Analysis

  • max time kernel
    505s
  • max time network
    509s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    22-04-2023 02:01

General

  • Target

    MultiMC/libLauncher_rainbow.dll

  • Size

    67KB

  • MD5

    7d5bf320ae94e523f42e7970a8da3cc7

  • SHA1

    8407d250a6474dd075bc7e8fc11887bd3552259f

  • SHA256

    56e324a042caf4f3e9a78b5b50bffc1afbe93b95a041963cb4770bb206b33c88

  • SHA512

    b499d9b866219f21347382aec31228b31108cc1a4e679bd9f5ce59407bf0b657818dc1d8c261082bccfe26136bf08918ebb8dca0a115e62bef5b604547c3d2ff

  • SSDEEP

    768:3Eg24DKoyYH150BEexXfz2xGpsy/a2MaOtRd9P9mg8rO71:3FVD11ij11DM5hP7x

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\libLauncher_rainbow.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2948
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\libLauncher_rainbow.dll,#1
      2⤵
        PID:1248
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 676
          3⤵
          • Program crash
          PID:4580
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 1248 -ip 1248
      1⤵
        PID:264

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1248-133-0x00000000020D0000-0x00000000025FF000-memory.dmp

        Filesize

        5.2MB

      • memory/1248-136-0x00000000020D0000-0x00000000025FF000-memory.dmp

        Filesize

        5.2MB

      • memory/1248-138-0x0000000063400000-0x0000000063415000-memory.dmp

        Filesize

        84KB

      • memory/1248-139-0x000000006E940000-0x000000006E964000-memory.dmp

        Filesize

        144KB

      • memory/1248-140-0x0000000068AC0000-0x0000000068ACC000-memory.dmp

        Filesize

        48KB

      • memory/1248-141-0x0000000064940000-0x0000000064954000-memory.dmp

        Filesize

        80KB

      • memory/1248-142-0x000000006FC40000-0x000000006FD41000-memory.dmp

        Filesize

        1.0MB

      • memory/1248-143-0x0000000061940000-0x0000000061EB5000-memory.dmp

        Filesize

        5.5MB

      • memory/1248-144-0x00000000020D0000-0x00000000025FF000-memory.dmp

        Filesize

        5.2MB