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
    15-12-2024 09:20

General

  • Target

    f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe

  • Size

    658KB

  • MD5

    f354fe54a8c1c49d5dc7fce13f6b5458

  • SHA1

    aa55c82fe69c47749097990b60c5136c168db863

  • SHA256

    395217f00e128d72ab7ccb1a198e7b366b34ebb051a02b28297eaa5fcb5abc09

  • SHA512

    bcd579cf4baac21941c60652cf22697ea82a69e2486881f47cec7719077441dea8bb53e53a3d3e1948900e4d4911a8caa382b0ad4c4220b6f69152d4c565f141

  • SSDEEP

    12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hK:eZ1xuVVjfFoynPaVBUR8f+kN10EBQ

Malware Config

Extracted

Family

darkcomet

Botnet

Slave

C2

mrdaniel.no-ip.org:18418

Mutex

DC_MUTEX-AGN4CQ3

Attributes
  • InstallPath

    SystemM\SystemHJ.exe

  • gencode

    KkWtqDcdwDun

  • 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 2 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.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:2528
    • C:\Users\Admin\AppData\Roaming\SystemM\SystemHJ.exe
      "C:\Users\Admin\AppData\Roaming\SystemM\SystemHJ.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:1616

Network

  • flag-us
    DNS
    mrdaniel.no-ip.org
    SystemHJ.exe
    Remote address:
    8.8.8.8:53
    Request
    mrdaniel.no-ip.org
    IN A
    Response
No results found
  • 8.8.8.8:53
    mrdaniel.no-ip.org
    dns
    SystemHJ.exe
    64 B
    124 B
    1
    1

    DNS Request

    mrdaniel.no-ip.org

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\SystemM\SystemHJ.exe

    Filesize

    658KB

    MD5

    f354fe54a8c1c49d5dc7fce13f6b5458

    SHA1

    aa55c82fe69c47749097990b60c5136c168db863

    SHA256

    395217f00e128d72ab7ccb1a198e7b366b34ebb051a02b28297eaa5fcb5abc09

    SHA512

    bcd579cf4baac21941c60652cf22697ea82a69e2486881f47cec7719077441dea8bb53e53a3d3e1948900e4d4911a8caa382b0ad4c4220b6f69152d4c565f141

  • memory/1616-18-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1616-24-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1616-20-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1616-21-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1616-14-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1616-16-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1616-17-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1616-19-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1616-28-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1616-27-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1616-15-0x0000000000650000-0x0000000000651000-memory.dmp

    Filesize

    4KB

  • memory/1616-22-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1616-23-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1616-11-0x0000000000650000-0x0000000000651000-memory.dmp

    Filesize

    4KB

  • memory/1616-25-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1616-26-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2528-13-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2528-0-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

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