Analysis

  • max time kernel
    1763s
  • max time network
    1176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    02/03/2024, 22:10

General

  • Target
    $PLUGINSDIR/WinShell.dll
  • Size 3KB
  • Sample240302-13naqaac96
  • SHA256 9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
  • MD5 SHA1 SHA512
Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WinShell.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5108
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WinShell.dll,#1
      2⤵
        PID:3204
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 612
          3⤵
          • Program crash
          PID:2588
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3204 -ip 3204
      1⤵
        PID:1288

      Network

            MITRE ATT&CK Matrix

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            Downloads