Analysis

  • max time kernel
    136s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-06-2024 07:00

General

  • Target

    $PLUGINSDIR/nsisunz.dll

  • Size

    88KB

  • MD5

    bd97d86d8bd07ebdc8ec662a3f31dfd5

  • SHA1

    5e2b3a1af5ee53ab6d1d6c2cb8127add39ee7e82

  • SHA256

    c31b590cba443de87f0f4a81712f0883ac3b506f3868759d918d9a81f84ea922

  • SHA512

    4575d1ea0d1b2f74df74cad94eae7fdf31c513e5dc6d945e81e0873b99f94a5d81b1c385c71ab79a19e5bb6c00fc5fffec7a3bbfd60ad7de312cbb53d8bcce9a

  • SSDEEP

    1536:uPmnCuZs9reYWvAHvXhxQdJeY3tMCo9NTJwd6aimHr5jr5T51NT:uPmnCuZs9KoPX6rA9Nl2Rrt51h

Score
3/10

Malware Config

Signatures

  • 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\nsisunz.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3968
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisunz.dll,#1
      2⤵
        PID:1776
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1776 -s 604
          3⤵
          • Program crash
          PID:2668
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1776 -ip 1776
      1⤵
        PID:892
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4076,i,1236064252342462940,13180713657498721890,262144 --variations-seed-version --mojo-platform-channel-handle=4260 /prefetch:8
        1⤵
          PID:1196

        Network

        MITRE ATT&CK Matrix

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        Downloads