Overview

overview

10

Static

static

10

jaffacakes...4d.exe

windows10-2004-x64

10

jaffacakes...4d.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/10/2026, 05:14

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General

  • Target
    jaffacakes118_e50241667b6f3e53af29e2afd6ba317b5e6fc544cd4715a4904f760e1aa6404d.exe
  • Size 692KB
  • Sample261002-fxa3zszzft
  • SHA256 e50241667b6f3e53af29e2afd6ba317b5e6fc544cd4715a4904f760e1aa6404d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
guest16defense_evasiondiscoveryexecutiondarkcometpersistencerattrojan

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • Guest16

C2

  • 192.168.178.24:1604

Mutex

  • DC_MUTEX-0QNYAHY

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    MvnLUP9hFAdD

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Signatures

  • Family: Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    trojanratdarkcomet
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Modifies firewall policy service 3 TTPs 9 IoCs
    defense_evasion
  • Windows security bypass 2 TTPs 6 IoCs
    defense_evasiontrojan
  • Disables RegEdit via registry modification 3 IoCs
    defense_evasion
  • Disables Task Manager via registry modification
    defense_evasion
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

    defense_evasion
  • Deletes itself 1 TTPs 1 IoCs
    defense_evasion
  • Executes dropped EXE 2 IoCs
  • Windows security modification 2 TTPs 4 IoCs
    defense_evasiontrojan
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies registry class 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • System policy modification 1 TTPs 6 IoCs
    defense_evasion
  • Views/modifies file attributes 1 TTPs 2 IoCs
    defense_evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_e50241667b6f3e53af29e2afd6ba317b5e6fc544cd4715a4904f760e1aa6404d.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_e50241667b6f3e53af29e2afd6ba317b5e6fc544cd4715a4904f760e1aa6404d.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5940
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_e50241667b6f3e53af29e2afd6ba317b5e6fc544cd4715a4904f760e1aa6404d.exe" +s +h
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5932
      • C:\Windows\SysWOW64\attrib.exe
        attrib "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_e50241667b6f3e53af29e2afd6ba317b5e6fc544cd4715a4904f760e1aa6404d.exe" +s +h
        3⤵
        • Sets file to hidden
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:1512
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5196
      • 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:4888
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:4620
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      2⤵
      • Modifies firewall policy service
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Windows security modification
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • System policy modification
      PID:5328
  • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    1⤵
    • Modifies firewall policy service
    • Windows security bypass
    • Disables RegEdit via registry modification
    • Executes dropped EXE
    • Windows security modification
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2640
    • C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
      2⤵
      • Modifies firewall policy service
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1472
      • C:\Windows\notepad.exe
        notepad
        3⤵
          PID:4104

    Network

          MITRE ATT&CK Enterprise v16

          Reconnaissance

          Resource Development

          Initial Access

          Execution

          Command and Scripting Interpreter

          1
          T1059

          Windows Command Shell

          1
          T1059.003

          Persistence

          Boot or Logon Autostart Execution

          2
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Winlogon Helper DLL

          1
          T1547.004

          Create or Modify System Process

          1
          T1543

          Windows Service

          1
          T1543.003

          Privilege Escalation

          Boot or Logon Autostart Execution

          2
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Winlogon Helper DLL

          1
          T1547.004

          Create or Modify System Process

          1
          T1543

          Windows Service

          1
          T1543.003

          Defense Evasion

          Hide Artifacts

          2
          T1564

          Hidden Files and Directories

          2
          T1564.001

          Impair Defenses

          3
          T1562

          Disable or Modify System Firewall

          1
          T1562.004

          Disable or Modify Tools

          2
          T1562.001

          Indicator Removal

          1
          T1070

          File Deletion

          1
          T1070.004

          Modify Registry

          6
          T1112

          Credential Access

          Discovery

          System Information Discovery

          1
          T1082

          System Location Discovery

          1
          T1614

          System Language Discovery

          1
          T1614.001

          Lateral Movement

          Collection

          Command and Control

          Exfiltration

          Impact

          Replay Monitor

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          Downloads

          msdcsc.exe
          • Path C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
          • Size 692KB
          • SHA256 e50241667b6f3e53af29e2afd6ba317b5e6fc544cd4715a4904f760e1aa6404d
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/1472-5-0x0000000000400000-0x00000000004BD000-memory.dmp
          Download

          memory/2640-4-0x0000000000400000-0x00000000004BD000-memory.dmp
          Download

          memory/2640-7-0x0000000000400000-0x00000000004BD000-memory.dmp
          Download

          memory/4620-9-0x0000000000E20000-0x0000000000E21000-memory.dmp
          Download

          memory/5328-13-0x0000000000400000-0x00000000004BD000-memory.dmp
          Download

          memory/5940-1-0x00000000004A1000-0x00000000004A2000-memory.dmp
          Download

          memory/5940-0-0x0000000000C30000-0x0000000000C31000-memory.dmp
          Download

          memory/5940-2-0x0000000000400000-0x00000000004BD000-memory.dmp
          Download

          memory/5940-8-0x0000000000400000-0x00000000004BD000-memory.dmp
          Download

          memory/5940-11-0x0000000000400000-0x00000000004BD000-memory.dmp
          Download