Analysis

  • max time kernel
    77s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-09-2022 06:49

General

  • Target

    wow64_microsoft-windows-kernelbase_31bf3856ad364e35_10.0.22621.1_none_92ecee59dcb302d4_kernelbase.dll

  • Size

    2.4MB

  • MD5

    82d4855798c72aeda7ecf8f006ecd357

  • SHA1

    9a3150fb7ec26fe243c85c2abbadf774cb7f1b1e

  • SHA256

    49a405b7256100a5fc2597acb3a7771bdfdee166a5cea3251c3e1bf291f22c6d

  • SHA512

    f0e32cbb1c515dff69951e0cef7d4358a4a4010021017f9d3aa0edaa2d86926302df2df52e455763ac8d0a9e6146ef9a5419fd5afe0de4d5ffaaa78a38961eba

  • SSDEEP

    49152:4FypjWU5KGTthjCHIxGioZm7VUnYpe7x3JHA+Luw1uhznWMJ6cRvbPVFyiFzgbw:pzCHIoioZX7xtdPchzQ0

Score
1/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\wow64_microsoft-windows-kernelbase_31bf3856ad364e35_10.0.22621.1_none_92ecee59dcb302d4_kernelbase.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1220
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\wow64_microsoft-windows-kernelbase_31bf3856ad364e35_10.0.22621.1_none_92ecee59dcb302d4_kernelbase.dll,#1
      2⤵
        PID:5028

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/5028-132-0x0000000000000000-mapping.dmp