Analysis

  • max time kernel
    135s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-06-2024 11:48

General

  • Target

    01fea2a5165cc79598d4f23981c5bb9e_JaffaCakes118.dll

  • Size

    35KB

  • MD5

    01fea2a5165cc79598d4f23981c5bb9e

  • SHA1

    a91d98092cfe3b6a92e52f8793cd3c2329d720d4

  • SHA256

    758da45258aac2c53ea04f4653650fc7592cf475929d8bf24766d47f3db03c0c

  • SHA512

    643f412b7025871a5c635ecfe0c0b0a5bbd153c6aaccde5fc2aa149799a4f2d2d7eee05837f6778a355b89b8eac5f8062f7510125e63f59cbd85452d0559ebfd

  • SSDEEP

    768:QzgVAB7rcsh1nVNhJLeh6plqhH1umL2z1kED93zv:Mg67rv7jhlekzqhHW1kED9Dv

Score
7/10

Malware Config

Signatures

  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

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

  • Modifies registry class 50 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\01fea2a5165cc79598d4f23981c5bb9e_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:324
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\01fea2a5165cc79598d4f23981c5bb9e_JaffaCakes118.dll
      2⤵
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      PID:1928
  • 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 --field-trial-handle=1300,i,17325488789339133686,9539570259395798500,262144 --variations-seed-version --mojo-platform-channel-handle=4440 /prefetch:8
    1⤵
      PID:4864

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1928-0-0x0000000010000000-0x000000001001A000-memory.dmp

      Filesize

      104KB