Analysis

  • max time kernel
    91s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-04-2024 01:16

General

  • Target

    $PLUGINSDIR/gyyrofsvwt.dll

  • Size

    30KB

  • MD5

    593ae51744a3a1518c88249d88f6e0d8

  • SHA1

    799fc91d7871e4387fd487da8c066a5908263088

  • SHA256

    f5b07baf233029ae6a86a512fd84161c07d27827ef0222eea9783296249f646b

  • SHA512

    91d538a964f803b97b5983ca7bfab265cbfca1d481c9da7038d478bef56cea033cd9fc7acaf18b5a9680fb684cacab950df66fc9b4264ba8b5ed63c56e80cf6a

  • SSDEEP

    384:qXR1YCNE0PHVORyEN1EzzSO4A37//YriYpYz83wolkxZP8Zi9Gsn9/0VlFaCu5Qi:qB1jE0NORy+O4Y7Hw/pUoksZeG+9/MA

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\gyyrofsvwt.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4008
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\gyyrofsvwt.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4724
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\gyyrofsvwt.dll,#1
        3⤵
          PID:1364
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4724 -s 716
          3⤵
          • Program crash
          PID:3180
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4724 -ip 4724
      1⤵
        PID:4856

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • memory/4724-0-0x0000000074DC0000-0x0000000074DCC000-memory.dmp

        Filesize

        48KB

      • memory/4724-1-0x0000000074DC0000-0x0000000074DCC000-memory.dmp

        Filesize

        48KB