Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    01/06/2024, 20:00

General

  • Target
    $PLUGINSDIR/CheckProVs.dll
  • Size 7KB
  • Sample240601-yq2apsec22
  • SHA256 ee7e26894cbf89c93ae4df15bdb12cd9a21f5deacedfa99a01eefe8fa52daec2
  • MD5 SHA1 SHA512 SSDEEP
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\CheckProVs.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4832
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CheckProVs.dll,#1
      2⤵
        PID:4288
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4288 -s 452
          3⤵
          • Program crash
          PID:1632
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4288 -ip 4288
      1⤵
        PID:1340

      Network

            MITRE ATT&CK Matrix

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            Downloads