Analysis

  • max time kernel
    140s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-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 11 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:2548
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\virtualdubmod\SciLexer.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2852
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 224
        3⤵
        • Program crash
        PID:2428

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2852-0-0x0000000061080000-0x00000000610EA000-memory.dmp

          Filesize

          424KB