darkcomet | 76d4f4a54e7e434f0123309dffe0bdef21867248d57d37239da5b8488a1a1fd4

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
25/06/2024, 00:43

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General

Target
0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Size 660KB
Sample240625-a3afravajj
SHA256 76d4f4a54e7e434f0123309dffe0bdef21867248d57d37239da5b8488a1a1fd4
MD5 0b97c31580e8184a90776d2b3014ff8c
SHA1 117cb6b287d42ae9867b85412087a35d98032e5f
SHA512 be4fa67675df3610a77471281301c39f88a37a1403c8285120e7a2f468bdfd5553cb5a0ed0be7c7555bc60518da1e19e987381e24916f9623b7b89340285156f
SSDEEP 12288:VXGJVHMxtDaSm3TJvVNvWV5YTsY7tHwbz/hYfcoCoKENGz7uG/gJ+:Z8sWSm39NNv9wY7tHwbWfIoKECLX
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet persistence rat trojan

Malware Config

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

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"	0b97c31580e8184a90776d2b3014ff8c_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-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
644	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
4240	msdcsc.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-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: SeSecurityPrivilege	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: SeBackupPrivilege	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: SeRestorePrivilege	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: SeShutdownPrivilege	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: SeDebugPrivilege	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: SeUndockPrivilege	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: SeManageVolumePrivilege	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: SeImpersonatePrivilege	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: 33	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: 34	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: 35	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: 36	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4240	msdcsc.exe
Token: SeSecurityPrivilege	4240	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4240	msdcsc.exe
Token: SeLoadDriverPrivilege	4240	msdcsc.exe
Token: SeSystemProfilePrivilege	4240	msdcsc.exe
Token: SeSystemtimePrivilege	4240	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4240	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4240	msdcsc.exe
Token: SeCreatePagefilePrivilege	4240	msdcsc.exe
Token: SeBackupPrivilege	4240	msdcsc.exe
Token: SeRestorePrivilege	4240	msdcsc.exe
Token: SeShutdownPrivilege	4240	msdcsc.exe
Token: SeDebugPrivilege	4240	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4240	msdcsc.exe
Token: SeChangeNotifyPrivilege	4240	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4240	msdcsc.exe
Token: SeUndockPrivilege	4240	msdcsc.exe
Token: SeManageVolumePrivilege	4240	msdcsc.exe
Token: SeImpersonatePrivilege	4240	msdcsc.exe
Token: SeCreateGlobalPrivilege	4240	msdcsc.exe
Token: 33	4240	msdcsc.exe
Token: 34	4240	msdcsc.exe
Token: 35	4240	msdcsc.exe
Token: 36	4240	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4240	msdcsc.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3460 wrote to memory of 644	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe	83
PID 3460 wrote to memory of 644	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe	83
PID 3460 wrote to memory of 644	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe	83
PID 3460 wrote to memory of 644	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe	83
PID 3460 wrote to memory of 644	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe	83
PID 3460 wrote to memory of 644	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe	83
PID 3460 wrote to memory of 644	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe	83
PID 3460 wrote to memory of 644	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe	83
PID 3460 wrote to memory of 644	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe	83
PID 3460 wrote to memory of 644	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe	83
PID 3460 wrote to memory of 644	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe	83
PID 3460 wrote to memory of 644	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe	83
PID 3460 wrote to memory of 644	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe	83
PID 3460 wrote to memory of 644	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe	83
PID 3460 wrote to memory of 644	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe	83
PID 3460 wrote to memory of 644	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe	83
PID 3460 wrote to memory of 644	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe	83
PID 3460 wrote to memory of 4240	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe	84
PID 3460 wrote to memory of 4240	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe	84
PID 3460 wrote to memory of 4240	3460	0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0b97c31580e8184a90776d2b3014ff8c_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3460
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  PID:644
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4240

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

msdcsc.exe

Path C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Size 660KB
SHA256 76d4f4a54e7e434f0123309dffe0bdef21867248d57d37239da5b8488a1a1fd4
MD5 0b97c31580e8184a90776d2b3014ff8c
SHA1 117cb6b287d42ae9867b85412087a35d98032e5f
SHA512 be4fa67675df3610a77471281301c39f88a37a1403c8285120e7a2f468bdfd5553cb5a0ed0be7c7555bc60518da1e19e987381e24916f9623b7b89340285156f
SSDEEP 12288:VXGJVHMxtDaSm3TJvVNvWV5YTsY7tHwbz/hYfcoCoKENGz7uG/gJ+:Z8sWSm39NNv9wY7tHwbWfIoKECLX
MD5 SHA1 SHA512 SSDEEP

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memory/644-4-0x0000000000520000-0x0000000000521000-memory.dmp

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memory/3460-0-0x0000000002130000-0x0000000002131000-memory.dmp

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memory/3460-36-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/4240-42-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/4240-45-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/4240-40-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/4240-41-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/4240-37-0x0000000002700000-0x0000000002701000-memory.dmp

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memory/4240-43-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/4240-44-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/4240-39-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/4240-46-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/4240-47-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/4240-48-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/4240-49-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/4240-50-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/4240-51-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/4240-52-0x0000000000400000-0x00000000004B4000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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