darkcomet | 2daceb62312f99c4dd461400d8edf9d60df08a960744804c57db80f80a1af73a

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
29/03/2025, 18:43

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General

Target

JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Size

1.3MB
MD5

927a4dcb9526b2e79dc6d11e67eef066
SHA1

3803682042ee1d5521aae4dbf6d972c21fc75a7e
SHA256

2daceb62312f99c4dd461400d8edf9d60df08a960744804c57db80f80a1af73a
SHA512

18256255b8e2f1d6a0ee969a05ef7ab16f8ed58de156a8b93bdef9fd856e19d4052638ee890128af785936b1acf573f7eb389eac50c64267d61ceb5e7724c32d
SSDEEP

24576:YUKoN0bUxgGa/pfBHDb+y1HgZ8lVlNMeeaPqmZC/CTLqI6i:LK1A6C7eXXw/CP4i

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

lastdede.zapto.org:81

Mutex

DC_MUTEX-F54S21D

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
v-.=-u.dMS00
install
true
offline_keylogger
true
persistence
false
reg_key
MicroUpdate

rc4.plain

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"	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-869607583-2483572573-2297019986-1000\Control Panel\International\Geo\Nation	msdcsc.exe
Key value queried	\REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000\Control Panel\International\Geo\Nation	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe

Executes dropped EXE 2 IoCs

pid	Process
3612	msdcsc.exe
4228	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-1-5-21-869607583-2483572573-2297019986-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3612 set thread context of 1652	3612	msdcsc.exe	95

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	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000_Classes\Local Settings	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Key created	\REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000_Classes\Local Settings	msdcsc.exe
Key created	\REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000_Classes\Local Settings	iexplore.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3828	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3828	vlc.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: SeSecurityPrivilege	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: SeTakeOwnershipPrivilege	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: SeLoadDriverPrivilege	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: SeSystemProfilePrivilege	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: SeSystemtimePrivilege	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: SeProfSingleProcessPrivilege	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: SeIncBasePriorityPrivilege	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: SeCreatePagefilePrivilege	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: SeBackupPrivilege	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: SeRestorePrivilege	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: SeShutdownPrivilege	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: SeDebugPrivilege	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: SeSystemEnvironmentPrivilege	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: SeChangeNotifyPrivilege	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: SeRemoteShutdownPrivilege	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: SeUndockPrivilege	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: SeManageVolumePrivilege	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: SeImpersonatePrivilege	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: SeCreateGlobalPrivilege	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: 33	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: 34	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: 35	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: 36	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
Token: SeIncreaseQuotaPrivilege	3612	msdcsc.exe
Token: SeSecurityPrivilege	3612	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3612	msdcsc.exe
Token: SeLoadDriverPrivilege	3612	msdcsc.exe
Token: SeSystemProfilePrivilege	3612	msdcsc.exe
Token: SeSystemtimePrivilege	3612	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3612	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3612	msdcsc.exe
Token: SeCreatePagefilePrivilege	3612	msdcsc.exe
Token: SeBackupPrivilege	3612	msdcsc.exe
Token: SeRestorePrivilege	3612	msdcsc.exe
Token: SeShutdownPrivilege	3612	msdcsc.exe
Token: SeDebugPrivilege	3612	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3612	msdcsc.exe
Token: SeChangeNotifyPrivilege	3612	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3612	msdcsc.exe
Token: SeUndockPrivilege	3612	msdcsc.exe
Token: SeManageVolumePrivilege	3612	msdcsc.exe
Token: SeImpersonatePrivilege	3612	msdcsc.exe
Token: SeCreateGlobalPrivilege	3612	msdcsc.exe
Token: 33	3612	msdcsc.exe
Token: 34	3612	msdcsc.exe
Token: 35	3612	msdcsc.exe
Token: 36	3612	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	4228	msdcsc.exe
Token: SeSecurityPrivilege	4228	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4228	msdcsc.exe
Token: SeLoadDriverPrivilege	4228	msdcsc.exe
Token: SeSystemProfilePrivilege	4228	msdcsc.exe
Token: SeSystemtimePrivilege	4228	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4228	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4228	msdcsc.exe
Token: SeCreatePagefilePrivilege	4228	msdcsc.exe
Token: SeBackupPrivilege	4228	msdcsc.exe
Token: SeRestorePrivilege	4228	msdcsc.exe
Token: SeShutdownPrivilege	4228	msdcsc.exe
Token: SeDebugPrivilege	4228	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4228	msdcsc.exe
Token: SeChangeNotifyPrivilege	4228	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4228	msdcsc.exe

Suspicious use of FindShellTrayWindow 17 IoCs

pid	Process
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe

Suspicious use of SendNotifyMessage 16 IoCs

pid	Process
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe
3828	vlc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3828	vlc.exe
1652	iexplore.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 3612	1916	cmd.exe	89
PID 1916 wrote to memory of 3612	1916	cmd.exe	89
PID 1916 wrote to memory of 3612	1916	cmd.exe	89
PID 4712 wrote to memory of 3828	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe	90
PID 4712 wrote to memory of 3828	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe	90
PID 3612 wrote to memory of 1700	3612	msdcsc.exe	91
PID 3612 wrote to memory of 1700	3612	msdcsc.exe	91
PID 4712 wrote to memory of 4228	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe	92
PID 4712 wrote to memory of 4228	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe	92
PID 4712 wrote to memory of 4228	4712	JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe	92
PID 3612 wrote to memory of 1652	3612	msdcsc.exe	95
PID 3612 wrote to memory of 1652	3612	msdcsc.exe	95
PID 3612 wrote to memory of 1652	3612	msdcsc.exe	95
PID 3612 wrote to memory of 1652	3612	msdcsc.exe	95
PID 3612 wrote to memory of 1652	3612	msdcsc.exe	95
PID 1652 wrote to memory of 4368	1652	iexplore.exe	96
PID 1652 wrote to memory of 4368	1652	iexplore.exe	96

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4712
- C:\Program Files\VideoLAN\VLC\vlc.exe
  "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\BEETHOVEN 9 NOLU SENFONISI (SCHERZO).WMA"
  2⤵
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:3828
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4228

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3612
- - C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\BEETHOVEN 9 NOLU SENFONISI (SCHERZO).WMA"
    3⤵
    PID:1700
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1652
  - - C:\Program Files\VideoLAN\VLC\vlc.exe
      "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\BEETHOVEN 9 NOLU SENFONISI (SCHERZO).WMA"
      4⤵
      PID:4368

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x2ec 0x464
1⤵
PID:392

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\BEETHOVEN 9 NOLU SENFONISI (SCHERZO).WMA

Filesize
604KB

MD5
7e40b30400b058ff9200cc41b853146d

SHA1
ba6697098d646e5d1f293496e3a98ad855040d09

SHA256
d83bbdaa27f44696dcc71f7345e683f4b2a1b3b996f0e1f063de80bac6a90076

SHA512
8379cdb1695c6fb2de5f58891fd1ee57fdf405b3f39f20f48134ed28440e0f3fdb363a79557a8c938b450896405d852f4de891613e7b1d61a724c00ae14c962f

Download Submit
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
1.3MB

MD5
927a4dcb9526b2e79dc6d11e67eef066

SHA1
3803682042ee1d5521aae4dbf6d972c21fc75a7e

SHA256
2daceb62312f99c4dd461400d8edf9d60df08a960744804c57db80f80a1af73a

SHA512
18256255b8e2f1d6a0ee969a05ef7ab16f8ed58de156a8b93bdef9fd856e19d4052638ee890128af785936b1acf573f7eb389eac50c64267d61ceb5e7724c32d

Download Submit
memory/1652-25-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1700-17-0x00007FF9EDBF0000-0x00007FF9EDC24000-memory.dmp

Filesize
208KB

Download
memory/1700-16-0x00007FF6968B0000-0x00007FF6969A8000-memory.dmp

Filesize
992KB

Download
memory/1700-21-0x00007FF9F0190000-0x00007FF9F01A1000-memory.dmp

Filesize
68KB

Download
memory/1700-20-0x00007FF9F0CE0000-0x00007FF9F0CF7000-memory.dmp

Filesize
92KB

Download
memory/1700-19-0x00007FF9F3360000-0x00007FF9F3378000-memory.dmp

Filesize
96KB

Download
memory/1700-18-0x00007FF9DB410000-0x00007FF9DB6C6000-memory.dmp

Filesize
2.7MB

Download
memory/3612-11-0x0000000002110000-0x0000000002111000-memory.dmp

Filesize
4KB

Download
memory/3612-26-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/3828-57-0x00007FF9E9B10000-0x00007FF9E9B21000-memory.dmp

Filesize
68KB

Download
memory/3828-54-0x00007FF9E9C90000-0x00007FF9E9CD1000-memory.dmp

Filesize
260KB

Download
memory/3828-44-0x00007FF9EDBF0000-0x00007FF9EDC24000-memory.dmp

Filesize
208KB

Download
memory/3828-43-0x00007FF6968B0000-0x00007FF6969A8000-memory.dmp

Filesize
992KB

Download
memory/3828-46-0x00007FF9F3360000-0x00007FF9F3378000-memory.dmp

Filesize
96KB

Download
memory/3828-47-0x00007FF9F0CE0000-0x00007FF9F0CF7000-memory.dmp

Filesize
92KB

Download
memory/3828-48-0x00007FF9F0190000-0x00007FF9F01A1000-memory.dmp

Filesize
68KB

Download
memory/3828-49-0x00007FF9EEC30000-0x00007FF9EEC47000-memory.dmp

Filesize
92KB

Download
memory/3828-50-0x00007FF9EA090000-0x00007FF9EA0A1000-memory.dmp

Filesize
68KB

Download
memory/3828-45-0x00007FF9DB410000-0x00007FF9DB6C6000-memory.dmp

Filesize
2.7MB

Download
memory/3828-52-0x00007FF9E9E80000-0x00007FF9E9E91000-memory.dmp

Filesize
68KB

Download
memory/3828-51-0x00007FF9E9EA0000-0x00007FF9E9EBD000-memory.dmp

Filesize
116KB

Download
memory/3828-53-0x00007FF9DB010000-0x00007FF9DB21B000-memory.dmp

Filesize
2.0MB

Download
memory/3828-60-0x00007FF9E9A60000-0x00007FF9E9A7B000-memory.dmp

Filesize
108KB

Download
memory/3828-59-0x00007FF9E9A80000-0x00007FF9E9A91000-memory.dmp

Filesize
68KB

Download
memory/3828-58-0x00007FF9E9AA0000-0x00007FF9E9AB1000-memory.dmp

Filesize
68KB

Download
memory/3828-55-0x00007FF9E9C60000-0x00007FF9E9C81000-memory.dmp

Filesize
132KB

Download
memory/3828-56-0x00007FF9E9C40000-0x00007FF9E9C58000-memory.dmp

Filesize
96KB

Download
memory/4228-24-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4368-32-0x00007FF6968B0000-0x00007FF6969A8000-memory.dmp

Filesize
992KB

Download
memory/4368-33-0x00007FF9EDBF0000-0x00007FF9EDC24000-memory.dmp

Filesize
208KB

Download
memory/4368-34-0x00007FF9DB410000-0x00007FF9DB6C6000-memory.dmp

Filesize
2.7MB

Download
memory/4368-35-0x00007FF9F3360000-0x00007FF9F3378000-memory.dmp

Filesize
96KB

Download
memory/4368-36-0x00007FF9F0CE0000-0x00007FF9F0CF7000-memory.dmp

Filesize
92KB

Download
memory/4368-37-0x00007FF9F0190000-0x00007FF9F01A1000-memory.dmp

Filesize
68KB

Download
memory/4712-0-0x0000000002300000-0x0000000002301000-memory.dmp

Filesize
4KB

Download
memory/4712-23-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads