Analysis

  • max time kernel
    92s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/02/2024, 03:23

General

  • Target

    $PLUGINSDIR/md5dll.dll

  • Size

    6KB

  • MD5

    7059f133ea2316b9e7e39094a52a8c34

  • SHA1

    ee9f1487c8152d8c42fecf2efb8ed1db68395802

  • SHA256

    32c3d36f38e7e8a8bafd4a53663203ef24a10431bda16af9e353c7d5d108610f

  • SHA512

    9115986754a74d3084dd18018e757d3b281a2c2fde48c73b71dba882e13bd9b2ded0e6e7f45dc5b019e6d53d086090ccb06e18e6efeec091f655a128510cbe51

  • SSDEEP

    96:5mArJv6F3TqDmgK4ghEin1US36eHQZDUDgGogZcko5Nt4AMP:5XJ63LhR6inZ6dsgZkKQT

Score
9/10
upx

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 2 IoCs
  • 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\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\md5dll.dll,#1
    1⤵
      PID:740
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 600
        2⤵
        • Program crash
        PID:2052
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\md5dll.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:3292
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 740 -ip 740
      1⤵
        PID:4716

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            • memory/740-0-0x0000000010000000-0x000000001000A000-memory.dmp

              Filesize

              40KB

            • memory/740-1-0x0000000010000000-0x000000001000A000-memory.dmp

              Filesize

              40KB