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27/12/2023, 08:26

231227-kcc43afbcn 3

25/12/2023, 05:26

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25/12/2023, 05:23

231225-f3jmbaffh9 1

25/12/2023, 02:44

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Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20231222-en
  • resource tags

    arch:x64arch:x86image:win11-20231222-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    27/12/2023, 08:26

General

  • Target

    test.txt

  • Size

    4B

  • MD5

    098f6bcd4621d373cade4e832627b4f6

  • SHA1

    a94a8fe5ccb19ba61c4c0873d391e987982fbbd3

  • SHA256

    9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08

  • SHA512

    ee26b0dd4af7e749aa1a8ee3c10ae9923f618980772e473f8819a5d4940e0db27ac185f8a0e1d5f84f88bc887fd67b143732c304cc5fa9ad8e6f57f50028a8ff

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\test.txt
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2080
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\test.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:804

Network

MITRE ATT&CK Enterprise v15

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Downloads