darkcomet | c03cb8291a4f5ebf36f9d6f84dbf09b9b85db6861899a6fa987a745e139c2345

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
07-05-2024 08:39

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General

Target

200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Size

658KB
MD5

200e6c0799d3c3d62542da2146f01a32
SHA1

a559cc5fd25175dab696826cf22f16696b5708a3
SHA256

c03cb8291a4f5ebf36f9d6f84dbf09b9b85db6861899a6fa987a745e139c2345
SHA512

3b63bdade8fda80ab72d2ee1420e1ea65e0361f11b75f4b22d3c481bdd04b76d3aae86318455db572869a93813fdcd68dabd5095e75337eae95a0b804c9512ad
SSDEEP

12288:S9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hU:+Z1xuVVjfFoynPaVBUR8f+kN10EBa

Score

10^/10

darkcomet sid persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

SID

103.206.179.48:1604

Mutex

DCMIN_MUTEX-YKG7NFK

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
mwC9TErDn8c1
install
true
offline_keylogger
true
persistence
false
reg_key
DarkComet RAT

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

T1547.004

Modify Registry

T1112

Processes:

200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.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\\DCSCMIN\\IMDCSC.exe"	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

IMDCSC.exe

pid	Process
2224	IMDCSC.exe

Loads dropped DLL 2 IoCs

Processes:

200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe

pid	Process
2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exeIMDCSC.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: SeSecurityPrivilege	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: SeBackupPrivilege	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: SeRestorePrivilege	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: SeShutdownPrivilege	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: SeDebugPrivilege	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: SeUndockPrivilege	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: 33	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: 34	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: 35	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2224	IMDCSC.exe
Token: SeSecurityPrivilege	2224	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	2224	IMDCSC.exe
Token: SeLoadDriverPrivilege	2224	IMDCSC.exe
Token: SeSystemProfilePrivilege	2224	IMDCSC.exe
Token: SeSystemtimePrivilege	2224	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	2224	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	2224	IMDCSC.exe
Token: SeCreatePagefilePrivilege	2224	IMDCSC.exe
Token: SeBackupPrivilege	2224	IMDCSC.exe
Token: SeRestorePrivilege	2224	IMDCSC.exe
Token: SeShutdownPrivilege	2224	IMDCSC.exe
Token: SeDebugPrivilege	2224	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	2224	IMDCSC.exe
Token: SeChangeNotifyPrivilege	2224	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	2224	IMDCSC.exe
Token: SeUndockPrivilege	2224	IMDCSC.exe
Token: SeManageVolumePrivilege	2224	IMDCSC.exe
Token: SeImpersonatePrivilege	2224	IMDCSC.exe
Token: SeCreateGlobalPrivilege	2224	IMDCSC.exe
Token: 33	2224	IMDCSC.exe
Token: 34	2224	IMDCSC.exe
Token: 35	2224	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

IMDCSC.exe

pid	Process
2224	IMDCSC.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2364 wrote to memory of 2224	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe	28
PID 2364 wrote to memory of 2224	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe	28
PID 2364 wrote to memory of 2224	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe	28
PID 2364 wrote to memory of 2224	2364	200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\200e6c0799d3c3d62542da2146f01a32_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
  "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
658KB

MD5
200e6c0799d3c3d62542da2146f01a32

SHA1
a559cc5fd25175dab696826cf22f16696b5708a3

SHA256
c03cb8291a4f5ebf36f9d6f84dbf09b9b85db6861899a6fa987a745e139c2345

SHA512
3b63bdade8fda80ab72d2ee1420e1ea65e0361f11b75f4b22d3c481bdd04b76d3aae86318455db572869a93813fdcd68dabd5095e75337eae95a0b804c9512ad

Download Submit
memory/2224-10-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2224-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2224-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2364-0-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2364-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download