Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2025 23:18

General

  • Target

    JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe

  • Size

    724KB

  • MD5

    613fdc038b6adf912463aaf9d9598541

  • SHA1

    9cb541d24d3ed663ec28e5631c803013df4e960e

  • SHA256

    072b5711ab18c1deba6e33b60ab4f6e93305879abb8abad2cd34c6edf3e147f0

  • SHA512

    78cb3f7e102a78a31ef7ca60e221f2f9483cbb9ac072d125f933dfb2a9294184b85bbb521e15ddf1a88439df267082210a3dc1f85ba11bcffacce5867bdfa8dc

  • SSDEEP

    12288:19HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hrg:/Z1xuVVjfFoynPaVBUR8f+kN10EBlg

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

ahmadludin.no-ip.biz:200

Mutex

DC_MUTEX-SQNLX1W

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    zlPkgSMaaLDj

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    rundll32

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 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_613fdc038b6adf912463aaf9d9598541.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_613fdc038b6adf912463aaf9d9598541.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:2100
    • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
      "C:\Users\Admin\AppData\Local\Temp\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
      • Suspicious use of WriteProcessMemory
      PID:2356
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2292

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe

    Filesize

    724KB

    MD5

    613fdc038b6adf912463aaf9d9598541

    SHA1

    9cb541d24d3ed663ec28e5631c803013df4e960e

    SHA256

    072b5711ab18c1deba6e33b60ab4f6e93305879abb8abad2cd34c6edf3e147f0

    SHA512

    78cb3f7e102a78a31ef7ca60e221f2f9483cbb9ac072d125f933dfb2a9294184b85bbb521e15ddf1a88439df267082210a3dc1f85ba11bcffacce5867bdfa8dc

  • memory/2100-0-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2100-51-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2292-12-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2292-50-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2356-55-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2356-59-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2356-54-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2356-52-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2356-56-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2356-57-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2356-58-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2356-53-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2356-60-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2356-61-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2356-62-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2356-63-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2356-64-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2356-65-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB