Analysis

  • max time kernel
    91s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/09/2024, 16:51

General

  • Target
    WinPcapInstall.dll
  • Size 91KB
  • Sample240912-vda17svanf
  • SHA256 d9f4cd9f0e1bc9a138fb4da6f83c92c3e86eb3de4f988d5943d75c9b1dc6bb9d
  • MD5 SHA1 SHA512 SSDEEP
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\WinPcapInstall.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1252
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\WinPcapInstall.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3588
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3588 -s 624
        3⤵
        • Program crash
        PID:2576
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3588 -ip 3588
    1⤵
      PID:1004

    Network

          MITRE ATT&CK Enterprise v15

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