darkcomet | 47918ce361896030f596278c4142789af13fad0595f0b1061f5da3ed8b30ad0d

Analysis

max time kernel
150s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20250410-en
resource tags

arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
submitted
15/04/2025, 08:54

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General

Target

JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Size

680KB
MD5

b990597f7d43d9b5bdbd0af1ed7bf042
SHA1

ee7c950bfec9ef7d11eead62d1c09d4b26e1233d
SHA256

47918ce361896030f596278c4142789af13fad0595f0b1061f5da3ed8b30ad0d
SHA512

8991a503999179236abff78249d39e5105018f6adff12540dfa76883eb2c87de866ca9b940cadcddff643eb0c0da37a128413df1190d5498e2c82cfc0175a528
SSDEEP

12288:U6A84PaHhfD/tV9sj5NKR0pau9XGyu2qBVGLQyTPfhk:pAmBpVKHu0Mu9Xo20VGLVP5

Score

10^/10

darkcomet vittima discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Vittima

Guari10.no-ip.org:1604

Mutex

DC_MUTEX-ZFF7E5S

Attributes

InstallPath
Windupdt\winupdate.exe
gencode
WCxDf2TdRF�q
install
true
offline_keylogger
true
persistence
false
reg_key
winupdater

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:\\Windupdt\\winupdate.exe"	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.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-1-5-21-3027557611-1484967174-339164627-1000\Control Panel\International\Geo\Nation	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe

Executes dropped EXE 2 IoCs

pid	Process
2292	winupdate.exe
388	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-1-5-21-3027557611-1484967174-339164627-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.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 5 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_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.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
440	PING.EXE
4916	cmd.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
440	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: SeSecurityPrivilege	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: SeTakeOwnershipPrivilege	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: SeLoadDriverPrivilege	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: SeSystemProfilePrivilege	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: SeSystemtimePrivilege	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: SeProfSingleProcessPrivilege	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: SeIncBasePriorityPrivilege	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: SeCreatePagefilePrivilege	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: SeBackupPrivilege	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: SeRestorePrivilege	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: SeShutdownPrivilege	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: SeDebugPrivilege	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: SeSystemEnvironmentPrivilege	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: SeChangeNotifyPrivilege	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: SeRemoteShutdownPrivilege	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: SeUndockPrivilege	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: SeManageVolumePrivilege	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: SeImpersonatePrivilege	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: SeCreateGlobalPrivilege	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: 33	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: 34	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: 35	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: 36	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
Token: SeIncreaseQuotaPrivilege	2292	winupdate.exe
Token: SeSecurityPrivilege	2292	winupdate.exe
Token: SeTakeOwnershipPrivilege	2292	winupdate.exe
Token: SeLoadDriverPrivilege	2292	winupdate.exe
Token: SeSystemProfilePrivilege	2292	winupdate.exe
Token: SeSystemtimePrivilege	2292	winupdate.exe
Token: SeProfSingleProcessPrivilege	2292	winupdate.exe
Token: SeIncBasePriorityPrivilege	2292	winupdate.exe
Token: SeCreatePagefilePrivilege	2292	winupdate.exe
Token: SeBackupPrivilege	2292	winupdate.exe
Token: SeRestorePrivilege	2292	winupdate.exe
Token: SeShutdownPrivilege	2292	winupdate.exe
Token: SeDebugPrivilege	2292	winupdate.exe
Token: SeSystemEnvironmentPrivilege	2292	winupdate.exe
Token: SeChangeNotifyPrivilege	2292	winupdate.exe
Token: SeRemoteShutdownPrivilege	2292	winupdate.exe
Token: SeUndockPrivilege	2292	winupdate.exe
Token: SeManageVolumePrivilege	2292	winupdate.exe
Token: SeImpersonatePrivilege	2292	winupdate.exe
Token: SeCreateGlobalPrivilege	2292	winupdate.exe
Token: 33	2292	winupdate.exe
Token: 34	2292	winupdate.exe
Token: 35	2292	winupdate.exe
Token: 36	2292	winupdate.exe
Token: SeIncreaseQuotaPrivilege	388	winupdate.exe
Token: SeSecurityPrivilege	388	winupdate.exe
Token: SeTakeOwnershipPrivilege	388	winupdate.exe
Token: SeLoadDriverPrivilege	388	winupdate.exe
Token: SeSystemProfilePrivilege	388	winupdate.exe
Token: SeSystemtimePrivilege	388	winupdate.exe
Token: SeProfSingleProcessPrivilege	388	winupdate.exe
Token: SeIncBasePriorityPrivilege	388	winupdate.exe
Token: SeCreatePagefilePrivilege	388	winupdate.exe
Token: SeBackupPrivilege	388	winupdate.exe
Token: SeRestorePrivilege	388	winupdate.exe
Token: SeShutdownPrivilege	388	winupdate.exe
Token: SeDebugPrivilege	388	winupdate.exe
Token: SeSystemEnvironmentPrivilege	388	winupdate.exe
Token: SeChangeNotifyPrivilege	388	winupdate.exe
Token: SeRemoteShutdownPrivilege	388	winupdate.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2292	winupdate.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1500 wrote to memory of 2292	1500	cmd.exe	88
PID 1500 wrote to memory of 2292	1500	cmd.exe	88
PID 1500 wrote to memory of 2292	1500	cmd.exe	88
PID 720 wrote to memory of 388	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe	92
PID 720 wrote to memory of 388	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe	92
PID 720 wrote to memory of 388	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe	92
PID 720 wrote to memory of 4916	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe	93
PID 720 wrote to memory of 4916	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe	93
PID 720 wrote to memory of 4916	720	JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe	93
PID 4916 wrote to memory of 440	4916	cmd.exe	95
PID 4916 wrote to memory of 440	4916	cmd.exe	95
PID 4916 wrote to memory of 440	4916	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.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:720
- C:\Windupdt\winupdate.exe
  "C:\Windupdt\winupdate.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:388
- 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\JaffaCakes118_b990597f7d43d9b5bdbd0af1ed7bf042.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4916
- - 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:440

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windupdt\winupdate.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:1500
- 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:2292

Network

MITRE ATT&CK Enterprise v16

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
680KB

MD5
b990597f7d43d9b5bdbd0af1ed7bf042

SHA1
ee7c950bfec9ef7d11eead62d1c09d4b26e1233d

SHA256
47918ce361896030f596278c4142789af13fad0595f0b1061f5da3ed8b30ad0d

SHA512
8991a503999179236abff78249d39e5105018f6adff12540dfa76883eb2c87de866ca9b940cadcddff643eb0c0da37a128413df1190d5498e2c82cfc0175a528

Download Submit
memory/388-11-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/720-10-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/720-0-0x00000000006F0000-0x00000000006F1000-memory.dmp

Filesize
4KB

Download
memory/720-6-0x00000000006F0000-0x00000000006F1000-memory.dmp

Filesize
4KB

Download
memory/720-7-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2292-14-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2292-17-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2292-12-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2292-13-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2292-5-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/2292-15-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2292-16-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2292-8-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2292-18-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2292-19-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2292-20-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2292-21-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2292-22-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2292-23-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2292-24-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads