darkcomet | 80dd309638e1ab53050b7d313ef34e0591095c0f873366c8343f07e481aa51ed

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 17:17

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General

Target

JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Size

1.0MB
MD5

66c8b6e79111811bb5d1a6347ea5a2c7
SHA1

f776ce50d7276e7d853237be8c461630642d2492
SHA256

80dd309638e1ab53050b7d313ef34e0591095c0f873366c8343f07e481aa51ed
SHA512

55c94d0c826b2e0144a6372ad9da0416602bc1477f2532683f3d2aee8133783393f30d146e26e8be44a813ea4a0544e59bf4d792096d953aa7a550bce74400f6
SSDEEP

24576:qMwVWG/If9sOc3/gqNx5FGGwAKSFZzr5APUTF/gOF:q5W5u5FpTKIB5A8R

Score

10^/10

darkcomet skynet discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Skynet

spicial-k.no-ip.biz:1604

Mutex

DC_MUTEX-Q8PJ2G1

Attributes

InstallPath
MSDCSC\Skynet123.exe
gencode
YWGkPfoaNlzg
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
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\\Skynet123.exe"	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe

Executes dropped EXE 2 IoCs

pid	Process
4676	Skynet123.exe
4472	Skynet123.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\Skynet123.exe"	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\Skynet123.exe"	Skynet123.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1616 set thread context of 1320	1616	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	83
PID 4676 set thread context of 4472	4676	Skynet123.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	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Skynet123.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Skynet123.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeSecurityPrivilege	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeTakeOwnershipPrivilege	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeLoadDriverPrivilege	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeSystemProfilePrivilege	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeSystemtimePrivilege	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeProfSingleProcessPrivilege	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeIncBasePriorityPrivilege	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeCreatePagefilePrivilege	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeBackupPrivilege	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeRestorePrivilege	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeShutdownPrivilege	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeDebugPrivilege	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeSystemEnvironmentPrivilege	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeChangeNotifyPrivilege	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeRemoteShutdownPrivilege	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeUndockPrivilege	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeManageVolumePrivilege	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeImpersonatePrivilege	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeCreateGlobalPrivilege	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: 33	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: 34	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: 35	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: 36	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeIncreaseQuotaPrivilege	4472	Skynet123.exe
Token: SeSecurityPrivilege	4472	Skynet123.exe
Token: SeTakeOwnershipPrivilege	4472	Skynet123.exe
Token: SeLoadDriverPrivilege	4472	Skynet123.exe
Token: SeSystemProfilePrivilege	4472	Skynet123.exe
Token: SeSystemtimePrivilege	4472	Skynet123.exe
Token: SeProfSingleProcessPrivilege	4472	Skynet123.exe
Token: SeIncBasePriorityPrivilege	4472	Skynet123.exe
Token: SeCreatePagefilePrivilege	4472	Skynet123.exe
Token: SeBackupPrivilege	4472	Skynet123.exe
Token: SeRestorePrivilege	4472	Skynet123.exe
Token: SeShutdownPrivilege	4472	Skynet123.exe
Token: SeDebugPrivilege	4472	Skynet123.exe
Token: SeSystemEnvironmentPrivilege	4472	Skynet123.exe
Token: SeChangeNotifyPrivilege	4472	Skynet123.exe
Token: SeRemoteShutdownPrivilege	4472	Skynet123.exe
Token: SeUndockPrivilege	4472	Skynet123.exe
Token: SeManageVolumePrivilege	4472	Skynet123.exe
Token: SeImpersonatePrivilege	4472	Skynet123.exe
Token: SeCreateGlobalPrivilege	4472	Skynet123.exe
Token: 33	4472	Skynet123.exe
Token: 34	4472	Skynet123.exe
Token: 35	4472	Skynet123.exe
Token: 36	4472	Skynet123.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4472	Skynet123.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 1320	1616	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	83
PID 1616 wrote to memory of 1320	1616	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	83
PID 1616 wrote to memory of 1320	1616	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	83
PID 1616 wrote to memory of 1320	1616	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	83
PID 1616 wrote to memory of 1320	1616	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	83
PID 1616 wrote to memory of 1320	1616	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	83
PID 1616 wrote to memory of 1320	1616	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	83
PID 1616 wrote to memory of 1320	1616	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	83
PID 1616 wrote to memory of 1320	1616	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	83
PID 1616 wrote to memory of 1320	1616	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	83
PID 1616 wrote to memory of 1320	1616	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	83
PID 1616 wrote to memory of 1320	1616	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	83
PID 1616 wrote to memory of 1320	1616	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	83
PID 1616 wrote to memory of 1320	1616	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	83
PID 1320 wrote to memory of 4676	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	84
PID 1320 wrote to memory of 4676	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	84
PID 1320 wrote to memory of 4676	1320	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	84
PID 4676 wrote to memory of 4472	4676	Skynet123.exe	85
PID 4676 wrote to memory of 4472	4676	Skynet123.exe	85
PID 4676 wrote to memory of 4472	4676	Skynet123.exe	85
PID 4676 wrote to memory of 4472	4676	Skynet123.exe	85
PID 4676 wrote to memory of 4472	4676	Skynet123.exe	85
PID 4676 wrote to memory of 4472	4676	Skynet123.exe	85
PID 4676 wrote to memory of 4472	4676	Skynet123.exe	85
PID 4676 wrote to memory of 4472	4676	Skynet123.exe	85
PID 4676 wrote to memory of 4472	4676	Skynet123.exe	85
PID 4676 wrote to memory of 4472	4676	Skynet123.exe	85
PID 4676 wrote to memory of 4472	4676	Skynet123.exe	85
PID 4676 wrote to memory of 4472	4676	Skynet123.exe	85
PID 4676 wrote to memory of 4472	4676	Skynet123.exe	85
PID 4676 wrote to memory of 4472	4676	Skynet123.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.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:1320
- - C:\Users\Admin\Documents\MSDCSC\Skynet123.exe
    "C:\Users\Admin\Documents\MSDCSC\Skynet123.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4676
  - - C:\Users\Admin\Documents\MSDCSC\Skynet123.exe
      C:\Users\Admin\Documents\MSDCSC\Skynet123.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:4472

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\MSDCSC\Skynet123.exe

Filesize
1.0MB

MD5
66c8b6e79111811bb5d1a6347ea5a2c7

SHA1
f776ce50d7276e7d853237be8c461630642d2492

SHA256
80dd309638e1ab53050b7d313ef34e0591095c0f873366c8343f07e481aa51ed

SHA512
55c94d0c826b2e0144a6372ad9da0416602bc1477f2532683f3d2aee8133783393f30d146e26e8be44a813ea4a0544e59bf4d792096d953aa7a550bce74400f6

Download Submit
memory/1320-28-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1320-2-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1320-3-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1320-4-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1320-5-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1320-6-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1616-1-0x0000000002370000-0x0000000002374000-memory.dmp

Filesize
16KB

Download
memory/1616-0-0x0000000002250000-0x0000000002251000-memory.dmp

Filesize
4KB

Download
memory/4472-38-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4472-39-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4472-24-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4472-27-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4472-26-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4472-25-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4472-45-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4472-30-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4472-31-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4472-32-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4472-33-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4472-34-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4472-35-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4472-36-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4472-37-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4472-44-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4472-23-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4472-40-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4472-41-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4472-42-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4472-43-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4676-17-0x0000000000400000-0x000000000050B000-memory.dmp

Filesize
1.0MB

Download
memory/4676-22-0x0000000000400000-0x000000000050B000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads