Analysis

  • max time kernel
    150s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-04-2024 20:04

General

  • Target

    $PLUGINSDIR/UserInfo.dll

  • Size

    4KB

  • MD5

    eaf5036ef8e7fbdfa76d42c18233764f

  • SHA1

    acd9f46c0500b00648933c4a172ef258ec64a1f3

  • SHA256

    74a4283da525512b7fa14d40cafd905e63a8c2a3c9faca4d0605ad71f1a05a7d

  • SHA512

    93d3e698c5d40f28c9d899f95f5b8ae60eceb8e96e57000ed458b9bffadcc98616aeadd4d6b930f3f91bd2a822681ef284dfc0eda6ae776ba1b7cc6ff87704ef

Score
3/10

Malware Config

Signatures

  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2640
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1968
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 612
        3⤵
        • Program crash
        PID:2928
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 612
        3⤵
        • Program crash
        PID:3292
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1968 -ip 1968
    1⤵
      PID:3764
    • 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=1712 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3680

      Network

      MITRE ATT&CK Matrix

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      Downloads