darkcomet | 8d7f410cf32ef0aa06537afc156b6cff821d6fe6422fe68b87491890f64d2aa0

Analysis

max time kernel
149s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 05:37

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General

Target

JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Size

662KB
MD5

6a89835db18e4e20978b80beaadfe910
SHA1

e3ffa312c2e0457c821433507f546f91603de41a
SHA256

8d7f410cf32ef0aa06537afc156b6cff821d6fe6422fe68b87491890f64d2aa0
SHA512

51dac9306c1099cbef45baf8b5327d0c89c5658ed7e5b5641d300cba2411eddc05aad4681a2f1a1e61cb6fb0bba4d1566c841293d4665078bc3a7085fbb4af36
SSDEEP

12288:I3OpvNW4a76S/Ddon/m09bbYlIaaMcE2YGhq3vo1RnfAvIESJgoE26yc/RS:+OA4aWNn/m09fKIaaBEtWq3A1Ov8Jgb0

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

developer.ddns.net:2000

sandboxie.ddns.net:2000

Mutex

DC_MUTEX-2LAF0SP

Attributes

InstallPath
MSDCSC\Explorer.exe
gencode
fQ0AYHK27MkE
install
true
offline_keylogger
true
password
0123456789
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\\Favorites\\MSDCSC\\Explorer.exe"	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe

Deletes itself 1 IoCs

pid	Process
4336	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
1124	Explorer.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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Favorites\\MSDCSC\\Explorer.exe"	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe

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_6a89835db18e4e20978b80beaadfe910.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: SeSecurityPrivilege	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: SeTakeOwnershipPrivilege	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: SeLoadDriverPrivilege	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: SeSystemProfilePrivilege	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: SeSystemtimePrivilege	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: SeProfSingleProcessPrivilege	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: SeIncBasePriorityPrivilege	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: SeCreatePagefilePrivilege	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: SeBackupPrivilege	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: SeRestorePrivilege	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: SeShutdownPrivilege	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: SeDebugPrivilege	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: SeSystemEnvironmentPrivilege	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: SeChangeNotifyPrivilege	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: SeRemoteShutdownPrivilege	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: SeUndockPrivilege	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: SeManageVolumePrivilege	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: SeImpersonatePrivilege	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: SeCreateGlobalPrivilege	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: 33	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: 34	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: 35	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: 36	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
Token: SeIncreaseQuotaPrivilege	1124	Explorer.exe
Token: SeSecurityPrivilege	1124	Explorer.exe
Token: SeTakeOwnershipPrivilege	1124	Explorer.exe
Token: SeLoadDriverPrivilege	1124	Explorer.exe
Token: SeSystemProfilePrivilege	1124	Explorer.exe
Token: SeSystemtimePrivilege	1124	Explorer.exe
Token: SeProfSingleProcessPrivilege	1124	Explorer.exe
Token: SeIncBasePriorityPrivilege	1124	Explorer.exe
Token: SeCreatePagefilePrivilege	1124	Explorer.exe
Token: SeBackupPrivilege	1124	Explorer.exe
Token: SeRestorePrivilege	1124	Explorer.exe
Token: SeShutdownPrivilege	1124	Explorer.exe
Token: SeDebugPrivilege	1124	Explorer.exe
Token: SeSystemEnvironmentPrivilege	1124	Explorer.exe
Token: SeChangeNotifyPrivilege	1124	Explorer.exe
Token: SeRemoteShutdownPrivilege	1124	Explorer.exe
Token: SeUndockPrivilege	1124	Explorer.exe
Token: SeManageVolumePrivilege	1124	Explorer.exe
Token: SeImpersonatePrivilege	1124	Explorer.exe
Token: SeCreateGlobalPrivilege	1124	Explorer.exe
Token: 33	1124	Explorer.exe
Token: 34	1124	Explorer.exe
Token: 35	1124	Explorer.exe
Token: 36	1124	Explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1124	Explorer.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 436 wrote to memory of 4336	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe	82
PID 436 wrote to memory of 4336	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe	82
PID 436 wrote to memory of 4336	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe	82
PID 436 wrote to memory of 4336	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe	82
PID 436 wrote to memory of 4336	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe	82
PID 436 wrote to memory of 4336	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe	82
PID 436 wrote to memory of 4336	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe	82
PID 436 wrote to memory of 4336	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe	82
PID 436 wrote to memory of 4336	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe	82
PID 436 wrote to memory of 4336	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe	82
PID 436 wrote to memory of 4336	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe	82
PID 436 wrote to memory of 4336	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe	82
PID 436 wrote to memory of 4336	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe	82
PID 436 wrote to memory of 4336	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe	82
PID 436 wrote to memory of 4336	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe	82
PID 436 wrote to memory of 4336	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe	82
PID 436 wrote to memory of 4336	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe	82
PID 436 wrote to memory of 1124	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe	83
PID 436 wrote to memory of 1124	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe	83
PID 436 wrote to memory of 1124	436	JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe	83
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84
PID 1124 wrote to memory of 1972	1124	Explorer.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a89835db18e4e20978b80beaadfe910.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:436
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4336
- C:\Users\Admin\Favorites\MSDCSC\Explorer.exe
  "C:\Users\Admin\Favorites\MSDCSC\Explorer.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1124
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1972

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

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Downloads

C:\Users\Admin\Favorites\MSDCSC\Explorer.exe

Filesize
662KB

MD5
6a89835db18e4e20978b80beaadfe910

SHA1
e3ffa312c2e0457c821433507f546f91603de41a

SHA256
8d7f410cf32ef0aa06537afc156b6cff821d6fe6422fe68b87491890f64d2aa0

SHA512
51dac9306c1099cbef45baf8b5327d0c89c5658ed7e5b5641d300cba2411eddc05aad4681a2f1a1e61cb6fb0bba4d1566c841293d4665078bc3a7085fbb4af36

Download Submit
memory/436-0-0x0000000002280000-0x0000000002281000-memory.dmp

Filesize
4KB

Download
memory/436-20-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1124-18-0x0000000002400000-0x0000000002401000-memory.dmp

Filesize
4KB

Download
memory/1124-22-0x0000000002400000-0x0000000002401000-memory.dmp

Filesize
4KB

Download
memory/1124-23-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1972-19-0x0000000000F70000-0x0000000000F71000-memory.dmp

Filesize
4KB

Download
memory/4336-4-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads