Analysis

  • max time kernel
    131s
  • max time network
    144s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    15-06-2024 14:27

General

  • Target

    Readme.txt

  • Size

    278B

  • MD5

    c4fa0486acefdc5839c65397c3544786

  • SHA1

    63c6b5906fda59a679838cac94ec6662683716b1

  • SHA256

    b70c0d456c224fb2ef6b6daef6176274ff9124e3b6b65a1c1f4dd8700f0b7549

  • SHA512

    7f6e0abcd106c2694f79abbbecfb6b2b6e181597e8129fa3efef1e564651d9ba49e7220edf1235d91adff091886636885e7b09d1f3e375d97196ac42317fac54

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Readme.txt
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1448
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Readme.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:4780

Network

MITRE ATT&CK Enterprise v15

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Downloads