Analysis

  • max time kernel
    85s
  • max time network
    89s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    10/08/2022, 19:52

General

  • Target
    xRPq9dE9O8Nw.exe
  • Size 465KB
  • Sample220810-yldnvaeccr
  • SHA256 9cbde46a7df0a6e7ba3ec5099c4b4fc087d027e3016f8486ad17efe5261af8e2
  • MD5 SHA1 SHA512
Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\xRPq9dE9O8Nw.exe
    "C:\Users\Admin\AppData\Local\Temp\xRPq9dE9O8Nw.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\zavwjridbrokanurwpakfiysqidvuiocp.vbs"
      2⤵
      • Deletes itself
      PID:764

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        zavwjridbrokanurwpakfiysqidvuiocp.vbs

        • Path C:\Users\Admin\AppData\Local\Temp\zavwjridbrokanurwpakfiysqidvuiocp.vbs
        • Size 520B
        • SHA256 708e9a3363d4e48c04af5b0369039e3487b465897dac195144664da0352b0da6
        • MD5 SHA1 SHA512

        memory/1660-54-0x0000000074F41000-0x0000000074F43000-memory.dmp