Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21-05-2024 05:46

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 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\WeChatApi.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1744
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\WeChatApi.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2392
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2392 -s 304
        3⤵
        • Program crash
        PID:2076

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2392-0-0x0000000072F50000-0x0000000073A44000-memory.dmp

    Filesize

    11.0MB