Analysis

  • max time kernel
    145s
  • max time network
    147s
  • 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/Setup/setup.asm

  • Size

    350B

  • MD5

    8b96cc5c40397271e1a654b8935a4417

  • SHA1

    3bc001f743b6699d59db9dcad900ca3660bc1804

  • SHA256

    bfff992e26badc46d01d04d2ae8e1c28715a903113f9627d27217877124d930c

  • SHA512

    1ab42f138756124299458f4435c16a9fa1991d053f28a29b69f1ea84e4d70e8206f307d931bd12f5530c95794b9cd4e9f9dc5b63913dad57bd3d3189331746d5

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\Setup\setup.asm
    1⤵
    • Modifies registry class
    PID:2700
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1688

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads