Analysis

  • max time kernel
    149s
  • max time network
    104s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250502-en
  • resource tags

    arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11/05/2026, 00:05

General

  • Target
    masScan_1.6/masScan_1.6/wpcap.dll
  • Size 220KB
  • Sample260511-adn8lsbx9n
  • SHA256 4c2b690d8d9afaefc531d1fedcf2d067ffca8b7e2f99072014b6a6d8edfdc49c
  • 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\masScan_1.6\masScan_1.6\wpcap.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\masScan_1.6\masScan_1.6\wpcap.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3428
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 508
        3⤵
        • Program crash
        PID:3920
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 3428 -ip 3428
    1⤵
      PID:2996

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          memory/3428-0-0x0000000001FC0000-0x0000000001FD8000-memory.dmp

          memory/3428-1-0x0000000001F40000-0x0000000001FBA000-memory.dmp