darkcomet | 4392a8268cd739493b82299d2ea2d3b8ad4477eae7a3fb315680a34143be4250

Analysis

max time kernel
106s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 08:09

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General

Target

c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Size

723KB
MD5

c6bd86be460e4e8764d1933d098c6d8f
SHA1

ac09e4347cce81e7e0119ab145b07a8b28ff1f1c
SHA256

4392a8268cd739493b82299d2ea2d3b8ad4477eae7a3fb315680a34143be4250
SHA512

0897bc03942b7e8a2c0140d2537f5bacf39091e05ce20c775437fdfe467769f211f58b30f1373c9a1caaa3531173fccab716c65ec0d3fc3fc02de6411bcd4693
SSDEEP

12288:QFLlJnnbWOtz6sVJhvaz1Qc/WdI//vfM4qwrbkniafLo6vUTyl0w/q9jJr:A3nbWmJVJFwSddIXvfhqbiaxvRxq9h

Score

10^/10

darkcomet discovery persistence rat trojan

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

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"	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2800	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: SeSecurityPrivilege	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: SeBackupPrivilege	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: SeRestorePrivilege	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: SeShutdownPrivilege	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: SeDebugPrivilege	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: SeUndockPrivilege	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: 33	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: 34	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: 35	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2800	msdcsc.exe
Token: SeSecurityPrivilege	2800	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2800	msdcsc.exe
Token: SeLoadDriverPrivilege	2800	msdcsc.exe
Token: SeSystemProfilePrivilege	2800	msdcsc.exe
Token: SeSystemtimePrivilege	2800	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2800	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2800	msdcsc.exe
Token: SeCreatePagefilePrivilege	2800	msdcsc.exe
Token: SeBackupPrivilege	2800	msdcsc.exe
Token: SeRestorePrivilege	2800	msdcsc.exe
Token: SeShutdownPrivilege	2800	msdcsc.exe
Token: SeDebugPrivilege	2800	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2800	msdcsc.exe
Token: SeChangeNotifyPrivilege	2800	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2800	msdcsc.exe
Token: SeUndockPrivilege	2800	msdcsc.exe
Token: SeManageVolumePrivilege	2800	msdcsc.exe
Token: SeImpersonatePrivilege	2800	msdcsc.exe
Token: SeCreateGlobalPrivilege	2800	msdcsc.exe
Token: 33	2800	msdcsc.exe
Token: 34	2800	msdcsc.exe
Token: 35	2800	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2800	msdcsc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2800	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe	30
PID 2256 wrote to memory of 2800	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe	30
PID 2256 wrote to memory of 2800	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe	30
PID 2256 wrote to memory of 2800	2256	c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe	30
PID 2800 wrote to memory of 2868	2800	msdcsc.exe	31
PID 2800 wrote to memory of 2868	2800	msdcsc.exe	31
PID 2800 wrote to memory of 2868	2800	msdcsc.exe	31
PID 2800 wrote to memory of 2868	2800	msdcsc.exe	31
PID 2800 wrote to memory of 2860	2800	msdcsc.exe	32
PID 2800 wrote to memory of 2860	2800	msdcsc.exe	32
PID 2800 wrote to memory of 2860	2800	msdcsc.exe	32
PID 2800 wrote to memory of 2860	2800	msdcsc.exe	32

C:\Users\Admin\AppData\Local\Temp\c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c6bd86be460e4e8764d1933d098c6d8f_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2800
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:2868
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:2860

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
723KB

MD5
c6bd86be460e4e8764d1933d098c6d8f

SHA1
ac09e4347cce81e7e0119ab145b07a8b28ff1f1c

SHA256
4392a8268cd739493b82299d2ea2d3b8ad4477eae7a3fb315680a34143be4250

SHA512
0897bc03942b7e8a2c0140d2537f5bacf39091e05ce20c775437fdfe467769f211f58b30f1373c9a1caaa3531173fccab716c65ec0d3fc3fc02de6411bcd4693

Download Submit
memory/2256-0-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2256-11-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2800-18-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2800-20-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2800-14-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2800-16-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2800-17-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2800-12-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2800-19-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2800-15-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2800-21-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2800-22-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2800-23-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2800-24-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2800-25-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2800-26-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2800-27-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2800-28-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads