darkcomet | 5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043

Analysis

max time kernel
120s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 19:37

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General

Target

5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Size

698KB
MD5

aa75ed1b108fa4129d827209c70a0e65
SHA1

730af9657cb90becfe0c9a878f6d307b5bda1655
SHA256

5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043
SHA512

8aaf0c9e562a6e44f4a0d669575d057a583613260af4bfa7a22aec23632855b87eb505e666415dc520bf2ffb42b96b3f46c6909ae44176156095e83064989a21
SSDEEP

12288:uNAuo5DOxkhXzkJcX67+ET69NPA+qfnfaK3yXqkzIl+Me9Mp:uNrkhXzki6ql9mFfn53yXqEIl+4

Score

10^/10

darkcomet hf discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

darkred.servegame.com:4662

Mutex

DC_MUTEX-7B4EKNW

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
uwJhstfBog81
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\\msdcsc.exe"	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe

Executes dropped EXE 2 IoCs

pid	Process
1848	msdcsc.exe
2952	msdcsc.exe

Loads dropped DLL 3 IoCs

pid	Process
1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
1848	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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1984 set thread context of 1864	1984	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe	30
PID 1848 set thread context of 2952	1848	msdcsc.exe	32

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	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.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 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: SeSecurityPrivilege	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: SeTakeOwnershipPrivilege	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: SeLoadDriverPrivilege	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: SeSystemProfilePrivilege	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: SeSystemtimePrivilege	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: SeProfSingleProcessPrivilege	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: SeIncBasePriorityPrivilege	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: SeCreatePagefilePrivilege	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: SeBackupPrivilege	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: SeRestorePrivilege	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: SeShutdownPrivilege	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: SeDebugPrivilege	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: SeSystemEnvironmentPrivilege	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: SeChangeNotifyPrivilege	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: SeRemoteShutdownPrivilege	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: SeUndockPrivilege	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: SeManageVolumePrivilege	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: SeImpersonatePrivilege	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: SeCreateGlobalPrivilege	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: 33	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: 34	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: 35	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
Token: SeIncreaseQuotaPrivilege	2952	msdcsc.exe
Token: SeSecurityPrivilege	2952	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2952	msdcsc.exe
Token: SeLoadDriverPrivilege	2952	msdcsc.exe
Token: SeSystemProfilePrivilege	2952	msdcsc.exe
Token: SeSystemtimePrivilege	2952	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2952	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2952	msdcsc.exe
Token: SeCreatePagefilePrivilege	2952	msdcsc.exe
Token: SeBackupPrivilege	2952	msdcsc.exe
Token: SeRestorePrivilege	2952	msdcsc.exe
Token: SeShutdownPrivilege	2952	msdcsc.exe
Token: SeDebugPrivilege	2952	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2952	msdcsc.exe
Token: SeChangeNotifyPrivilege	2952	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2952	msdcsc.exe
Token: SeUndockPrivilege	2952	msdcsc.exe
Token: SeManageVolumePrivilege	2952	msdcsc.exe
Token: SeImpersonatePrivilege	2952	msdcsc.exe
Token: SeCreateGlobalPrivilege	2952	msdcsc.exe
Token: 33	2952	msdcsc.exe
Token: 34	2952	msdcsc.exe
Token: 35	2952	msdcsc.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1984	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
1848	msdcsc.exe
2952	msdcsc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 1864	1984	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe	30
PID 1984 wrote to memory of 1864	1984	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe	30
PID 1984 wrote to memory of 1864	1984	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe	30
PID 1984 wrote to memory of 1864	1984	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe	30
PID 1984 wrote to memory of 1864	1984	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe	30
PID 1984 wrote to memory of 1864	1984	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe	30
PID 1984 wrote to memory of 1864	1984	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe	30
PID 1984 wrote to memory of 1864	1984	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe	30
PID 1984 wrote to memory of 1864	1984	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe	30
PID 1984 wrote to memory of 1864	1984	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe	30
PID 1984 wrote to memory of 1864	1984	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe	30
PID 1984 wrote to memory of 1864	1984	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe	30
PID 1984 wrote to memory of 1864	1984	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe	30
PID 1864 wrote to memory of 1848	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe	31
PID 1864 wrote to memory of 1848	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe	31
PID 1864 wrote to memory of 1848	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe	31
PID 1864 wrote to memory of 1848	1864	5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe	31
PID 1848 wrote to memory of 2952	1848	msdcsc.exe	32
PID 1848 wrote to memory of 2952	1848	msdcsc.exe	32
PID 1848 wrote to memory of 2952	1848	msdcsc.exe	32
PID 1848 wrote to memory of 2952	1848	msdcsc.exe	32
PID 1848 wrote to memory of 2952	1848	msdcsc.exe	32
PID 1848 wrote to memory of 2952	1848	msdcsc.exe	32
PID 1848 wrote to memory of 2952	1848	msdcsc.exe	32
PID 1848 wrote to memory of 2952	1848	msdcsc.exe	32
PID 1848 wrote to memory of 2952	1848	msdcsc.exe	32
PID 1848 wrote to memory of 2952	1848	msdcsc.exe	32
PID 1848 wrote to memory of 2952	1848	msdcsc.exe	32
PID 1848 wrote to memory of 2952	1848	msdcsc.exe	32
PID 1848 wrote to memory of 2952	1848	msdcsc.exe	32

C:\Users\Admin\AppData\Local\Temp\5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
"C:\Users\Admin\AppData\Local\Temp\5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Users\Admin\AppData\Local\Temp\5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
  "C:\Users\Admin\AppData\Local\Temp\5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1864
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1848
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.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:2952

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

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

\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
698KB

MD5
aa75ed1b108fa4129d827209c70a0e65

SHA1
730af9657cb90becfe0c9a878f6d307b5bda1655

SHA256
5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043

SHA512
8aaf0c9e562a6e44f4a0d669575d057a583613260af4bfa7a22aec23632855b87eb505e666415dc520bf2ffb42b96b3f46c6909ae44176156095e83064989a21

Download Submit
memory/1848-58-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1848-39-0x00000000003B0000-0x00000000003D1000-memory.dmp

Filesize
132KB

Download
memory/1864-33-0x00000000035F0000-0x0000000003611000-memory.dmp

Filesize
132KB

Download
memory/1864-8-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1864-32-0x00000000035F0000-0x0000000003611000-memory.dmp

Filesize
132KB

Download
memory/1864-3-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1864-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1864-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1864-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1864-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1864-11-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1864-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1864-9-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1864-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1864-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1864-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1864-6-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1864-62-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1864-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1984-19-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1984-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1984-5-0x0000000000310000-0x0000000000331000-memory.dmp

Filesize
132KB

Download
memory/2952-66-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2952-67-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2952-61-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2952-59-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2952-64-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2952-65-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2952-56-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2952-60-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2952-68-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2952-69-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2952-70-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2952-71-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2952-72-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2952-73-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2952-74-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2952-75-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads