Analysis

  • max time kernel
    133s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/01/2024, 23:15

General

  • Target
    v2009/data/MFC42.dll
  • Size 248KB
  • Sample240131-28yt3sgcdj
  • SHA256 823085ae318bef15d41ec27ffa59144ab320d40ddbdb8f9dbc2083d1b8cbcf26
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • VMProtect packed file 2 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\v2009\data\MFC42.dll,#1
    1⤵
      PID:3196
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 628
        2⤵
        • Program crash
        PID:3648
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\v2009\data\MFC42.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:4208
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3196 -ip 3196
      1⤵
        PID:5000

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            memory/3196-0-0x0000000010000000-0x0000000010573000-memory.dmp

            memory/3196-1-0x0000000010000000-0x0000000010573000-memory.dmp