darkcomet | 41a25cf155463849f77508fc6999a5151ac5977c31d8a0fd16ec7fb7bfe9f3d9

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
07/02/2025, 06:43

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General

Target

JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Size

756KB
MD5

b41e986757b418377fb66bdac901fc4f
SHA1

2769d7542f216b0fdd293e31c0d3069e9ecc1971
SHA256

41a25cf155463849f77508fc6999a5151ac5977c31d8a0fd16ec7fb7bfe9f3d9
SHA512

b419b69f6f1f9a82a33f0166f94dcc82155ad099059dd511021e62af474e8f60aa82eeaeefba2bbef3eab0c257cff98c7da94c81dcd106a742e93c85b1cdd8d6
SSDEEP

12288:C9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h1gxu:uZ1xuVVjfFoynPaVBUR8f+kN10EBcc

Score

10^/10

darkcomet guest16 defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

kyng4ever.zapto.org:1604

Mutex

DC_MUTEX-6GLCQJ3

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
vdBha0KN4gUL
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"	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
3392	attrib.exe
1704	attrib.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-1-5-21-1121399784-3202166597-3503557106-1000\Control Panel\International\Geo\Nation	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe

Executes dropped EXE 1 IoCs

pid	Process
2092	msdcsc.exe

Windows security modification 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	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-1-5-21-1121399784-3202166597-3503557106-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.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 7 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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	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_b41e986757b418377fb66bdac901fc4f.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2092	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeSecurityPrivilege	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeTakeOwnershipPrivilege	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeLoadDriverPrivilege	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeSystemProfilePrivilege	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeSystemtimePrivilege	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeProfSingleProcessPrivilege	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeIncBasePriorityPrivilege	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeCreatePagefilePrivilege	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeBackupPrivilege	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeRestorePrivilege	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeShutdownPrivilege	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeDebugPrivilege	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeSystemEnvironmentPrivilege	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeChangeNotifyPrivilege	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeRemoteShutdownPrivilege	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeUndockPrivilege	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeManageVolumePrivilege	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeImpersonatePrivilege	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeCreateGlobalPrivilege	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: 33	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: 34	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: 35	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: 36	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeIncreaseQuotaPrivilege	2092	msdcsc.exe
Token: SeSecurityPrivilege	2092	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2092	msdcsc.exe
Token: SeLoadDriverPrivilege	2092	msdcsc.exe
Token: SeSystemProfilePrivilege	2092	msdcsc.exe
Token: SeSystemtimePrivilege	2092	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2092	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2092	msdcsc.exe
Token: SeCreatePagefilePrivilege	2092	msdcsc.exe
Token: SeBackupPrivilege	2092	msdcsc.exe
Token: SeRestorePrivilege	2092	msdcsc.exe
Token: SeShutdownPrivilege	2092	msdcsc.exe
Token: SeDebugPrivilege	2092	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2092	msdcsc.exe
Token: SeChangeNotifyPrivilege	2092	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2092	msdcsc.exe
Token: SeUndockPrivilege	2092	msdcsc.exe
Token: SeManageVolumePrivilege	2092	msdcsc.exe
Token: SeImpersonatePrivilege	2092	msdcsc.exe
Token: SeCreateGlobalPrivilege	2092	msdcsc.exe
Token: 33	2092	msdcsc.exe
Token: 34	2092	msdcsc.exe
Token: 35	2092	msdcsc.exe
Token: 36	2092	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2092	msdcsc.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 3812 wrote to memory of 2724	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe	86
PID 3812 wrote to memory of 2724	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe	86
PID 3812 wrote to memory of 2724	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe	86
PID 3812 wrote to memory of 2688	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe	88
PID 3812 wrote to memory of 2688	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe	88
PID 3812 wrote to memory of 2688	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe	88
PID 2688 wrote to memory of 3392	2688	cmd.exe	90
PID 2688 wrote to memory of 3392	2688	cmd.exe	90
PID 2688 wrote to memory of 3392	2688	cmd.exe	90
PID 2724 wrote to memory of 1704	2724	cmd.exe	91
PID 2724 wrote to memory of 1704	2724	cmd.exe	91
PID 2724 wrote to memory of 1704	2724	cmd.exe	91
PID 3812 wrote to memory of 2092	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe	92
PID 3812 wrote to memory of 2092	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe	92
PID 3812 wrote to memory of 2092	3812	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe	92
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94
PID 2092 wrote to memory of 4888	2092	msdcsc.exe	94

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1704	attrib.exe
3392	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b41e986757b418377fb66bdac901fc4f.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:3812
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2724
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:1704
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2688
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:3392
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2092
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4888

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

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\Documents\MSDCSC\msdcsc.exe

Filesize
756KB

MD5
b41e986757b418377fb66bdac901fc4f

SHA1
2769d7542f216b0fdd293e31c0d3069e9ecc1971

SHA256
41a25cf155463849f77508fc6999a5151ac5977c31d8a0fd16ec7fb7bfe9f3d9

SHA512
b419b69f6f1f9a82a33f0166f94dcc82155ad099059dd511021e62af474e8f60aa82eeaeefba2bbef3eab0c257cff98c7da94c81dcd106a742e93c85b1cdd8d6

Download Submit
memory/2092-70-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2092-71-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2092-79-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2092-78-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2092-65-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/2092-66-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2092-67-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2092-68-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2092-62-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/2092-69-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2092-77-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2092-72-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2092-73-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2092-74-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2092-75-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2092-76-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/3812-64-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/3812-0-0x0000000002270000-0x0000000002271000-memory.dmp

Filesize
4KB

Download
memory/4888-63-0x0000000000C20000-0x0000000000C21000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads