darkcomet | ef4c000a5ae1cf0bf4beb6cccbdf400ce23f22e65009f182ccdd1dab73c65e25

Analysis

max time kernel
149s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2024 11:09

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General

Target

9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Size

732KB
MD5

9b1a67e666a0c2eca43548a7c522f569
SHA1

168cd0433734a4d15d7629c3adba5e775eb216c6
SHA256

ef4c000a5ae1cf0bf4beb6cccbdf400ce23f22e65009f182ccdd1dab73c65e25
SHA512

0483cae966b7f35ec14b524492efd416d31288b9a44d44e0198546813bcedc3d243b2e0712b793caa194837a331c1ed9e1962a8686983d43fb161090a9a525a2
SSDEEP

12288:bCX3Ck/9duMKjzD4IAvy21dVzJgfuCSPokOFLsoPz2SqqkqUcQxbBhJ8:b83hmMoD4GspJcNSgke45SRefbBhJ8

Score

10^/10

darkcomet guest16_min discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

127.0.0.1:1604

Mutex

DCMIN_MUTEX-Y280A3J

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
tHZqRMSyWCop
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
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\\DCSCMIN\\IMDCSC.exe"	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4796	IMDCSC.exe
4872	IMDCSC.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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3940 set thread context of 1376	3940	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe	83
PID 4796 set thread context of 4872	4796	IMDCSC.exe	85

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 4 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	IMDCSC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: SeSecurityPrivilege	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: SeBackupPrivilege	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: SeRestorePrivilege	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: SeShutdownPrivilege	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: SeDebugPrivilege	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: SeUndockPrivilege	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: 33	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: 34	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: 35	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: 36	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4872	IMDCSC.exe
Token: SeSecurityPrivilege	4872	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	4872	IMDCSC.exe
Token: SeLoadDriverPrivilege	4872	IMDCSC.exe
Token: SeSystemProfilePrivilege	4872	IMDCSC.exe
Token: SeSystemtimePrivilege	4872	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	4872	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	4872	IMDCSC.exe
Token: SeCreatePagefilePrivilege	4872	IMDCSC.exe
Token: SeBackupPrivilege	4872	IMDCSC.exe
Token: SeRestorePrivilege	4872	IMDCSC.exe
Token: SeShutdownPrivilege	4872	IMDCSC.exe
Token: SeDebugPrivilege	4872	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	4872	IMDCSC.exe
Token: SeChangeNotifyPrivilege	4872	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	4872	IMDCSC.exe
Token: SeUndockPrivilege	4872	IMDCSC.exe
Token: SeManageVolumePrivilege	4872	IMDCSC.exe
Token: SeImpersonatePrivilege	4872	IMDCSC.exe
Token: SeCreateGlobalPrivilege	4872	IMDCSC.exe
Token: 33	4872	IMDCSC.exe
Token: 34	4872	IMDCSC.exe
Token: 35	4872	IMDCSC.exe
Token: 36	4872	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4872	IMDCSC.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 1376	3940	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe	83
PID 3940 wrote to memory of 1376	3940	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe	83
PID 3940 wrote to memory of 1376	3940	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe	83
PID 3940 wrote to memory of 1376	3940	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe	83
PID 3940 wrote to memory of 1376	3940	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe	83
PID 3940 wrote to memory of 1376	3940	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe	83
PID 3940 wrote to memory of 1376	3940	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe	83
PID 3940 wrote to memory of 1376	3940	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe	83
PID 3940 wrote to memory of 1376	3940	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe	83
PID 3940 wrote to memory of 1376	3940	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe	83
PID 3940 wrote to memory of 1376	3940	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe	83
PID 3940 wrote to memory of 1376	3940	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe	83
PID 3940 wrote to memory of 1376	3940	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe	83
PID 3940 wrote to memory of 1376	3940	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe	83
PID 1376 wrote to memory of 4796	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe	84
PID 1376 wrote to memory of 4796	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe	84
PID 1376 wrote to memory of 4796	1376	9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe	84
PID 4796 wrote to memory of 4872	4796	IMDCSC.exe	85
PID 4796 wrote to memory of 4872	4796	IMDCSC.exe	85
PID 4796 wrote to memory of 4872	4796	IMDCSC.exe	85
PID 4796 wrote to memory of 4872	4796	IMDCSC.exe	85
PID 4796 wrote to memory of 4872	4796	IMDCSC.exe	85
PID 4796 wrote to memory of 4872	4796	IMDCSC.exe	85
PID 4796 wrote to memory of 4872	4796	IMDCSC.exe	85
PID 4796 wrote to memory of 4872	4796	IMDCSC.exe	85
PID 4796 wrote to memory of 4872	4796	IMDCSC.exe	85
PID 4796 wrote to memory of 4872	4796	IMDCSC.exe	85
PID 4796 wrote to memory of 4872	4796	IMDCSC.exe	85
PID 4796 wrote to memory of 4872	4796	IMDCSC.exe	85
PID 4796 wrote to memory of 4872	4796	IMDCSC.exe	85
PID 4796 wrote to memory of 4872	4796	IMDCSC.exe	85

C:\Users\Admin\AppData\Local\Temp\9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3940
- C:\Users\Admin\AppData\Local\Temp\9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\9b1a67e666a0c2eca43548a7c522f569_JaffaCakes118.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1376
- - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
    "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4796
  - - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
      "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:4872

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

Query Registry

T1012

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

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

Filesize
732KB

MD5
9b1a67e666a0c2eca43548a7c522f569

SHA1
168cd0433734a4d15d7629c3adba5e775eb216c6

SHA256
ef4c000a5ae1cf0bf4beb6cccbdf400ce23f22e65009f182ccdd1dab73c65e25

SHA512
0483cae966b7f35ec14b524492efd416d31288b9a44d44e0198546813bcedc3d243b2e0712b793caa194837a331c1ed9e1962a8686983d43fb161090a9a525a2

Download Submit
memory/1376-1-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1376-0-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1376-2-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1376-3-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1376-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1376-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4872-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4872-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4872-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4872-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4872-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4872-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4872-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4872-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4872-33-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4872-35-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads