Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/04/2025, 23:49

General

  • Target

    JaffaCakes118_b05e8c21e30f253d77718709a5935976.exe

  • Size

    349KB

  • MD5

    b05e8c21e30f253d77718709a5935976

  • SHA1

    583b6d6a47d94030167268af31f303b1accb56d3

  • SHA256

    6b44480daa9151ecafd92c15e2aca85af37f441d8ee2010ff4c9b2e4adb0666d

  • SHA512

    fbe6b56436a06311feac3043305b43851a256505839b852b68db23409e83cf3db63afec0bee49d9f3bb00d792a5318726b0f0b4e0cd737737b904c67ef67ad58

  • SSDEEP

    6144:hcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37ADOgcV9U:hcW7KEZlPzCy37ADn

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

elpida.no-ip.org:1604

Mutex

DC_MUTEX-7EDJZ4Q

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    ocbxghCRk7D3

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 17 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 37 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 18 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b05e8c21e30f253d77718709a5935976.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b05e8c21e30f253d77718709a5935976.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:3400
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4940
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:540
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1348
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4728
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4848
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3624
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5908
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5228
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3528
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4252
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2708
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4176
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3616
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:6120
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4780
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:852
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3620
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3188
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:908
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4036
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1436
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5928
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3272
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1904
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5952
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5368
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4848
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1692

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

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Downloads

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

    Filesize

    349KB

    MD5

    b05e8c21e30f253d77718709a5935976

    SHA1

    583b6d6a47d94030167268af31f303b1accb56d3

    SHA256

    6b44480daa9151ecafd92c15e2aca85af37f441d8ee2010ff4c9b2e4adb0666d

    SHA512

    fbe6b56436a06311feac3043305b43851a256505839b852b68db23409e83cf3db63afec0bee49d9f3bb00d792a5318726b0f0b4e0cd737737b904c67ef67ad58

  • memory/852-86-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/1348-92-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/1348-81-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/1348-111-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/1348-107-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/1348-104-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/1348-100-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/1348-96-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/1348-59-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/1348-61-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/1348-88-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/1348-65-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/1348-85-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/1348-49-0x0000000000A50000-0x0000000000A51000-memory.dmp

    Filesize

    4KB

  • memory/1348-70-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/1348-78-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/1348-74-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/1436-98-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/1692-112-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2708-76-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/3188-90-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/3272-102-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/3400-1-0x00000000006E0000-0x00000000006E1000-memory.dmp

    Filesize

    4KB

  • memory/3400-58-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/3400-0-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/3528-68-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/3528-66-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/3616-79-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/4036-94-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/4252-72-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/4780-83-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/4848-53-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/4848-51-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/4940-57-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/4940-55-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/5368-109-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/5908-63-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/5952-105-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB