Analysis

  • max time kernel
    149s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-05-2024 11:42

General

  • Target

    24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe

  • Size

    251KB

  • MD5

    24b1352f5a83c1a4312d9f5107ab4c49

  • SHA1

    e7748fbc5d762ca129f1c5d5a63d12ef0bbe479f

  • SHA256

    9a8d9acaad5491f3bace47f75de44fcec18d966d9224c0c33b092de9f5ac5180

  • SHA512

    7595b8f840f587e53509e0f7127e5de48f0351ddacc38affbc92f1918e5b816fd83394bb6db8c13f387c768845e9ce7288610d183fd63953956573979a981ff7

  • SSDEEP

    6144:JcNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PHQ:JcWkbgTYWnYnt/IDYhP

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-XBAVWJC

Attributes
  • gencode

    ZfsZ1D19rBuA

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • UPX packed file 10 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).

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\24b1352f5a83c1a4312d9f5107ab4c49_JaffaCakes118.exe"
    1⤵
    • Modifies firewall policy service
    • Disables RegEdit via registry modification
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1784
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
        PID:4920

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1784-0-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/1784-1-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

      Filesize

      4KB

    • memory/1784-3-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/1784-4-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/1784-7-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/1784-8-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/1784-9-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/1784-10-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/1784-12-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/1784-15-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/1784-17-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/4920-2-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

      Filesize

      4KB