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Analysis

  • max time kernel
    162s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/07/2024, 09:29

General

  • Target

    1ac5ebcf7577694edc21981339deee8f_JaffaCakes118.exe

  • Size

    136KB

  • MD5

    1ac5ebcf7577694edc21981339deee8f

  • SHA1

    0a9f7fe05ff89d574a95b04b475cab6851af8df0

  • SHA256

    d20c0942281afeed41c41ea4f8cec50bca4d3369dd70cc200959c7eb447cc9de

  • SHA512

    67bc965125780aaf0981a4144b8b60b9f7a9b6f263611c91759cd2ad67c06103fd253765c65379bc64a8a08c063f28317596ec62373e8c674eba99e939fc19da

  • SSDEEP

    1536:kQMvLBV85nPn5Qa6NUbaxaZ65gX4Tv9u2y0aZAbs/nLgiow28fz+DliO3MxTXdM0:AvtVh7UbaxHgOg/n8if7hTtMWP

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 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 48 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\1ac5ebcf7577694edc21981339deee8f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1ac5ebcf7577694edc21981339deee8f_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Users\Admin\kiogae.exe
      "C:\Users\Admin\kiogae.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:764
  • 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=3700 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:416

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\kiogae.exe

      Filesize

      136KB

      MD5

      6cf2f1fb7776e64894b7e3791d305490

      SHA1

      50e5533e52b5f237e0ee977de9ea64d8f676a675

      SHA256

      13469923f331e604bff6779f087267b3d1c5aed5cce1c7413ee3d43cb9a656f6

      SHA512

      388b335de104ef7a1fc6dd3cf79405fc4b1b53f57a9baf79aa53e99fd69f2fbbd5ba96646be899f27b5493f11ec206edc207ff9c3b84a6d96a8698badda0e849