Analysis

  • max time kernel
    142s
  • 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
    20-04-2024 07:33

General

  • Target

    fc3fe9d15a66ea65593c4d07a3b8bf40_JaffaCakes118.exe

  • Size

    3.0MB

  • MD5

    fc3fe9d15a66ea65593c4d07a3b8bf40

  • SHA1

    917b947f3288cdb268b4008d0625ad96ada116f5

  • SHA256

    1e53c858208435c36959bc596b346f112dcccc12ff4e76b506185eea654b58cd

  • SHA512

    0ce32d3ae3caf5ab662f9388abf62e111ca9ff5ce910203f2bb0c1267845ee7ee4370b4dc5736c5ac824fd2fffc0dfa0af1d16b6691ab3d43b194157e887b218

  • SSDEEP

    49152:4sKfP9MS4qOjZrkvPMCjniz19tmETFPf9W0yDIqBfpBgJhlQg3031D+p99eSFfvh:4sYP9MSHoZrIUCjizzIETkDcJcCjfZ

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • 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.

  • Suspicious use of SetWindowsHookEx 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc3fe9d15a66ea65593c4d07a3b8bf40_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fc3fe9d15a66ea65593c4d07a3b8bf40_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Identifies Wine through registry keys
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of SetWindowsHookEx
    PID:2132
  • 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=1412 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4736

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Pre-OS Boot

    1
    T1542

    Bootkit

    1
    T1542.003

    Defense Evasion

    Virtualization/Sandbox Evasion

    2
    T1497

    Pre-OS Boot

    1
    T1542

    Bootkit

    1
    T1542.003

    Discovery

    Query Registry

    2
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2132-0-0x0000000000400000-0x00000000008BE000-memory.dmp
      Filesize

      4.7MB

    • memory/2132-1-0x0000000000400000-0x00000000008BE000-memory.dmp
      Filesize

      4.7MB

    • memory/2132-2-0x0000000004750000-0x0000000004751000-memory.dmp
      Filesize

      4KB

    • memory/2132-3-0x0000000000400000-0x00000000008BE000-memory.dmp
      Filesize

      4.7MB

    • memory/2132-4-0x0000000000400000-0x00000000008BE000-memory.dmp
      Filesize

      4.7MB