Analysis

  • max time kernel
    109s
  • max time network
    139s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    14-03-2024 04:37

General

  • Target

    README.txt

  • Size

    928B

  • MD5

    4a696fefeef0bae73a3358e7bba47413

  • SHA1

    da4ba272db35131c93af20d019d10502c80485a5

  • SHA256

    dc45080b1009ad874227ef73d1cadfc8ee13eb9778d49830da102af248b6f067

  • SHA512

    5be178f006d42816b2c5ef237bdc117058d624561318393e4e75ec36e12c2349e8fb8f3c0a9bcefd78891b0cbb4e57a8e27542b79af6af474b40a5a2b1c06382

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:3800
    • 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:1648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads