Analysis

  • max time kernel
    227s
  • max time network
    262s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2022 10:00

General

  • Target

    a5f57c85b6c00d54a8d47d55955cacc83d2d230dfdc4237d25393abc452408a1.dll

  • Size

    288KB

  • MD5

    d1930c49c7cdafd6f49e260e717113bb

  • SHA1

    98f4fa928eac341dc145c0275f8c896bddeff382

  • SHA256

    a5f57c85b6c00d54a8d47d55955cacc83d2d230dfdc4237d25393abc452408a1

  • SHA512

    21b842ff8058b92b12cdf729f4a3230a44863c1fa73c740b8cc38fd81a798905983b30c28c602864278c4efeeb657578e0c9e59b17f58fa072d8f1a017346bb1

  • SSDEEP

    3072:+osVnN+N/de+GOanW3dSMZlxtGMWX4/ETBftbnGDuLHG8LE+1zX:+oKkNU2a+/ZlnGMh/ETBlbGr8pX

Score
3/10

Malware Config

Signatures

  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a5f57c85b6c00d54a8d47d55955cacc83d2d230dfdc4237d25393abc452408a1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4064
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a5f57c85b6c00d54a8d47d55955cacc83d2d230dfdc4237d25393abc452408a1.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3448
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3448 -s 612
        3⤵
        • Program crash
        PID:4420
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3448 -s 612
        3⤵
        • Program crash
        PID:5032
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3448 -ip 3448
    1⤵
      PID:4516

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/3448-132-0x0000000000000000-mapping.dmp

    • memory/4420-133-0x0000000000000000-mapping.dmp