Analysis

  • max time kernel
    138s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-06-2024 01:56

General

  • Target

    04d064ef9b6d23a8992ef9b12cd60c82_JaffaCakes118.dll

  • Size

    322KB

  • MD5

    04d064ef9b6d23a8992ef9b12cd60c82

  • SHA1

    9d5a387b0cea50f8f2065d6840525509ea9f45f8

  • SHA256

    c00c7fe84e11118f61c6bb84aa0c6ac76e018d9c505a51548cc540047c946413

  • SHA512

    2aa396328ff110e5a25c7d27915de5287e0f2dbafc74c6885775047868653b9bb5faf55f1c7e03491f40307438aad3fcd1079ba675193b6e725ac46bf76cd42d

  • SSDEEP

    6144:mbP6Z9CvhI966AGkAjOpoaY7onOIcIJZzjN7Za5f:eSZ92q6xGJOpqfI1JZ17Q

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Modifies registry class 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\04d064ef9b6d23a8992ef9b12cd60c82_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:392
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\04d064ef9b6d23a8992ef9b12cd60c82_JaffaCakes118.dll
      2⤵
      • Adds Run key to start application
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:1884
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1340 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4372

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1884-0-0x0000000010000000-0x000000001005C000-memory.dmp

      Filesize

      368KB

    • memory/1884-1-0x0000000002180000-0x00000000021DA000-memory.dmp

      Filesize

      360KB