Analysis

  • max time kernel
    135s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 05:42

General

  • Target

    WeChatApi.dll

  • Size

    5.0MB

  • MD5

    157c57a92635d9c40ddf2eba58284457

  • SHA1

    52e10c140fb27849fd2540512cee2771f2fd5649

  • SHA256

    324198f66360d0cd7a02d80a10f93cc3e68af49c3f791dcdd2f6a3851ca52f89

  • SHA512

    426925ab44ecbbf2c4a0fe2f4dd29d73b17546a920be1154a4440e78ef6d270b5469f900d2a7d115572102e583388448ed72209e21690d0b4e370cabc446b402

  • SSDEEP

    98304:0JBv7h2XtZIQipeqGlhAimjMzMMeGStjlyfdvHXx6RBlbXhazbze8cd:U7CZDjqGjAiPzLe5j8lfh+B9X/

Score
7/10

Malware Config

Signatures

  • VMProtect packed file 1 IoCs

    Detects executables packed with VMProtect commercial packer.

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\WeChatApi.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4316
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\WeChatApi.dll,#1
      2⤵
        PID:2128
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 624
          3⤵
          • Program crash
          PID:2812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2128 -ip 2128
      1⤵
        PID:764

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2128-0-0x0000000074480000-0x0000000074F74000-memory.dmp

        Filesize

        11.0MB