darkcomet | 5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 11:02

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General

Target

5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Size

698KB
MD5

e7bf586931696e85f6bf960c11388c00
SHA1

b51ec209dc82f67ea163a5d3549b7c2a47f0345d
SHA256

5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47
SHA512

9e6b128e2f66bb0e2608ddaf5f191e8c766504f1ca6b41f499d0e6afb52f4c94624fbcb484d8c3166b3a2723d8e249313cbddb7a887506192b112cd724c6112e
SSDEEP

12288:uNAuo5DOxkhXzkJcX67+ET69NPA+qfnfaK3yXqkzIl+Me9MZ: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"	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe

Executes dropped EXE 2 IoCs

pid	Process
2716	msdcsc.exe
2808	msdcsc.exe

Loads dropped DLL 3 IoCs

pid	Process
1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
2716	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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\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 2364 set thread context of 1912	2364	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe	30
PID 2716 set thread context of 2808	2716	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	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.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	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: SeSecurityPrivilege	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: SeTakeOwnershipPrivilege	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: SeLoadDriverPrivilege	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: SeSystemProfilePrivilege	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: SeSystemtimePrivilege	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: SeProfSingleProcessPrivilege	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: SeIncBasePriorityPrivilege	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: SeCreatePagefilePrivilege	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: SeBackupPrivilege	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: SeRestorePrivilege	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: SeShutdownPrivilege	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: SeDebugPrivilege	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: SeSystemEnvironmentPrivilege	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: SeChangeNotifyPrivilege	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: SeRemoteShutdownPrivilege	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: SeUndockPrivilege	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: SeManageVolumePrivilege	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: SeImpersonatePrivilege	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: SeCreateGlobalPrivilege	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: 33	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: 34	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: 35	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
Token: SeIncreaseQuotaPrivilege	2808	msdcsc.exe
Token: SeSecurityPrivilege	2808	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2808	msdcsc.exe
Token: SeLoadDriverPrivilege	2808	msdcsc.exe
Token: SeSystemProfilePrivilege	2808	msdcsc.exe
Token: SeSystemtimePrivilege	2808	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2808	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2808	msdcsc.exe
Token: SeCreatePagefilePrivilege	2808	msdcsc.exe
Token: SeBackupPrivilege	2808	msdcsc.exe
Token: SeRestorePrivilege	2808	msdcsc.exe
Token: SeShutdownPrivilege	2808	msdcsc.exe
Token: SeDebugPrivilege	2808	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2808	msdcsc.exe
Token: SeChangeNotifyPrivilege	2808	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2808	msdcsc.exe
Token: SeUndockPrivilege	2808	msdcsc.exe
Token: SeManageVolumePrivilege	2808	msdcsc.exe
Token: SeImpersonatePrivilege	2808	msdcsc.exe
Token: SeCreateGlobalPrivilege	2808	msdcsc.exe
Token: 33	2808	msdcsc.exe
Token: 34	2808	msdcsc.exe
Token: 35	2808	msdcsc.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2364	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
2716	msdcsc.exe
2808	msdcsc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 1912	2364	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe	30
PID 2364 wrote to memory of 1912	2364	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe	30
PID 2364 wrote to memory of 1912	2364	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe	30
PID 2364 wrote to memory of 1912	2364	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe	30
PID 2364 wrote to memory of 1912	2364	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe	30
PID 2364 wrote to memory of 1912	2364	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe	30
PID 2364 wrote to memory of 1912	2364	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe	30
PID 2364 wrote to memory of 1912	2364	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe	30
PID 2364 wrote to memory of 1912	2364	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe	30
PID 2364 wrote to memory of 1912	2364	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe	30
PID 2364 wrote to memory of 1912	2364	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe	30
PID 2364 wrote to memory of 1912	2364	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe	30
PID 2364 wrote to memory of 1912	2364	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe	30
PID 1912 wrote to memory of 2716	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe	31
PID 1912 wrote to memory of 2716	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe	31
PID 1912 wrote to memory of 2716	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe	31
PID 1912 wrote to memory of 2716	1912	5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe	31
PID 2716 wrote to memory of 2808	2716	msdcsc.exe	32
PID 2716 wrote to memory of 2808	2716	msdcsc.exe	32
PID 2716 wrote to memory of 2808	2716	msdcsc.exe	32
PID 2716 wrote to memory of 2808	2716	msdcsc.exe	32
PID 2716 wrote to memory of 2808	2716	msdcsc.exe	32
PID 2716 wrote to memory of 2808	2716	msdcsc.exe	32
PID 2716 wrote to memory of 2808	2716	msdcsc.exe	32
PID 2716 wrote to memory of 2808	2716	msdcsc.exe	32
PID 2716 wrote to memory of 2808	2716	msdcsc.exe	32
PID 2716 wrote to memory of 2808	2716	msdcsc.exe	32
PID 2716 wrote to memory of 2808	2716	msdcsc.exe	32
PID 2716 wrote to memory of 2808	2716	msdcsc.exe	32
PID 2716 wrote to memory of 2808	2716	msdcsc.exe	32

C:\Users\Admin\AppData\Local\Temp\5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
"C:\Users\Admin\AppData\Local\Temp\5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\AppData\Local\Temp\5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.exe
  "C:\Users\Admin\AppData\Local\Temp\5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47N.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:1912
- - 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:2716
  - - 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:2808

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
e7bf586931696e85f6bf960c11388c00

SHA1
b51ec209dc82f67ea163a5d3549b7c2a47f0345d

SHA256
5361164dccc21a47eda74b90fde59434d7b0f9139b5ff078e626afb19828bd47

SHA512
9e6b128e2f66bb0e2608ddaf5f191e8c766504f1ca6b41f499d0e6afb52f4c94624fbcb484d8c3166b3a2723d8e249313cbddb7a887506192b112cd724c6112e

Download Submit
memory/1912-31-0x0000000002180000-0x00000000021A1000-memory.dmp

Filesize
132KB

Download
memory/1912-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1912-32-0x0000000002180000-0x00000000021A1000-memory.dmp

Filesize
132KB

Download
memory/1912-66-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1912-11-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1912-9-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1912-7-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1912-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1912-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1912-5-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1912-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1912-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1912-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1912-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1912-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1912-3-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1912-8-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2364-18-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2364-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2716-60-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2808-70-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2808-71-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2808-65-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2808-64-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2808-68-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2808-69-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2808-62-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2808-63-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2808-72-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2808-73-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2808-74-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2808-75-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2808-76-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2808-77-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2808-78-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2808-79-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads