Analysis

  • max time kernel
    155s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-04-2024 19:37

General

  • Target

    fd7ce5a1c34d481bedbb9bd19163e7dc_JaffaCakes118.exe

  • Size

    226KB

  • MD5

    fd7ce5a1c34d481bedbb9bd19163e7dc

  • SHA1

    7728a918f480af76b6b01dba44a72c2d46eac162

  • SHA256

    04ed719489ad862624dca302df9a4dd27b9ca81542d59797fcbb1b3447ea4b04

  • SHA512

    29cb73d70a70ae42695f5f807d368062dac849d6e01818c44b17d2ce2285899aaa2655fd8e5d09342df380dbbe07c375ba295351f72b6c06fd436855910aed6d

  • SSDEEP

    3072:JKzHP7S5RevZxGocIUmDx7jSuBXth8TvbRjoeSaMCUt3HRTb6G4QLYzKI3MPQzHR:UHTS5R60HIlS6XebRMe7TUjT34Q8zX/J

Malware Config

Signatures

  • UPX packed file 9 IoCs

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

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd7ce5a1c34d481bedbb9bd19163e7dc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fd7ce5a1c34d481bedbb9bd19163e7dc_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:5104
  • 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=4048 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2920

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Pre-OS Boot

    1
    T1542

    Bootkit

    1
    T1542.003

    Defense Evasion

    Pre-OS Boot

    1
    T1542

    Bootkit

    1
    T1542.003

    Subvert Trust Controls

    1
    T1553

    Install Root Certificate

    1
    T1553.004

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/5104-0-0x0000000000400000-0x0000000000485000-memory.dmp
      Filesize

      532KB

    • memory/5104-1-0x0000000000400000-0x0000000000485000-memory.dmp
      Filesize

      532KB

    • memory/5104-2-0x0000000000400000-0x0000000000485000-memory.dmp
      Filesize

      532KB

    • memory/5104-21-0x0000000000400000-0x0000000000485000-memory.dmp
      Filesize

      532KB

    • memory/5104-22-0x0000000000400000-0x0000000000485000-memory.dmp
      Filesize

      532KB

    • memory/5104-23-0x0000000000400000-0x0000000000485000-memory.dmp
      Filesize

      532KB

    • memory/5104-26-0x0000000000400000-0x0000000000485000-memory.dmp
      Filesize

      532KB

    • memory/5104-28-0x0000000000400000-0x0000000000485000-memory.dmp
      Filesize

      532KB

    • memory/5104-30-0x0000000000400000-0x0000000000485000-memory.dmp
      Filesize

      532KB