Analysis

  • max time kernel
    150s
  • max time network
    116s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 21:30

General

  • Target
    MultiMC/Qt5Gui.dll
  • Size 5.4MB
  • Sample260804-1chbsa1bpf
  • SHA256 047811d5fecb88e19c6e70aeabac7848599142cfe8aba1a01c0d130dd4f72452
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\Qt5Gui.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4152
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\Qt5Gui.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4116
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 676
        3⤵
        • Program crash
        PID:3268
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4116 -ip 4116
    1⤵
      PID:5288

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          memory/4116-0-0x0000000068D96000-0x0000000068D97000-memory.dmp

          memory/4116-4-0x0000000064940000-0x0000000064954000-memory.dmp

          memory/4116-2-0x000000006E940000-0x000000006E964000-memory.dmp

          memory/4116-3-0x000000006FC40000-0x000000006FD41000-memory.dmp

          memory/4116-1-0x0000000061940000-0x0000000061EB5000-memory.dmp

          memory/4116-5-0x0000000068880000-0x0000000068DAF000-memory.dmp