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Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03/01/2025, 18:14

General

  • Target

    JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe

  • Size

    658KB

  • MD5

    6e88c32f0b1369e3b8fe915c4ce9695d

  • SHA1

    6a19811861c193ba2cac395107e748f5b79e0bb8

  • SHA256

    3fcd38543946990afe3e33779c23c2dff9481cec20db42e181d522604a1e6e87

  • SHA512

    f5cf99f320c6c1fb04a9292a5f5d0bc5f52750c0fc046d97cf05d8f2851d65920bb77a23f416ff14663d825d1112cc5131da23b7ff8e2530338b9610a80c4a4c

  • SSDEEP

    12288:e9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hC:qZ1xuVVjfFoynPaVBUR8f+kN10EBU

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

donatas1.no-ip.biz:1604

Mutex

DC_MUTEX-9D9P6SH

Attributes
  • InstallPath

    MSDCSC\svchost.exe

  • gencode

    UhZ0ESjQBiJy

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.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:2192
    • C:\Users\Admin\AppData\Local\Temp\MSDCSC\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\MSDCSC\svchost.exe"
      2⤵
      • Executes dropped EXE
      • 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:2896
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MSDCSC\svchost.exe

    Filesize

    658KB

    MD5

    6e88c32f0b1369e3b8fe915c4ce9695d

    SHA1

    6a19811861c193ba2cac395107e748f5b79e0bb8

    SHA256

    3fcd38543946990afe3e33779c23c2dff9481cec20db42e181d522604a1e6e87

    SHA512

    f5cf99f320c6c1fb04a9292a5f5d0bc5f52750c0fc046d97cf05d8f2851d65920bb77a23f416ff14663d825d1112cc5131da23b7ff8e2530338b9610a80c4a4c

  • memory/2192-40-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2192-0-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/2616-14-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2616-39-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2896-45-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2896-47-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2896-42-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2896-43-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2896-44-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2896-12-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2896-46-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2896-41-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2896-48-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2896-49-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2896-50-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2896-51-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2896-52-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2896-53-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2896-54-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB