Analysis

  • max time kernel
    148s
  • max time network
    46s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/09/2026, 18:27

General

  • Target
    ui2.dll
  • Size 180KB
  • Sample260925-w32qwstdjb
  • SHA256 7bc2f53c7f2cb0fead9ed0ab013c74fbfed930b6394968dc4bc758d24b695803
  • 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\ui2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:252
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ui2.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3484
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 560
        3⤵
        • Program crash
        PID:5840
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3484 -ip 3484
    1⤵
      PID:704

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          memory/3484-2-0x0000000002130000-0x000000000214B000-memory.dmp

          memory/3484-1-0x00000000020C0000-0x00000000020CD000-memory.dmp

          memory/3484-0-0x0000000000790000-0x000000000079F000-memory.dmp

          memory/3484-3-0x00000000021E0000-0x00000000021F8000-memory.dmp