Analysis

  • max time kernel
    142s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-01-2023 20:46

General

  • Target

    MultiMC/libLauncher_rainbow.dll

  • Size

    67KB

  • MD5

    0a9b6d533e16eb5795bd8730bb61e060

  • SHA1

    5ae86c52d44ac0715e81d8ddd17f746a39c71e45

  • SHA256

    3bdb910a160dad572f40d744054585e7164b03065229bb6673832347ca82368e

  • SHA512

    fce04e1eb406c6b6dd161624df1fc4c5fad0d31c982e884183f0e217582240098fa9cc2682afb3ed825dab7602a4a26f4782fe00898746ef6e465897cfbcf66f

  • SSDEEP

    768:kEg24DKoyYH150BEexXfz2xGpsy/a2MaOtRd9P9mg8rO71:kFVD11ij11DM5hP7x

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:4248
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\libLauncher_rainbow.dll,#1
      2⤵
        PID:2204
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 676
          3⤵
          • Program crash
          PID:3816
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2204 -ip 2204
      1⤵
        PID:4372

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • memory/2204-132-0x0000000000000000-mapping.dmp

      • memory/2204-133-0x00000000023E0000-0x000000000290F000-memory.dmp

        Filesize

        5.2MB

      • memory/2204-136-0x00000000023E0000-0x000000000290F000-memory.dmp

        Filesize

        5.2MB

      • memory/2204-138-0x00000000023E0000-0x000000000290F000-memory.dmp

        Filesize

        5.2MB

      • memory/2204-139-0x0000000061940000-0x0000000061EB5000-memory.dmp

        Filesize

        5.5MB

      • memory/2204-140-0x0000000063400000-0x0000000063415000-memory.dmp

        Filesize

        84KB