darkcomet | 8e253716ab5ef33e07f2a2b922d2d820e84f2bdfa714e20601892baebddb2783

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2024 20:40

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General

Target

d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Size

976KB
MD5

d385e227d4ea2c72930ea472d89619b2
SHA1

1abc99de85193f01da5c98827c166c57392f78a5
SHA256

8e253716ab5ef33e07f2a2b922d2d820e84f2bdfa714e20601892baebddb2783
SHA512

76b4fc960c44b79187cd49417b77964d0366693efb6e15eb00d4a1befe380886d8a3b979496fe0f180432d670f9cecf28fd4e7d16a87ef7810cf1ba4afca8d45
SSDEEP

24576:7BgymA1F+WX8vXluMPVlj+ngLNwTmJM8Db5iivU:Z1p8ASUmS8ZY

Score

10^/10

darkcomet discovery evasion 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"	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe

Modifies firewall policy service 3 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	msdcsc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	msdcsc.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
3616	msdcsc.exe
1724	msdcsc.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2860 set thread context of 2968	2860	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	83
PID 3616 set thread context of 1724	3616	msdcsc.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	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeSecurityPrivilege	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeBackupPrivilege	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeRestorePrivilege	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeShutdownPrivilege	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeDebugPrivilege	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeUndockPrivilege	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: 33	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: 34	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: 35	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: 36	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1724	msdcsc.exe
Token: SeSecurityPrivilege	1724	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1724	msdcsc.exe
Token: SeLoadDriverPrivilege	1724	msdcsc.exe
Token: SeSystemProfilePrivilege	1724	msdcsc.exe
Token: SeSystemtimePrivilege	1724	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1724	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1724	msdcsc.exe
Token: SeCreatePagefilePrivilege	1724	msdcsc.exe
Token: SeBackupPrivilege	1724	msdcsc.exe
Token: SeRestorePrivilege	1724	msdcsc.exe
Token: SeShutdownPrivilege	1724	msdcsc.exe
Token: SeDebugPrivilege	1724	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1724	msdcsc.exe
Token: SeChangeNotifyPrivilege	1724	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1724	msdcsc.exe
Token: SeUndockPrivilege	1724	msdcsc.exe
Token: SeManageVolumePrivilege	1724	msdcsc.exe
Token: SeImpersonatePrivilege	1724	msdcsc.exe
Token: SeCreateGlobalPrivilege	1724	msdcsc.exe
Token: 33	1724	msdcsc.exe
Token: 34	1724	msdcsc.exe
Token: 35	1724	msdcsc.exe
Token: 36	1724	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1724	msdcsc.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2968	2860	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	83
PID 2860 wrote to memory of 2968	2860	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	83
PID 2860 wrote to memory of 2968	2860	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	83
PID 2860 wrote to memory of 2968	2860	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	83
PID 2860 wrote to memory of 2968	2860	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	83
PID 2860 wrote to memory of 2968	2860	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	83
PID 2860 wrote to memory of 2968	2860	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	83
PID 2860 wrote to memory of 2968	2860	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	83
PID 2860 wrote to memory of 2968	2860	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	83
PID 2860 wrote to memory of 2968	2860	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	83
PID 2860 wrote to memory of 2968	2860	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	83
PID 2860 wrote to memory of 2968	2860	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	83
PID 2860 wrote to memory of 2968	2860	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	83
PID 2860 wrote to memory of 2968	2860	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	83
PID 2968 wrote to memory of 3616	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	84
PID 2968 wrote to memory of 3616	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	84
PID 2968 wrote to memory of 3616	2968	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	84
PID 3616 wrote to memory of 1724	3616	msdcsc.exe	85
PID 3616 wrote to memory of 1724	3616	msdcsc.exe	85
PID 3616 wrote to memory of 1724	3616	msdcsc.exe	85
PID 3616 wrote to memory of 1724	3616	msdcsc.exe	85
PID 3616 wrote to memory of 1724	3616	msdcsc.exe	85
PID 3616 wrote to memory of 1724	3616	msdcsc.exe	85
PID 3616 wrote to memory of 1724	3616	msdcsc.exe	85
PID 3616 wrote to memory of 1724	3616	msdcsc.exe	85
PID 3616 wrote to memory of 1724	3616	msdcsc.exe	85
PID 3616 wrote to memory of 1724	3616	msdcsc.exe	85
PID 3616 wrote to memory of 1724	3616	msdcsc.exe	85
PID 3616 wrote to memory of 1724	3616	msdcsc.exe	85
PID 3616 wrote to memory of 1724	3616	msdcsc.exe	85
PID 3616 wrote to memory of 1724	3616	msdcsc.exe	85

C:\Users\Admin\AppData\Local\Temp\d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Users\Admin\AppData\Local\Temp\d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d385e227d4ea2c72930ea472d89619b2_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:2968
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3616
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      4⤵
      Modifies firewall policy service
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1724

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

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\msdcsc.exe

Filesize
976KB

MD5
d385e227d4ea2c72930ea472d89619b2

SHA1
1abc99de85193f01da5c98827c166c57392f78a5

SHA256
8e253716ab5ef33e07f2a2b922d2d820e84f2bdfa714e20601892baebddb2783

SHA512
76b4fc960c44b79187cd49417b77964d0366693efb6e15eb00d4a1befe380886d8a3b979496fe0f180432d670f9cecf28fd4e7d16a87ef7810cf1ba4afca8d45

Download Submit
memory/1724-48-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1724-47-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1724-39-0x0000000002070000-0x0000000002071000-memory.dmp

Filesize
4KB

Download
memory/1724-55-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1724-41-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1724-53-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1724-42-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1724-52-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1724-51-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1724-50-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1724-49-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1724-46-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1724-37-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1724-45-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1724-56-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1724-54-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1724-44-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1724-40-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1724-43-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2860-11-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download
memory/2968-8-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2968-24-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2968-10-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2968-1-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2968-4-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2968-0-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2968-6-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2968-13-0x0000000002370000-0x0000000002371000-memory.dmp

Filesize
4KB

Download
memory/2968-2-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2968-12-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2968-7-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/3616-38-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads