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Resubmissions

13/04/2024, 02:33

240413-c1wmbaae33 3

04/05/2023, 18:40

230504-xbm9vsed89 3

Analysis

  • max time kernel
    39s
  • max time network
    11s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/04/2024, 02:33

General

  • Target

    Notes.md

  • Size

    1B

  • MD5

    68b329da9893e34099c7d8ad5cb9c940

  • SHA1

    adc83b19e793491b1c6ea0fd8b46cd9f32e592fc

  • SHA256

    01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b

  • SHA512

    be688838ca8686e5c90689bf2ab585cef1137c999b48c70b92f67a5c34dc15697b5d11c982ed6d71be1e1e7f7b4e0733884aa97c3f7a339a8ed03577cf74be09

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 37 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Notes.md
    1⤵
    • Modifies registry class
    PID:3320
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4964
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Notes.md
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:2688
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4372

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads