Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    13-06-2024 13:15

General

  • Target

    biosdrain-master/README.md

  • Size

    1KB

  • MD5

    e686f95fd006b9b6a6581b50f5680f72

  • SHA1

    582005f46a6c41335717d32c0b5031adfc3474ee

  • SHA256

    67b3939a5c1a2ded5c65451d2fd5295b57d6349601e0d6f243c333173fffd896

  • SHA512

    e67b18084dabc90f2238ecf9d0f48e3a0de8a34132710dbd9bab7244225f9752cacb4f33dd59ae592f5cd25b3a8d2716d80dcecb418c292e589293ba9648cc07

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\biosdrain-master\README.md
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\biosdrain-master\README.md
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2664
      • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
        "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\biosdrain-master\README.md"
        3⤵
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:2692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

    Filesize

    3KB

    MD5

    145e3f1b638be569c72f9dc2ed3d94b4

    SHA1

    c1f9f6398533280e8a14f5c4684374b65e175bbb

    SHA256

    6d141f174a4dcb2e7d8c28a773126235f822fe48fea2479f4cf174e6b52ab04c

    SHA512

    5a1362001652478f5c3689739d0f8c52feba78c2ff91331aa96c05826dcd27f489df5a73336d24f6556b6b9e474565c6d16e6d1e510c42bac3d662d17bb4c111