Analysis

  • max time kernel
    49s
  • max time network
    52s
  • 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/setupSpeaker.asm

  • Size

    214B

  • MD5

    fe86e234451b6d0655368c50dab7d88e

  • SHA1

    26317f7ddc6add296c1df039f2ffa8bf41ae846b

  • SHA256

    cfdd806a114d75851503ae3bdc3fd070ef3dcd8da055bf7e24c3d4bc991d5892

  • SHA512

    0f26cf0366683cbd64fea210b0865a16b3e07ed30229667b569e8a07a67c5aacbf693c130d369906a25e9342e2ac96a9d8655eb68bf6d63e768348aa387f2999

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\setupSpeaker.asm
    1⤵
    • Modifies registry class
    PID:1680
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2140

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads