Analysis

  • max time kernel
    121s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/04/2025, 11:25

General

  • Target

    res/NvFBC.dll

  • Size

    1.5MB

  • MD5

    a92382996045119ffdb2dea19e1484c2

  • SHA1

    ea84e48ec00cf431b7645ddd866f82fc6e3c78c4

  • SHA256

    62d9de1c56e7f71fead4b520252ed656fd22b1640d218a85f91653e3eb3d48b0

  • SHA512

    03d90830d0e1c887e02a2aa40f0e4edabb56e043cbd2a9f9c9c518a534d8b6baad2c8a2c286a9ebae9929356afeb10485c71101194adc4ec9bbf6de8356840b0

  • SSDEEP

    24576:WGmJOaqO2cECUcgUiHuGqGzXzsdRCb1hFJb01FjzALI+/bPz8/UhKmLce:ZOn9GHsdRCb1hFJb07A0obKUhKmL1

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\res\NvFBC.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3932
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\res\NvFBC.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3812
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 776
        3⤵
        • Program crash
        PID:4876
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3812 -ip 3812
    1⤵
      PID:4836

    Network

    MITRE ATT&CK Enterprise v16

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    Downloads