Analysis

  • max time kernel
    92s
  • max time network
    99s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03-09-2024 17:01

General

  • Target

    UltimMC/Qt5Gui.dll

  • Size

    5.4MB

  • MD5

    03e5f50d7848d9cc2d8d00127ea6e706

  • SHA1

    30a5fd241e9db476f11235d7a7d650ec23ac97e2

  • SHA256

    047811d5fecb88e19c6e70aeabac7848599142cfe8aba1a01c0d130dd4f72452

  • SHA512

    d41c80f85cfbe9779cccb3ad3825917044075b126c866aece157c6b85b418382394cb6a58cd5b2ea386659c042fcebe963131fb2d37ee80c684c1c9154eb9e31

  • SSDEEP

    98304:TKTu1y8DX4YFi3UIK5f77kyB1ophScU22BhrwRD7e+1X+Q86o:TPTFbFdYhd86

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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\Qt5Gui.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\Qt5Gui.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3952
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3952 -s 620
        3⤵
        • Program crash
        PID:4940
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3952 -ip 3952
    1⤵
      PID:3448

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Discovery

    System Location Discovery

    1
    T1614

    System Language Discovery

    1
    T1614.001

    Replay Monitor

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    Downloads

    • memory/3952-0-0x0000000068881000-0x0000000068B29000-memory.dmp
      Filesize

      2.7MB

    • memory/3952-1-0x0000000068880000-0x0000000068DAF000-memory.dmp
      Filesize

      5.2MB

    • memory/3952-5-0x000000006FC40000-0x000000006FD41000-memory.dmp
      Filesize

      1.0MB

    • memory/3952-4-0x0000000064940000-0x0000000064954000-memory.dmp
      Filesize

      80KB

    • memory/3952-3-0x000000006E940000-0x000000006E964000-memory.dmp
      Filesize

      144KB

    • memory/3952-2-0x0000000061940000-0x0000000061EB5000-memory.dmp
      Filesize

      5.5MB