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Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/04/2024, 21:35

General

  • Target

    e356bc4de872e244470ac69afed47ad6_JaffaCakes118.exe

  • Size

    252KB

  • MD5

    e356bc4de872e244470ac69afed47ad6

  • SHA1

    e189ecbaf8a57c7dc8c96b25cc54841f2d871a2c

  • SHA256

    104f5602ad56976bcb9eda6e979ae60242e98e4edbbd17bf2c01a2a55f55b208

  • SHA512

    a7e7e72178615c53346fd11394ca96a860deaa2a64ea2a468b988c4e453aa69e135ca736a79bb851c9eb480983252f1e3020c690e6e9b7f14bbaea363c0e54d8

  • SSDEEP

    6144:x+A1yrimEU/EztV++Jbtd4lfn8hFXbTom85FMnH:xNgrimr/EztV++JZd4lfnSTo7F

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 51 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e356bc4de872e244470ac69afed47ad6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e356bc4de872e244470ac69afed47ad6_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4972
    • C:\Users\Admin\siupin.exe
      "C:\Users\Admin\siupin.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2960
  • 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=3348 --field-trial-handle=3488,i,1267426273081718772,6254127258555406296,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3444

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\siupin.exe

      Filesize

      252KB

      MD5

      76a1c9aa15931569f9a6d4b28dcfbb41

      SHA1

      1953cb05c3a59b7521cc186d56493c93ede9aef9

      SHA256

      07cbe5b3634a0673386dc0f40de026cdb88e96087ba2c831cef0ab90cc50551d

      SHA512

      6ad940722031c5a061b41fa7ea8be828c2bc5fa97078fb7235635190eba5adfc26b2dadf4eb81117a7e387d3f505548adbbcdfb8a803d5d0902c9e4af1e9beee