Analysis

  • max time kernel
    52s
  • max time network
    139s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    16-02-2023 20:43

General

  • Target

    MEMZ-master/NyanMBR/Source/Stage2/Animation/Image/drawIntroFrame.asm

  • Size

    400B

  • MD5

    b7f8578312d53d47470ca7e0fd84c793

  • SHA1

    c240c2583c42c6075c1b297b575895399fcad783

  • SHA256

    ce225eb4419aeb6edf8df705b638b93536e92fc2c32a8a57c80d0ebaba494a31

  • SHA512

    bd8c92106fe21a2279e73193fdf788ab907b7be91b3ebfb37439f09d99a86fb584f9d7f81b15f5b88bca8d76095bb8e2093af41113d1c23c452dc43b4f88fa19

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\MEMZ-master\NyanMBR\Source\Stage2\Animation\Image\drawIntroFrame.asm
    1⤵
    • Modifies registry class
    PID:2772
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4724

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads