Analysis

  • max time kernel
    135s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-10-2024 12:56

General

  • Target

    VFS/ProgramFilesX64/13/7za.dll

  • Size

    283KB

  • MD5

    ef65428f79e120e5fc10e3eecb843d17

  • SHA1

    4428930e17bccef34298826756c9af43106c3178

  • SHA256

    3fc4ade77fa6207c646ca3906bb8c0f21b3472ca8dfcde6635ad6da5ab5491ea

  • SHA512

    9d312179ff1b7c692252bdfd241d245e8d57b0cae6ce5c8c7755f9f074f8e31c63d93e4fae341f0af8824fc0b6c278bfe3efdb8c27e36f87a4375bd3d27caedb

  • SSDEEP

    6144:o2ymhthvdTJ65E44h/84s+Eol8p/wReA+H6Y7hby4xPuAM6QJ3yV:olmhthvdTJ65EVg1uETH6uzxmAMLo

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\VFS\ProgramFilesX64\13\7za.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\VFS\ProgramFilesX64\13\7za.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4612
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 600
        3⤵
        • Program crash
        PID:3600
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4612 -ip 4612
    1⤵
      PID:3528

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads