Analysis

  • max time kernel
    588s
  • max time network
    507s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-03-2023 20:19

General

  • Target

    MultiMC/Qt5Core.dll

  • Size

    5.1MB

  • MD5

    9c31c47941edd8aed4bb51a3be9c6ea2

  • SHA1

    e83d8c04fec834086a018f8bff01b614ef6e3341

  • SHA256

    79b83c43af99a9cb72a744ae2262c090227907907e8f2deb937cd4e1f0965e4d

  • SHA512

    9763960a8118ab558e1a26abef275cddb323449608eb4f8518b82fa67d34ffc1d146f4f6b3e072317d8b0af5e95ca84bcdeca838ec150d4b3ef2e748c0a9d961

  • SSDEEP

    98304:paO5O7s0XerbbAJIaKSA31cCvErDsNYWZSgkvDFPJsv6tWKFdu9CQlld0:BOoZX8O1cBdUSg8DNJsv6tWKFdu9CQZ

Score
3/10

Malware Config

Signatures

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\Qt5Core.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1068
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\Qt5Core.dll,#1
      2⤵
        PID:2272
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 676
          3⤵
          • Program crash
          PID:1584
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2272 -ip 2272
      1⤵
        PID:1900

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2272-133-0x0000000068880000-0x0000000068DAF000-memory.dmp
        Filesize

        5.2MB

      • memory/2272-134-0x000000006E940000-0x000000006E964000-memory.dmp
        Filesize

        144KB

      • memory/2272-135-0x0000000064940000-0x0000000064954000-memory.dmp
        Filesize

        80KB

      • memory/2272-136-0x000000006FC40000-0x000000006FD41000-memory.dmp
        Filesize

        1.0MB