Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    20-04-2024 07:34

General

  • Target

    MultiMC/libLauncher_quazip.dll

  • Size

    313KB

  • MD5

    54ff831a0de8e0b18fd39dc94fb587db

  • SHA1

    421a8bee770d2f693accc160f4694017fcbdcfb2

  • SHA256

    9e76a68ed8d049fce4cef5892baeb9a12005bf6df7fdf05b909e4aa4264c60fa

  • SHA512

    863c5cf2f0a276737dac7f7e1e4703e5b27e8d45ace0f19dd8eb1e2531e354c606e7fe9e460eea795c001661e11ab4d8f610805e47576937665497a96c19f37d

  • SSDEEP

    6144:t2GqFejo44ffwqGOIq/2+PWt8RJhywVapRwT5yM:jqFBF0OhJT

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_quazip.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:752
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\libLauncher_quazip.dll,#1
      2⤵
        PID:996
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 996 -s 644
          3⤵
          • Program crash
          PID:1876
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 996 -ip 996
      1⤵
        PID:4564

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • memory/996-0-0x00000000020E0000-0x000000000260F000-memory.dmp
        Filesize

        5.2MB

      • memory/996-3-0x00000000020E0000-0x000000000260F000-memory.dmp
        Filesize

        5.2MB

      • memory/996-5-0x000000006C8C0000-0x000000006C8FF000-memory.dmp
        Filesize

        252KB

      • memory/996-6-0x000000006C8C0000-0x000000006C8FF000-memory.dmp
        Filesize

        252KB

      • memory/996-8-0x0000000068AC0000-0x0000000068ACC000-memory.dmp
        Filesize

        48KB

      • memory/996-9-0x0000000061B80000-0x0000000061B98000-memory.dmp
        Filesize

        96KB

      • memory/996-10-0x000000006E940000-0x000000006E964000-memory.dmp
        Filesize

        144KB

      • memory/996-11-0x000000006FC40000-0x000000006FD41000-memory.dmp
        Filesize

        1.0MB

      • memory/996-13-0x00000000020E0000-0x000000000260F000-memory.dmp
        Filesize

        5.2MB

      • memory/996-12-0x0000000064940000-0x0000000064954000-memory.dmp
        Filesize

        80KB