Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-12-2024 22:59

General

  • Target

    f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe

  • Size

    354KB

  • MD5

    f11d166a763bea0892353e76bd5fc5bc

  • SHA1

    e25207ff69272ca1bd79bb5ee7c418106d4b6863

  • SHA256

    dd3a2e3a7e386d6c2d63d463240ec44b3a7885a9068a3b94c0a7a92a431ebaf1

  • SHA512

    f5bb0a73e9114c5086bc2e8177505f693b2678824c0b217c3fab70cc528ad735cb91154d070d6b3903f6a8bf58eebe9f8c203267b18d15f77a803bc66f959ca5

  • SSDEEP

    6144:Y1bYRD9dqm9+PuG/8dQiDJT8xhxWO5Y9G69R3KBQhrfhhREFL7OhTEZaxQeSzPry:YRYRDreuHdQiMhxDY9GmR3v5fhPEsVaE

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

6939147.no-ip.biz:1604

marwaali69.no-ip.biz:1604

Mutex

DC_MUTEX-F54S21D

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    Js5wQpieVGau

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • 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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.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:4012
    • 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 behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    354KB

    MD5

    f11d166a763bea0892353e76bd5fc5bc

    SHA1

    e25207ff69272ca1bd79bb5ee7c418106d4b6863

    SHA256

    dd3a2e3a7e386d6c2d63d463240ec44b3a7885a9068a3b94c0a7a92a431ebaf1

    SHA512

    f5bb0a73e9114c5086bc2e8177505f693b2678824c0b217c3fab70cc528ad735cb91154d070d6b3903f6a8bf58eebe9f8c203267b18d15f77a803bc66f959ca5

  • memory/4012-65-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4012-1-0x0000000000401000-0x00000000004C1000-memory.dmp

    Filesize

    768KB

  • memory/4012-2-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4012-3-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4012-66-0x0000000000401000-0x00000000004C1000-memory.dmp

    Filesize

    768KB

  • memory/4012-0-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4024-72-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4024-76-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4024-69-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4024-70-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4024-71-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4024-67-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4024-73-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4024-74-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4024-75-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4024-68-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4024-77-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4024-78-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4024-79-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4024-80-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4024-81-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4024-82-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4024-83-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4024-84-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/4024-85-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB