Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    13-06-2024 13:15

General

  • Target

    biosdrain-master/OSDInit.c

  • Size

    16KB

  • MD5

    a9aa816e590a0fbf52ad4bbbb2e70697

  • SHA1

    cb688b0c53b06f8ea92409023196e8ab80601d16

  • SHA256

    a44e39a2752c742cfbc7ffc2158303eceb272da64602e92485558a41ffb88767

  • SHA512

    b617fc8a11993ecdbb60aa1dd76d757918235011347c0c328c304d07487c43b77933a6f2a55cba3ed40078616fe3bf8d1443f8fea4d4db6488cbe2b4dae31840

  • SSDEEP

    192:krbUXSges+2UJhbH3BJapjU/2bj6uNdXNoKRJkN2DHK4YelSBy1hQAHbo4+zeGx6:qPst2t+/DfF6y/Lwen0XVW

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 12 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\biosdrain-master\OSDInit.c
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3040
    • 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\OSDInit.c
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2532
      • C:\Windows\system32\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\biosdrain-master\OSDInit.c
        3⤵
          PID:2540

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads