Overview

overview

10

Static

static

10

Tools.exe

windows10-1703-x64

7

creal.pyc

windows10-1703-x64

10

Resubmissions

15-04-2024 19:47

240415-yhvsysee92 10

11-02-2024 21:53

240211-1rtncsbh6y 10

11-02-2024 16:00

240211-tf4wmahe8s 10

Analysis

  • max time kernel
    149s
  • max time network
    130s
  • platform
    windows10-1703_x64
  • resource
    win10-20231215-en
  • resource tags

    arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11-02-2024 21:53

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General

  • Target

    creal.pyc

  • Size

    32KB

  • MD5

    651717bdcddac421fd3ffa1e23f14ece

  • SHA1

    3074d6ad6c2cbce00a9de2307d1664d80d890c39

  • SHA256

    18c562fc51a4b30bca6aeca0e07bd3455b0aab96441dea4be498051783bd80b2

  • SHA512

    1c35e2905a026f7eda5dc7675967c7b41ca055f3efe9eb89d5f152160f3bb4165286adad16fcda72834bb684b10627824dfda3187e03990f3703d9d2943dfd9e

  • SSDEEP

    768:L8Dnr72VsfNEiyGuAfKFMrRtfqtvEwS7bnjerAroaHjsIAcn8YC06X:IjrveZaKFcfDwS7fuPc8YD6X

Score
10/10
crealstealerstealer

Malware Config

Signatures

  • An infostealer written in Python and packaged with PyInstaller. 1 IoCs
  • crealstealer

    An infostealer written in Python and packaged with PyInstaller.

    stealercrealstealer
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 19 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\creal.pyc
    1⤵
    • Modifies registry class
    PID:356
  • 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:852
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\creal.pyc
      2⤵
      • Modifies Internet Explorer Phishing Filter
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2400
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2400 CREDAT:82945 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:5024
  • C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe"
    1⤵
      PID:3980

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\Desktop\creal.pyc
      Filesize

      32KB

      MD5

      651717bdcddac421fd3ffa1e23f14ece

      SHA1

      3074d6ad6c2cbce00a9de2307d1664d80d890c39

      SHA256

      18c562fc51a4b30bca6aeca0e07bd3455b0aab96441dea4be498051783bd80b2

      SHA512

      1c35e2905a026f7eda5dc7675967c7b41ca055f3efe9eb89d5f152160f3bb4165286adad16fcda72834bb684b10627824dfda3187e03990f3703d9d2943dfd9e

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