Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    24-02-2024 22:05

General

  • Target

    readme.txt

  • Size

    15KB

  • MD5

    331b2daa1922a441f02a38c7a2248312

  • SHA1

    d3baa51871f5128bd216706b56094a7bacfc0793

  • SHA256

    f3d8cd1a5d64d61b17ef4918542f2d6a531412b1317d48cc32fb74ffd8acbe88

  • SHA512

    e151de0c1cc3ce9764e568fb7ae023b98413cf85c2a335591eedc3426682a7928444f5fb73b4a084559abad8c03a1b03de3453cabcb03c8eb9b115a75644a5b9

  • SSDEEP

    384:UmfiY7ABU+H2imTAh0JLFjYdVVh+qWoIP:UmfiY7AS+xOJhsdjVW3

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:2396
    • 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:3388

Network

MITRE ATT&CK Enterprise v15

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Downloads