Analysis

  • max time kernel
    101s
  • max time network
    104s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    04/07/2025, 18:13

General

  • Target

    $PLUGINSDIR/System.dll

  • Size

    32KB

  • MD5

    617f4e0a6c8782cfca9aee923fc7f8e4

  • SHA1

    c907a6310e450f1ff9fd14c4afd10b70add8f2ee

  • SHA256

    43a5e3313332eb6835290e99f37dc84de6991d62cd8cb285f1dea32f66d1507e

  • SHA512

    ef3fae21758358042a471b4c898bcda491b9e48edbe2f9f68c02c5f4d1e50313282323134916e5ad0b3b721f4c802d9aee77902831a580e5e54a1c2e36bbed2a

  • SSDEEP

    768:9aeiijipAWhs95hysSoQuSmhs9BJiCXysSoQuSD:4e9iSWm31L7Smm7ii1L7SD

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\$PLUGINSDIR\System.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:680
    • 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:3576
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 460
        3⤵
        • Program crash
        PID:2112
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3576 -ip 3576
    1⤵
      PID:2756

    Network

          MITRE ATT&CK Enterprise v16

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          Downloads