Analysis

  • max time kernel
    1473s
  • max time network
    1495s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241023-en
  • resource tags

    arch:x64arch:x86image:win11-20241023-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06/11/2024, 09:02

General

  • Target
    Windowkill/Windowkill/steam_settings/build_id.txt
  • Size 8B
  • Sample241106-kzvbvsxdlc
  • SHA256 a84c1e1aa5aa46ac7a58c8fe45c4512769e2495f0224a32cec0e3d140492d0e2
  • MD5 SHA1 SHA512
Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Windowkill\Windowkill\steam_settings\build_id.txt
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Windowkill\Windowkill\steam_settings\build_id.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:3704

Network

        MITRE ATT&CK Enterprise v15

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        Downloads