Analysis

  • max time kernel
    179s
  • max time network
    205s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 23:41

General

  • Target

    creal.pyc

  • Size

    64KB

  • MD5

    d8cd9403e6a921255a8445ff764c5462

  • SHA1

    ffb521167871584ede34ad1d58d4c271fe7d2efc

  • SHA256

    1bb6a413a556047809939bffaacb98796d1f94645d7341d8afe4bb0262e3f0bc

  • SHA512

    81c714a00e5d89aec7da216181b25ca7d71e606792e8aa18af837c083c070d40f42843ef2ede8a214a26840be60c90b292770a1c56f3fdbc6276d2d7217a467f

  • SSDEEP

    1536:7Tr7e+0Ql9pObo8BHWftXASFW08VgeOR2es:7TLYbo8B2VXASNMgeORk

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 21 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\creal.pyc
    1⤵
    • Modifies registry class
    PID:420
  • 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:2364
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\creal.pyc
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:4316
  • C:\Windows\system32\notepad.exe
    "C:\Windows\system32\notepad.exe"
    1⤵
      PID:5012

    Network

          MITRE ATT&CK Enterprise v15

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          Downloads