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Analysis

  • max time kernel
    45s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    13/02/2023, 16:32 UTC

General

  • Target

    lang.bat

  • Size

    1KB

  • MD5

    657b84e6f9b5a375e4766813da6f5db0

  • SHA1

    4c6e5b27342b9eaae0c2f60c46f5b9ed59696f0a

  • SHA256

    e5fe1ce1137dfcdb603d4a31411659cb0846b5327d4a9dd1a6cb7e8219b409ae

  • SHA512

    271aa8146a006dfb1c196ada87e02d54a72b6f4d35971e6b41131cd8ec3ee0e4468cfadd24331c75627985f7fea337c010d36683be52a80394d25e98be88aaa9

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\lang.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Windows\system32\cmd.exe
      cmd.exe /c start /b /min copy /Y C:\Windows\System32\rundll32.exe C:\ProgramData\p4VvpBZGbyg.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:936
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /K copy /Y C:\Windows\System32\rundll32.exe C:\ProgramData\p4VvpBZGbyg.exe
        3⤵
          PID:1916

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2020-56-0x000007FEFC2C1000-0x000007FEFC2C3000-memory.dmp

      Filesize

      8KB

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