Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/07/2024, 13:59

General

  • Target

    $PLUGINSDIR/ext.dll

  • Size

    46KB

  • MD5

    96d5570163482bcf43bccb692f608ed7

  • SHA1

    258ba09c245df06ae03108f87b92ea27a6af14e7

  • SHA256

    d2015d65faf8366a204eb62b38bdf287abe768412c88e85fc30793f9bd14b371

  • SHA512

    63036465b1af15366cfb47172a7c636ee39178a5e7e75b7cc2a8d64df04683d68beca2bc4d88d1f0a770cd6c09659ba61294119aca682b7f7c201c6acf7fa555

  • SSDEEP

    768:hpLX9VgdvVj5eteLQgec9XJWlvTukulFNAbbfzY4q3Ny3kFBKv0Mvv:hN9UZxtVJMT7uT2bbLh13kFBK

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\$PLUGINSDIR\ext.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5016
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ext.dll,#1
      2⤵
        PID:4784
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4784 -s 596
          3⤵
          • Program crash
          PID:2024
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4784 -ip 4784
      1⤵
        PID:3104

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            • memory/4784-0-0x0000000010000000-0x000000001001C000-memory.dmp

              Filesize

              112KB

            • memory/4784-1-0x00007FF8ECF30000-0x00007FF8ED125000-memory.dmp

              Filesize

              2.0MB