Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/04/2024, 23:32

General

  • Target
    c4bc78e2eec024e2c58622cf0316741e_JaffaCakes118.exe
  • Size 368KB
  • Sample240404-3jk3csde9t
  • SHA256 9032379976e8e8d25d88286565f39fe5dec3fb109a022cee3c450ba454c5c501
  • MD5 SHA1 SHA512 SSDEEP
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 52 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c4bc78e2eec024e2c58622cf0316741e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c4bc78e2eec024e2c58622cf0316741e_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4236
    • C:\Users\Admin\nzwuq.exe
      "C:\Users\Admin\nzwuq.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
      • Suspicious use of WriteProcessMemory
      PID:3340

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        nzwuq.exe

        • Path C:\Users\Admin\nzwuq.exe
        • Size 368KB
        • SHA256 3a1699e3e2e295627ca12081753558ba63797169c93e9816e2a57b208f540d89
        • MD5 SHA1 SHA512 SSDEEP