Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260129-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    06/03/2026, 15:12

General

  • Target
    $PLUGINSDIR/System.dll
  • Size 12KB
  • Sample260306-slde7ahs8n
  • SHA256 014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042
  • 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\$PLUGINSDIR\System.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4132
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3216
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 612
        3⤵
        • Program crash
        PID:3740
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3216 -ip 3216
    1⤵
      PID:700

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          memory/3216-0-0x0000000000BB0000-0x0000000000BC9000-memory.dmp

          memory/3216-1-0x0000000000FB0000-0x0000000001093000-memory.dmp