Analysis

  • max time kernel
    161s
  • max time network
    189s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-12-2023 01:30

General

  • Target

    Creal.pyc

  • Size

    29KB

  • MD5

    b3e0be3a38fd9796f8bc757561bf3e41

  • SHA1

    15ed44d498b5db7fe52a713d8882fde387933d73

  • SHA256

    c53212becc5b50f0740c9536965ac8141b3cf082518b49c8018aa5aedfec28bf

  • SHA512

    79a377624eade62eddcf1462bd5b6d275c81f494bd6dbd7dececd988ce2cabfd6d7ecba6e078e547cb6f83325d6361f9d5cec43877a73470208d21702660d0e2

  • SSDEEP

    768:3+lVSjnrq2VsfNEiyAuMMIfznTZMdpV7ISrx5HQtvK17Cvr:30SDroe3uzTZMB76K176r

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 7 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:1824
  • 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:1960
    • 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:756

Network

MITRE ATT&CK Enterprise v15

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Downloads