Analysis

  • max time kernel
    143s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/03/2024, 00:55

General

  • Target

    $PLUGINSDIR/mxnklldcac.dll

  • Size

    105KB

  • MD5

    e8821f4a219ccb45aed1c7612459085d

  • SHA1

    5c484233d7cf59acc5298a23780afc0af780858e

  • SHA256

    52e8f0963d2e0439aaf8d3ab16a984403c98d08b96c9a83ad44eee60b8596c7d

  • SHA512

    4a3c87bd7cb72185b7cab1b2867b67cb873feb8a3c124cee809df4b373f50c6588c3422563b43abc0341138e2191a192845b3831f70b92bc57d1b2a8cc0087ac

  • SSDEEP

    1536:1PUmgGA8hNeqTsu0zIJmeZpaIrZmzzf/0Ng+DmPH3D+bgikt3WklC9ncobUfsqgZ:VUmgGA2e5lMjrYXFLtxlCrmgL

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\mxnklldcac.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:908
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mxnklldcac.dll,#1
      2⤵
        PID:4512
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 624
          3⤵
          • Program crash
          PID:3928
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4512 -ip 4512
      1⤵
        PID:3192
      • 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 --no-appcompat-clear --mojo-platform-channel-handle=4156 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:4424

        Network

        MITRE ATT&CK Matrix

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        Downloads