darkcomet | 41a25cf155463849f77508fc6999a5151ac5977c31d8a0fd16ec7fb7bfe9f3d9

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
2896	attrib.exe
1644	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
2100	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2100	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeSecurityPrivilege	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeTakeOwnershipPrivilege	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeLoadDriverPrivilege	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeSystemProfilePrivilege	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeSystemtimePrivilege	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeProfSingleProcessPrivilege	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeIncBasePriorityPrivilege	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeCreatePagefilePrivilege	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeBackupPrivilege	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeRestorePrivilege	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeShutdownPrivilege	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeDebugPrivilege	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeSystemEnvironmentPrivilege	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeChangeNotifyPrivilege	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeRemoteShutdownPrivilege	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeUndockPrivilege	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeManageVolumePrivilege	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeImpersonatePrivilege	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeCreateGlobalPrivilege	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: 33	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: 34	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: 35	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe
Token: SeIncreaseQuotaPrivilege	2100	msdcsc.exe
Token: SeSecurityPrivilege	2100	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2100	msdcsc.exe
Token: SeLoadDriverPrivilege	2100	msdcsc.exe
Token: SeSystemProfilePrivilege	2100	msdcsc.exe
Token: SeSystemtimePrivilege	2100	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2100	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2100	msdcsc.exe
Token: SeCreatePagefilePrivilege	2100	msdcsc.exe
Token: SeBackupPrivilege	2100	msdcsc.exe
Token: SeRestorePrivilege	2100	msdcsc.exe
Token: SeShutdownPrivilege	2100	msdcsc.exe
Token: SeDebugPrivilege	2100	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2100	msdcsc.exe
Token: SeChangeNotifyPrivilege	2100	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2100	msdcsc.exe
Token: SeUndockPrivilege	2100	msdcsc.exe
Token: SeManageVolumePrivilege	2100	msdcsc.exe
Token: SeImpersonatePrivilege	2100	msdcsc.exe
Token: SeCreateGlobalPrivilege	2100	msdcsc.exe
Token: 33	2100	msdcsc.exe
Token: 34	2100	msdcsc.exe
Token: 35	2100	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2100	msdcsc.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 3068	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe	31
PID 2084 wrote to memory of 3068	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe	31
PID 2084 wrote to memory of 3068	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe	31
PID 2084 wrote to memory of 3068	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe	31
PID 2084 wrote to memory of 3064	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe	32
PID 2084 wrote to memory of 3064	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe	32
PID 2084 wrote to memory of 3064	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe	32
PID 2084 wrote to memory of 3064	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe	32
PID 3068 wrote to memory of 1644	3068	cmd.exe	35
PID 3068 wrote to memory of 1644	3068	cmd.exe	35
PID 3068 wrote to memory of 1644	3068	cmd.exe	35
PID 3068 wrote to memory of 1644	3068	cmd.exe	35
PID 3064 wrote to memory of 2896	3064	cmd.exe	36
PID 3064 wrote to memory of 2896	3064	cmd.exe	36
PID 3064 wrote to memory of 2896	3064	cmd.exe	36
PID 3064 wrote to memory of 2896	3064	cmd.exe	36
PID 2084 wrote to memory of 2100	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe	37
PID 2084 wrote to memory of 2100	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe	37
PID 2084 wrote to memory of 2100	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe	37
PID 2084 wrote to memory of 2100	2084	JaffaCakes118_b41e986757b418377fb66bdac901fc4f.exe	37
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38
PID 2100 wrote to memory of 2836	2100	msdcsc.exe	38

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1644	attrib.exe
2896	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
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2084
- 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:3068
- - 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:1644
- 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:3064
- - 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:2896
- 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:2100
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2836

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

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

\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
756KB

MD5
b41e986757b418377fb66bdac901fc4f

SHA1
2769d7542f216b0fdd293e31c0d3069e9ecc1971

SHA256
41a25cf155463849f77508fc6999a5151ac5977c31d8a0fd16ec7fb7bfe9f3d9

SHA512
b419b69f6f1f9a82a33f0166f94dcc82155ad099059dd511021e62af474e8f60aa82eeaeefba2bbef3eab0c257cff98c7da94c81dcd106a742e93c85b1cdd8d6

Download Submit
memory/2084-52-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2084-0-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2100-56-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2100-58-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2100-53-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2100-54-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2100-55-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2100-66-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2100-57-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2100-65-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2100-59-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2100-60-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2100-61-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2100-62-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2100-63-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2100-64-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2836-13-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2836-51-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads