Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-01-2025 14:56

General

  • Target

    msidcrl40.dll

  • Size

    784KB

  • MD5

    f1f8d156bbdd5945a4f933ac7fa7cc41

  • SHA1

    e581235e9f1a3a8a63b8a470eaed882bc93b9085

  • SHA256

    344ac8e5debb1a496c3648f941801cdc6ffdfcc7eef8ed38e62270a2e20b1c3a

  • SHA512

    86d799af3be251edecf6a552f473b94a0ba2d738b7b5f4a84c31bb34db4ea458f5e50090370bdf82f945e684dd5d66b88ebe3c902305bb0a435aca1331cb4ad9

  • SSDEEP

    12288:oqjIhzdNvajtjz38HkZIbKnxPGlJsk7aMCr0:oqjIhzdNvkjGKe1q

Score
3/10

Malware Config

Signatures

  • Program crash 2 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\msidcrl40.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4728
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\msidcrl40.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3184
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3184 -s 620
        3⤵
        • Program crash
        PID:3936
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3184 -s 824
        3⤵
        • Program crash
        PID:1572
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3184 -ip 3184
    1⤵
      PID:3884
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3184 -ip 3184
      1⤵
        PID:4640

      Network

      MITRE ATT&CK Enterprise v15

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      Downloads