darkcomet | 8e253716ab5ef33e07f2a2b922d2d820e84f2bdfa714e20601892baebddb2783

Analysis

max time kernel
35s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-12-2024 20:40

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General

Target

d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Size

976KB
MD5

d385e227d4ea2c72930ea472d89619b2
SHA1

1abc99de85193f01da5c98827c166c57392f78a5
SHA256

8e253716ab5ef33e07f2a2b922d2d820e84f2bdfa714e20601892baebddb2783
SHA512

76b4fc960c44b79187cd49417b77964d0366693efb6e15eb00d4a1befe380886d8a3b979496fe0f180432d670f9cecf28fd4e7d16a87ef7810cf1ba4afca8d45
SSDEEP

24576:7BgymA1F+WX8vXluMPVlj+ngLNwTmJM8Db5iivU:Z1p8ASUmS8ZY

Score

10^/10

darkcomet discovery evasion 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:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe

Modifies firewall policy service 3 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	msdcsc.exe

Executes dropped EXE 2 IoCs

pid	Process
2732	msdcsc.exe
2752	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3064 set thread context of 2540	3064	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	30
PID 2732 set thread context of 2752	2732	msdcsc.exe	32

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	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeSecurityPrivilege	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeBackupPrivilege	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeRestorePrivilege	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeShutdownPrivilege	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeDebugPrivilege	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeUndockPrivilege	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: 33	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: 34	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: 35	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2752	msdcsc.exe
Token: SeSecurityPrivilege	2752	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2752	msdcsc.exe
Token: SeLoadDriverPrivilege	2752	msdcsc.exe
Token: SeSystemProfilePrivilege	2752	msdcsc.exe
Token: SeSystemtimePrivilege	2752	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2752	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2752	msdcsc.exe
Token: SeCreatePagefilePrivilege	2752	msdcsc.exe
Token: SeBackupPrivilege	2752	msdcsc.exe
Token: SeRestorePrivilege	2752	msdcsc.exe
Token: SeShutdownPrivilege	2752	msdcsc.exe
Token: SeDebugPrivilege	2752	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2752	msdcsc.exe
Token: SeChangeNotifyPrivilege	2752	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2752	msdcsc.exe
Token: SeUndockPrivilege	2752	msdcsc.exe
Token: SeManageVolumePrivilege	2752	msdcsc.exe
Token: SeImpersonatePrivilege	2752	msdcsc.exe
Token: SeCreateGlobalPrivilege	2752	msdcsc.exe
Token: 33	2752	msdcsc.exe
Token: 34	2752	msdcsc.exe
Token: 35	2752	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2752	msdcsc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2540	3064	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	30
PID 3064 wrote to memory of 2540	3064	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	30
PID 3064 wrote to memory of 2540	3064	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	30
PID 3064 wrote to memory of 2540	3064	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	30
PID 3064 wrote to memory of 2540	3064	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	30
PID 3064 wrote to memory of 2540	3064	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	30
PID 3064 wrote to memory of 2540	3064	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	30
PID 3064 wrote to memory of 2540	3064	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	30
PID 3064 wrote to memory of 2540	3064	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	30
PID 3064 wrote to memory of 2540	3064	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	30
PID 3064 wrote to memory of 2540	3064	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	30
PID 3064 wrote to memory of 2540	3064	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	30
PID 3064 wrote to memory of 2540	3064	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	30
PID 2540 wrote to memory of 2732	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	31
PID 2540 wrote to memory of 2732	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	31
PID 2540 wrote to memory of 2732	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	31
PID 2540 wrote to memory of 2732	2540	d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe	31
PID 2732 wrote to memory of 2752	2732	msdcsc.exe	32
PID 2732 wrote to memory of 2752	2732	msdcsc.exe	32
PID 2732 wrote to memory of 2752	2732	msdcsc.exe	32
PID 2732 wrote to memory of 2752	2732	msdcsc.exe	32
PID 2732 wrote to memory of 2752	2732	msdcsc.exe	32
PID 2732 wrote to memory of 2752	2732	msdcsc.exe	32
PID 2732 wrote to memory of 2752	2732	msdcsc.exe	32
PID 2732 wrote to memory of 2752	2732	msdcsc.exe	32
PID 2732 wrote to memory of 2752	2732	msdcsc.exe	32
PID 2732 wrote to memory of 2752	2732	msdcsc.exe	32
PID 2732 wrote to memory of 2752	2732	msdcsc.exe	32
PID 2732 wrote to memory of 2752	2732	msdcsc.exe	32
PID 2732 wrote to memory of 2752	2732	msdcsc.exe	32

C:\Users\Admin\AppData\Local\Temp\d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Users\Admin\AppData\Local\Temp\d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d385e227d4ea2c72930ea472d89619b2_JaffaCakes118.exe
  2⤵
  - 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:2540
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2732
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      4⤵
      Modifies firewall policy service
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2752

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

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

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

Filesize
976KB

MD5
d385e227d4ea2c72930ea472d89619b2

SHA1
1abc99de85193f01da5c98827c166c57392f78a5

SHA256
8e253716ab5ef33e07f2a2b922d2d820e84f2bdfa714e20601892baebddb2783

SHA512
76b4fc960c44b79187cd49417b77964d0366693efb6e15eb00d4a1befe380886d8a3b979496fe0f180432d670f9cecf28fd4e7d16a87ef7810cf1ba4afca8d45

Download Submit
memory/2540-18-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2540-29-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2540-4-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2540-2-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2540-21-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2540-14-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2540-11-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2540-7-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2540-30-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2540-43-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2540-31-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2540-0-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2540-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2540-24-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2732-74-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download
memory/2752-78-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2752-76-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2752-77-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/3064-28-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads