Analysis

  • max time kernel
    146s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 01:05

General

  • Target

    virtualdubmod/SciLexer.dll

  • Size

    143KB

  • MD5

    f8253c3a4d60b01a2e312ba0530c5151

  • SHA1

    c125455cf3d87557379a7036e4385dd8aa920cde

  • SHA256

    67e9dc5e46c44ab5c37d67e83cab2068a3f638fb17ee37e439cd378fc0ac4cad

  • SHA512

    532c084ed453bc700a809f2368d5ad05777c820a6a0f82fc56c6ba114a3516787f4de741e9e6fb24e8363bcb7ccf0a7847dd94d75fa5b42e9610c66826342974

  • SSDEEP

    3072:nAhC+t5nDcf/uOETgrCZbcH8xMTM9hreQO55WYJ3ZGNgYSV5zYe:AUw1DpsrCxcRTacOgHpR

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\virtualdubmod\SciLexer.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2924
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\virtualdubmod\SciLexer.dll,#1
      2⤵
        PID:1888
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1888 -s 612
          3⤵
          • Program crash
          PID:5096
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1888 -ip 1888
      1⤵
        PID:348

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            • memory/1888-0-0x0000000061080000-0x00000000610EA000-memory.dmp

              Filesize

              424KB