Analysis

  • max time kernel
    100s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220718-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220718-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/07/2022, 03:36

General

  • Target
    754903d45ba8d672f3e0c113d7300aa5.dll
  • Size 5.0MB
  • Sample220720-d5xwlsbde9
  • SHA256 e9c73b142b3d8e55dab440aecf91708ddc74a8ab5c43c0efd5a5580fe6fef30e
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\754903d45ba8d672f3e0c113d7300aa5.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:868
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\754903d45ba8d672f3e0c113d7300aa5.dll,#1
      2⤵
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      PID:984
      • C:\WINDOWS\mssecsvc.exe
        C:\WINDOWS\mssecsvc.exe
        3⤵
        • Executes dropped EXE
        PID:1156

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        mssecsvc.exe

        • Path C:\WINDOWS\mssecsvc.exe
        • Size 3.6MB
        • SHA256 095ad1c721fcc89fe73c36ff12cbf7a15017d6e296d7a000bdc2cf8a77a013d0
        • MD5 SHA1 SHA512 SSDEEP

        mssecsvc.exe

        • Path C:\Windows\mssecsvc.exe
        • Size 3.6MB
        • SHA256 095ad1c721fcc89fe73c36ff12cbf7a15017d6e296d7a000bdc2cf8a77a013d0
        • MD5 SHA1 SHA512 SSDEEP