Analysis

  • max time kernel
    90s
  • max time network
    80s
  • platform
    windows10-1703_x64
  • resource
    win10-20230915-en
  • resource tags

    arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system
  • submitted
    19-09-2023 06:51

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:2300
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\libLauncher_rainbow.dll,#1
      2⤵
        PID:876
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 876 -s 684
          3⤵
          • Program crash
          PID:2260

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/876-0-0x0000000004C00000-0x000000000512F000-memory.dmp
      Filesize

      5.2MB

    • memory/876-4-0x0000000004C00000-0x000000000512F000-memory.dmp
      Filesize

      5.2MB

    • memory/876-6-0x0000000063400000-0x0000000063415000-memory.dmp
      Filesize

      84KB

    • memory/876-7-0x0000000061940000-0x0000000061EB5000-memory.dmp
      Filesize

      5.5MB

    • memory/876-8-0x0000000004C00000-0x000000000512F000-memory.dmp
      Filesize

      5.2MB

    • memory/876-10-0x0000000068AC0000-0x0000000068ACC000-memory.dmp
      Filesize

      48KB

    • memory/876-11-0x000000006E940000-0x000000006E964000-memory.dmp
      Filesize

      144KB

    • memory/876-12-0x000000006FC40000-0x000000006FD41000-memory.dmp
      Filesize

      1.0MB

    • memory/876-13-0x0000000064940000-0x0000000064954000-memory.dmp
      Filesize

      80KB