darkcomet | c29d545bd166e0fc8f641c4ba229bfe991bb35b66a87e41122af702007eb6e30

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
20-04-2024 04:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Size

658KB
MD5

fbec7cabbdc37ab96d398f3bab2e143d
SHA1

58b14d00f2c0437d658e8c9e29d11e619eb18738
SHA256

c29d545bd166e0fc8f641c4ba229bfe991bb35b66a87e41122af702007eb6e30
SHA512

cdf3f9a4478a93c5a1c3952fb35640b9e53638ecbd732beb1c47d4a80cae18850a8d1fde36f62bd8163fb9b33ec5de19ba8670fb7b174625a39b60fb6a1b7dd0
SSDEEP

12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hU:eZ1xuVVjfFoynPaVBUR8f+kN10EBO

Score

10^/10

darkcomet vitima persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

VITIMA

glock15.ddns.net:5000

Mutex

DC_MUTEX-VVVKDJP

Attributes

InstallPath
windows32\System.exe
gencode
w2qwQ6TxgE4M
install
true
offline_keylogger
true
persistence
true
reg_key
System

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

Processes:

fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\windows32\\System.exe"	fbec7cabbdc37ab96d398f3bab2e143d_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

Processes:

fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

System.exe

pid	Process
4828	System.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exeSystem.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\system32\\windows32\\System.exe"	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\system32\\windows32\\System.exe"	System.exe

Drops file in System32 directory 3 IoCs

Processes:

fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\windows32\System.exe	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\windows32\System.exe	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\windows32\	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exeSystem.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: SeSecurityPrivilege	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: SeBackupPrivilege	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: SeRestorePrivilege	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: SeShutdownPrivilege	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: SeDebugPrivilege	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: SeUndockPrivilege	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: 33	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: 34	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: 35	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: 36	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4828	System.exe
Token: SeSecurityPrivilege	4828	System.exe
Token: SeTakeOwnershipPrivilege	4828	System.exe
Token: SeLoadDriverPrivilege	4828	System.exe
Token: SeSystemProfilePrivilege	4828	System.exe
Token: SeSystemtimePrivilege	4828	System.exe
Token: SeProfSingleProcessPrivilege	4828	System.exe
Token: SeIncBasePriorityPrivilege	4828	System.exe
Token: SeCreatePagefilePrivilege	4828	System.exe
Token: SeBackupPrivilege	4828	System.exe
Token: SeRestorePrivilege	4828	System.exe
Token: SeShutdownPrivilege	4828	System.exe
Token: SeDebugPrivilege	4828	System.exe
Token: SeSystemEnvironmentPrivilege	4828	System.exe
Token: SeChangeNotifyPrivilege	4828	System.exe
Token: SeRemoteShutdownPrivilege	4828	System.exe
Token: SeUndockPrivilege	4828	System.exe
Token: SeManageVolumePrivilege	4828	System.exe
Token: SeImpersonatePrivilege	4828	System.exe
Token: SeCreateGlobalPrivilege	4828	System.exe
Token: 33	4828	System.exe
Token: 34	4828	System.exe
Token: 35	4828	System.exe
Token: 36	4828	System.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

System.exe

pid	Process
4828	System.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe

description	pid	Process	procid_target
PID 1256 wrote to memory of 4828	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe	85
PID 1256 wrote to memory of 4828	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe	85
PID 1256 wrote to memory of 4828	1256	fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Windows\SysWOW64\windows32\System.exe
  "C:\Windows\system32\windows32\System.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4828

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\windows32\System.exe

Filesize
658KB

MD5
fbec7cabbdc37ab96d398f3bab2e143d

SHA1
58b14d00f2c0437d658e8c9e29d11e619eb18738

SHA256
c29d545bd166e0fc8f641c4ba229bfe991bb35b66a87e41122af702007eb6e30

SHA512
cdf3f9a4478a93c5a1c3952fb35640b9e53638ecbd732beb1c47d4a80cae18850a8d1fde36f62bd8163fb9b33ec5de19ba8670fb7b174625a39b60fb6a1b7dd0

Download Submit
memory/1256-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1256-0-0x00000000007B0000-0x00000000007B1000-memory.dmp

Filesize
4KB

Download
memory/4828-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4828-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4828-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4828-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4828-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4828-13-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download
memory/4828-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4828-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4828-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4828-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4828-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4828-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4828-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4828-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4828-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download