Analysis

  • max time kernel
    143s
  • 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
    19-04-2024 23:46

General

  • Target

    fb6f7034035e1f48971893a3fe84bc0f_JaffaCakes118.exe

  • Size

    229KB

  • MD5

    fb6f7034035e1f48971893a3fe84bc0f

  • SHA1

    243f70e903ec024cf32b7d3d7d4c2c5268a609a6

  • SHA256

    49f551cb6f631508a9b625220f926a5ae2759862396e6f4b48a85bcb7bfb0472

  • SHA512

    1fc02585eb38b29e8150792bccbad781c8017788bdfc7cf7884449f2718e73d49f8cdeeac2a8e928211cbfd31df156705b0d07dc00687cfc2594e9ce5439452b

  • SSDEEP

    3072:tXsLr+Vr7+rV6teKbXJAiIQ/OL5FLDeb8vtDPktCrT6es11ZQ40fmVJlvinF/wUw:tEieV6teK72HqbccF1F0mVhxv

Malware Config

Signatures

  • UPX packed file 7 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\fb6f7034035e1f48971893a3fe84bc0f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fb6f7034035e1f48971893a3fe84bc0f_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:1348
  • 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=1416 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4596

    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/1348-0-0x0000000000400000-0x0000000000487000-memory.dmp
      Filesize

      540KB

    • memory/1348-19-0x0000000000400000-0x0000000000487000-memory.dmp
      Filesize

      540KB

    • memory/1348-20-0x0000000000400000-0x0000000000487000-memory.dmp
      Filesize

      540KB

    • memory/1348-22-0x0000000000400000-0x0000000000487000-memory.dmp
      Filesize

      540KB

    • memory/1348-26-0x0000000000400000-0x0000000000487000-memory.dmp
      Filesize

      540KB

    • memory/1348-28-0x0000000000400000-0x0000000000487000-memory.dmp
      Filesize

      540KB

    • memory/1348-29-0x0000000000400000-0x0000000000487000-memory.dmp
      Filesize

      540KB