Analysis

  • max time kernel
    140s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-08-2024 19:03

General

  • Target

    b4a9126607120f70006d9e498b2c01af_JaffaCakes118.exe

  • Size

    241KB

  • MD5

    b4a9126607120f70006d9e498b2c01af

  • SHA1

    cf3a90f82e70f78c608fb53951eacec05de74ebe

  • SHA256

    9cd0e31879104f9de239b8c26d99c2e3585f057c2e2e22fa94992ff066323986

  • SHA512

    d0f605ab4c477433199510807f98d4b2c018d2ce7440aaf8b42ed1e2823c41edf3f3d108d3745a27807df238e2a7f862a733673a5e764a4353fb9ebcc8f62f60

  • SSDEEP

    6144:lkeENDvTSn2SV/GuhYdViC7X57+nMMg9yLN4KV:lNEND/k/GLPX57+nQ9KNHV

Malware Config

Signatures

  • UPX packed file 6 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
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4a9126607120f70006d9e498b2c01af_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b4a9126607120f70006d9e498b2c01af_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    PID:2536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2536-0-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/2536-11-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/2536-12-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/2536-13-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/2536-17-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/2536-19-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB