Analysis

  • max time kernel
    150s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 03:44

General

  • Target

    untitled folder/.ds_store

  • Size

    8KB

  • MD5

    41b50c2c13a940d9d3f061017a24c2f4

  • SHA1

    fa09471a46dc7d1b98c858f0d963d4a40eebd8ca

  • SHA256

    f4d0a32752b1a4581905c1ef5fc19026c06e7230ef2bc62ff8870c291dab9d23

  • SHA512

    cb973164bdf2bf9ab8a3d87f6be294e6fb238020dcd6059de4b0efa546ffbe44249606bafe29028211ca973dc310ee1b32e69791c08624445460b95042d09d0d

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 10 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\untitled folder\.ds_store"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\untitled folder\.ds_store
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:952
      • 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\untitled folder\.ds_store"
        3⤵
        • Suspicious use of SetWindowsHookEx
        PID:280

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/280-81-0x0000000000000000-mapping.dmp

  • memory/280-82-0x00000000768D1000-0x00000000768D3000-memory.dmp

    Filesize

    8KB

  • memory/952-76-0x0000000000000000-mapping.dmp

  • memory/1096-54-0x000007FEFBFC1000-0x000007FEFBFC3000-memory.dmp

    Filesize

    8KB