Analysis

  • max time kernel
    151s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-06-2024 20:26

General

  • Target

    AutoUpdate/AutoUpdateUtil.dll

  • Size

    198KB

  • MD5

    1e751e9ac7a6905d2f1b2860cc7d37a7

  • SHA1

    6e7171f68a1c432a512cae3901d35faad550ca0e

  • SHA256

    9b95b90e36e4f7bf257e56fadf6f7630fa70696c072f7b8d6de05eab87e0674e

  • SHA512

    f54af4149c1d24f05fdb3c1d8b48f31444763e7c4effdcd9013c8c90a8aa7fa4531b00d5ee1b3f08fcfbebcd06aaf8aa318c40943a59e611d5c24435a0562034

  • SSDEEP

    3072:3Oq3B8kyfQQC2mC2gbvCsGowP96rH0Vu3b1vJ4gMdyJVj+G3O1fnAtZY:eq3BJ4vCCa9VgxR+GGvAK

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\AutoUpdate\AutoUpdateUtil.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2772
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\AutoUpdate\AutoUpdateUtil.dll,#1
      2⤵
        PID:2548
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2548 -s 612
          3⤵
          • Program crash
          PID:528
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 2548 -ip 2548
      1⤵
        PID:2928
      • 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=3884 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:4336

        Network

        MITRE ATT&CK Matrix

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        Downloads