Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/09/2024, 13:32

General

  • Target

    edb1a39dee78af96ad9cb53b238ae666_JaffaCakes118.exe

  • Size

    232KB

  • MD5

    edb1a39dee78af96ad9cb53b238ae666

  • SHA1

    f5a696edcb23d3734b14ff9253a75f3239d402d9

  • SHA256

    ed4dfd1e927fa73323fb4e2e85bf0a105b061e8a70f8e72dbe63f4d4fdc6a331

  • SHA512

    0d34e1db30ed74d01b0da26d937fb00b73aa8e77c188299a4c19110d282dce8db06358bed1e88424c596c00513a267c3a361da21fdf6ec4c73ce8273069a64ad

  • SSDEEP

    6144:G3PFKs7diixRSFBfWEqxF6snji81RUinK51jbkxkuEFV:kPhJuBXVbkxJ6V

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 27 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\edb1a39dee78af96ad9cb53b238ae666_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\edb1a39dee78af96ad9cb53b238ae666_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:392
    • C:\Users\Admin\wkbov.exe
      "C:\Users\Admin\wkbov.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\wkbov.exe

    Filesize

    232KB

    MD5

    741fe09d69e20a09a1e8b96ecd94a1cd

    SHA1

    947c3a6f3f96eddd67231703ca6684cb8d359dc3

    SHA256

    b86babac9477530090779f69dc57ffa5a591a445dadf51ffaa5385bd11fe6fd3

    SHA512

    55e3657ad0604c9acd42a4409ef34761ed9bdc75621344dab3ff8b68e794751901bd76d4d3f9f45a9091fd86e31aa823f64d2ae9fd65ac806f97e9a1354f5a2e