Analysis

  • max time kernel
    96s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-08-2024 14:31

General

  • Target

    UltimMC/Qt5Svg.dll

  • Size

    349KB

  • MD5

    96934c8f93716fb4c5ab7433c3fcf660

  • SHA1

    e411016b245b77813f8ea5ed9dc8dcf9403ac831

  • SHA256

    adb44de5a537f5fadb9288e3852189f799ba7b95cef847f2198a8864ab6f063b

  • SHA512

    bcd231289cf4900886a4a5c55c0584073da36d5dd823ebf6a59986932fdb1cf70ead079fcdc7e9cfd4837e6212eb7037a7b5b7b0704e073b06c6fc4f5dbbc97d

  • SSDEEP

    6144:GCJ8N/2aVIOLZS5Qyk2MIwe8x1TB3JJ+Wd5J/LCW2V:GCJQ2arZS2yAG8x1TRjDL

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\Qt5Svg.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3464
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\Qt5Svg.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1492
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 684
        3⤵
        • Program crash
        PID:4052
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1492 -ip 1492
    1⤵
      PID:384

    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/1492-0-0x00000000025B0000-0x0000000002BF4000-memory.dmp
      Filesize

      6.3MB

    • memory/1492-2-0x00000000025B0000-0x0000000002BF4000-memory.dmp
      Filesize

      6.3MB

    • memory/1492-4-0x0000000068881000-0x0000000068B29000-memory.dmp
      Filesize

      2.7MB

    • memory/1492-5-0x0000000068880000-0x0000000068DAF000-memory.dmp
      Filesize

      5.2MB

    • memory/1492-9-0x0000000064940000-0x0000000064954000-memory.dmp
      Filesize

      80KB

    • memory/1492-6-0x0000000067740000-0x000000006779F000-memory.dmp
      Filesize

      380KB

    • memory/1492-8-0x000000006FC40000-0x000000006FD41000-memory.dmp
      Filesize

      1.0MB

    • memory/1492-7-0x000000006E940000-0x000000006E964000-memory.dmp
      Filesize

      144KB

    • memory/1492-10-0x0000000061940000-0x0000000061EB5000-memory.dmp
      Filesize

      5.5MB

    • memory/1492-12-0x00000000025B0000-0x0000000002BF4000-memory.dmp
      Filesize

      6.3MB