 1236 wrote to memory of 1556	1236	notepad.exe	notepad.exe
PID 1236 wrote to memory of 1556	1236	notepad.exe	notepad.exe
PID 1236 wrote to memory of 1556	1236	notepad.exe	notepad.exe
PID 1236 wrote to memory of 1556	1236	notepad.exe	notepad.exe
PID 1236 wrote to memory of 1556	1236	notepad.exe	notepad.exe
PID 1236 wrote to memory of 1556	1236	notepad.exe	notepad.exe
PID 1236 wrote to memory of 1556	1236	notepad.exe	notepad.exe
PID 1236 wrote to memory of 1556	1236	notepad.exe	notepad.exe
PID 1236 wrote to memory of 1556	1236	notepad.exe	notepad.exe
PID 1236 wrote to memory of 1556	1236	notepad.exe	notepad.exe
PID 1236 wrote to memory of 1556	1236	notepad.exe	notepad.exe
PID 1236 wrote to memory of 1556	1236	notepad.exe	notepad.exe
PID 1236 wrote to memory of 1556	1236	notepad.exe	notepad.exe
PID 1236 wrote to memory of 1556	1236	notepad.exe	notepad.exe
PID 1236 wrote to memory of 1556	1236	notepad.exe	notepad.exe
PID 1236 wrote to memory of 1556	1236	notepad.exe	notepad.exe
PID 1236 wrote to memory of 1556	1236	notepad.exe	notepad.exe
PID 1236 wrote to memory of 1556	1236	notepad.exe	notepad.exe
PID 1236 wrote to memory of 1408	1236	notepad.exe	windll.exe
PID 1236 wrote to memory of 1408	1236	notepad.exe	windll.exe
PID 1236 wrote to memory of 1408	1236	notepad.exe	windll.exe
PID 1236 wrote to memory of 1408	1236	notepad.exe	windll.exe

C:\Users\Admin\AppData\Local\Temp\7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe
"C:\Users\Admin\AppData\Local\Temp\7ce12277d8a1cf1571e742a7278333478c5c4bda817169df3ad546a31545097b.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:848
- C:\Windows\SysWOW64\notepad.exe
  "C:\Windows\SysWOW64\notepad.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1236
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    PID:1556
- - C:\Users\Admin\Documents\My picture\windll.exe
    "C:\Users\Admin\Documents\My picture\windll.exe"
    3⤵
    - Executes dropped EXE
    PID:1408

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\Documents\My picture\windll.exe

Filesize
175KB

MD5
d378bffb70923139d6a4f546864aa61c

SHA1
f00aa51c2ed8b2f656318fdc01ee1cf5441011a4

SHA256
c4232ddd4d37b9c0884bd44d8476578c54d7f98d58945728e425736a6a07e102

SHA512
7c09ec193d91d3cadb7e58c634b8666d8d6243b3ee7d4d4755eeb82bac62b9508e78aa3c53106bfe72d7a437f650b29a54116663e1b4da11613a30656cccc663

Download Submit
\Users\Admin\Documents\My picture\windll.exe

Filesize
175KB

MD5
d378bffb70923139d6a4f546864aa61c

SHA1
f00aa51c2ed8b2f656318fdc01ee1cf5441011a4

SHA256
c4232ddd4d37b9c0884bd44d8476578c54d7f98d58945728e425736a6a07e102

SHA512
7c09ec193d91d3cadb7e58c634b8666d8d6243b3ee7d4d4755eeb82bac62b9508e78aa3c53106bfe72d7a437f650b29a54116663e1b4da11613a30656cccc663

Download Submit
memory/848-54-0x00000000766F1000-0x00000000766F3000-memory.dmp

Filesize
8KB

Download
memory/1236-67-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-70-0x000000000048F888-mapping.dmp

Download
memory/1236-62-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-64-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-65-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-58-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-60-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-73-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-55-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-76-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1236-56-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1408-78-0x0000000000000000-mapping.dmp

Download
memory/1556-74-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads