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Analysis

  • max time kernel
    66s
  • max time network
    53s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/05/2024, 11:50

General

  • Target

    $PLUGINSDIR/nsResize.dll

  • Size

    4KB

  • MD5

    a8655e0ca9e079edc631838273afc087

  • SHA1

    20c4468e90f961c499870cfa6a179c82f6d72675

  • SHA256

    eeb2705599c3075e652762e74c88d3cb482e01ad8cae65f02022f91aebf13cb5

  • SHA512

    383201fc7f0d15f0d02ae638e411becac61eb5f475020220035ba6df560aee23cbb90082e6827aeaba434e150c08df87914e3cea308ed197f86d560eacc369e1

  • SSDEEP

    96:Ue6mLjDsOqfMJggfp2BnorPJ7G17JAgX45:YXOqfMJPfp2Bnci1NAI

Score
7/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • UPX packed file 2 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\nsResize.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2556
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsResize.dll,#1
      2⤵
        PID:4432
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4432 -s 600
          3⤵
          • Program crash
          PID:4992
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4432 -ip 4432
      1⤵
        PID:2516

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4432-0-0x00000000756C0000-0x00000000756C9000-memory.dmp

        Filesize

        36KB

      • memory/4432-1-0x00000000756C0000-0x00000000756C9000-memory.dmp

        Filesize

        36KB