Analysis

  • max time kernel
    144s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-07-2024 10:01

General

  • Target

    $PLUGINSDIR/nsArray.dll

  • Size

    6KB

  • MD5

    f8462e9d1d7fd39789afca89ab6d6046

  • SHA1

    7e9a518e15b7490245d2bef11a73f209c8d8d59b

  • SHA256

    48941e9f5c92a33f1e60a7a844d562dd77ce736fd31b5503c980b49679dfe85e

  • SHA512

    57dee2253abd7d17d53811d5e95237f9434288518fb043645524a517786db2d8a91df86a6da732c620f12ad0e7ea30a923b8d5f3de386c65bd3ff240bc0dff69

  • SSDEEP

    96:TjGBPJ762z6gjutipI+h7jz5ozZt/aYfA7EfXxLfAZi:/ix7ibUpIS+Xa1wX2Zi

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\nsArray.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2952
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
      2⤵
        PID:740
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 600
          3⤵
          • Program crash
          PID:4748
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 740 -ip 740
      1⤵
        PID:2300

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/740-0-0x0000000074E90000-0x0000000074E9A000-memory.dmp

        Filesize

        40KB

      • memory/740-1-0x0000000074E90000-0x0000000074E9A000-memory.dmp

        Filesize

        40KB