Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2024 15:45

General

  • Target

    VFS/ProgramFilesX64/13/7zxa.dll

  • Size

    159KB

  • MD5

    5c4408747f4bb3e3e65669004db8f8ec

  • SHA1

    7ac6b8a217dca16deb60c7132a0aa3e5a1b8dd9a

  • SHA256

    b20a579d21ec7d3bc3c80c5f0a4d6921b78f6af3b6e285e013f84220e143405c

  • SHA512

    a8c6ed02ba46d8f57c756d5dc279ce84b56a44bb5e3130ae475b400d551f055f30209a7cc9fb6d54569750724921077dfa21c5e1e35943deb7de731dfcef8245

  • SSDEEP

    3072:o/W7sa+jaIQG8eBqcDbOWR3EHmG1xW2AdNw6bvw/9jQm6ibMdGptziybUT:onX8eIcDSq3EHmG1dAdNw6zw/9p6ibeR

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 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\VFS\ProgramFilesX64\13\7zxa.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\VFS\ProgramFilesX64\13\7zxa.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2392
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2392 -s 220
        3⤵
        • Program crash
        PID:2552

Network

MITRE ATT&CK Enterprise v15

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Downloads