Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-04-2024 19:06

General

  • Target

    MultiMC/themes/custom/themeStyle.css

  • Size

    80B

  • MD5

    dd96d2e9d593a1eca66cc72c6750e5a6

  • SHA1

    b0126baafff44463767e5eb350945d20979f16d4

  • SHA256

    12618cc9271af83a210ddedb26670e40ba2d6a740cfaa262c069e71be2c16898

  • SHA512

    e41c9ed9acf4c32f17ec63e2b0509e62fa970cc6eb64e7b1329dc71baf4f4a99ddd57f4a613fcb11780711eb5afeda471248e76452bd20dc8f1b5918335017f5

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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\MultiMC\themes\custom\themeStyle.css
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\MultiMC\themes\custom\themeStyle.css
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:1040

Network

MITRE ATT&CK Enterprise v15

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Downloads