darkcomet | f11292d9941dd3dd980990c516c427597cf3beefc8099a6e739cd3f3039d0494

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-12-2024 12:43

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General

Target

eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Size

648KB
MD5

eed1c57245adaa013d7ccf165abaa28c
SHA1

4f6a9ea414292796260f069c33bee09a2d87be37
SHA256

f11292d9941dd3dd980990c516c427597cf3beefc8099a6e739cd3f3039d0494
SHA512

4e64d4ab025d50476d3ec0c96b978682103b0e2d52985e9a91f72cfaaf0659e431232c46319cf4d43fc647d0162a1f1e3b03a3a05b7d56feb8df080a66d438fe
SSDEEP

12288:06A84PaHhfD/tV9sj5NKR0pau9XGyu2qBVGLQyTPfhp:JAmBpVKHu0Mu9Xo20VGLVP5p

Score

10^/10

darkcomet discovery persistence rat trojan

Malware Config

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:\\Windupdt\\winupdate.exe"	eed1c57245adaa013d7ccf165abaa28c_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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1268	winupdate.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\winupdater = "C:\\Windupdt\\winupdate.exe"	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1316	cmd.exe
2364	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2364	PING.EXE

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: SeSecurityPrivilege	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: SeSystemtimePrivilege	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: SeBackupPrivilege	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: SeRestorePrivilege	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: SeShutdownPrivilege	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: SeDebugPrivilege	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: SeUndockPrivilege	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: SeManageVolumePrivilege	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: SeImpersonatePrivilege	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: 33	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: 34	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: 35	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: 36	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1268	winupdate.exe
Token: SeSecurityPrivilege	1268	winupdate.exe
Token: SeTakeOwnershipPrivilege	1268	winupdate.exe
Token: SeLoadDriverPrivilege	1268	winupdate.exe
Token: SeSystemProfilePrivilege	1268	winupdate.exe
Token: SeSystemtimePrivilege	1268	winupdate.exe
Token: SeProfSingleProcessPrivilege	1268	winupdate.exe
Token: SeIncBasePriorityPrivilege	1268	winupdate.exe
Token: SeCreatePagefilePrivilege	1268	winupdate.exe
Token: SeBackupPrivilege	1268	winupdate.exe
Token: SeRestorePrivilege	1268	winupdate.exe
Token: SeShutdownPrivilege	1268	winupdate.exe
Token: SeDebugPrivilege	1268	winupdate.exe
Token: SeSystemEnvironmentPrivilege	1268	winupdate.exe
Token: SeChangeNotifyPrivilege	1268	winupdate.exe
Token: SeRemoteShutdownPrivilege	1268	winupdate.exe
Token: SeUndockPrivilege	1268	winupdate.exe
Token: SeManageVolumePrivilege	1268	winupdate.exe
Token: SeImpersonatePrivilege	1268	winupdate.exe
Token: SeCreateGlobalPrivilege	1268	winupdate.exe
Token: 33	1268	winupdate.exe
Token: 34	1268	winupdate.exe
Token: 35	1268	winupdate.exe
Token: 36	1268	winupdate.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1268	winupdate.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4072 wrote to memory of 1268	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe	82
PID 4072 wrote to memory of 1268	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe	82
PID 4072 wrote to memory of 1268	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe	82
PID 4072 wrote to memory of 1316	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe	83
PID 4072 wrote to memory of 1316	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe	83
PID 4072 wrote to memory of 1316	4072	eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe	83
PID 1316 wrote to memory of 2364	1316	cmd.exe	85
PID 1316 wrote to memory of 2364	1316	cmd.exe	85
PID 1316 wrote to memory of 2364	1316	cmd.exe	85

C:\Users\Admin\AppData\Local\Temp\eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.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:4072
- C:\Windupdt\winupdate.exe
  "C:\Windupdt\winupdate.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1268
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 5 > NUL&del "C:\Users\Admin\AppData\Local\Temp\eed1c57245adaa013d7ccf165abaa28c_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1316
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 5
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2364

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

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windupdt\winupdate.exe

Filesize
648KB

MD5
eed1c57245adaa013d7ccf165abaa28c

SHA1
4f6a9ea414292796260f069c33bee09a2d87be37

SHA256
f11292d9941dd3dd980990c516c427597cf3beefc8099a6e739cd3f3039d0494

SHA512
4e64d4ab025d50476d3ec0c96b978682103b0e2d52985e9a91f72cfaaf0659e431232c46319cf4d43fc647d0162a1f1e3b03a3a05b7d56feb8df080a66d438fe

Download Submit
memory/1268-16-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1268-13-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1268-17-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1268-12-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1268-18-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1268-14-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1268-15-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1268-19-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1268-11-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/1268-25-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1268-24-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1268-20-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1268-21-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1268-22-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1268-23-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/4072-0-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/4072-10-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads