Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-11-2024 00:54

General

  • Target

    FnPuller.pyc

  • Size

    28KB

  • MD5

    bcc9dd0d1310bddac3a52fc95ce2bc0b

  • SHA1

    bd3144b8f9c97084342fbc87c9af0e1c95b41520

  • SHA256

    f0919b3ea04506a3498d7a42d792a7ac15661425884f42296b7683e08bcec228

  • SHA512

    db6dc3528ab973db406f702d7f4d832b4f6ebe39f906782dd685c1a508282f386e612ddfa6c24facc831805b4d57769549844f3a56fd2c4894deafcdff15a8f7

  • SSDEEP

    768:TWFBrYykyutXEH8SEQCsraKmIIF+EncA2:TlZyO+EoG6m+5

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\FnPuller.pyc
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\FnPuller.pyc
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2652
      • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
        "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\FnPuller.pyc"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:2856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

    Filesize

    3KB

    MD5

    096cff0d3fd7f24e190630e8b0e9f968

    SHA1

    58407779ccc820a3dbf75db62d026e12ae31a479

    SHA256

    97039183b270944a392f4bcc9cdd382dc6deb7a2d9e019fe15f1c1028a9de797

    SHA512

    51fcaa27b95e58529164857eaaa55604c400e0bed28e1282e9dbd6d111a40fd8b817805453f3ce42b3cc21344c02eb6e4d5bcb269150c099d88a035d799fb70b