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29-02-2024 21:17

240229-z5c24acg6v 10

Analysis

  • max time kernel
    150s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-02-2024 21:17

General

  • Target

    AutoUpdate/AutoUpdateUtil.dll

  • Size

    198KB

  • MD5

    d585f6453c8f564da8db0573ee311e0e

  • SHA1

    81df64177e63f98ceb9f6a4e0f002493abfc1e57

  • SHA256

    ef09b83ce0becbae769a323037e8cd9922a1f57f3fe0fd1f92957cea232f4913

  • SHA512

    a5973907c6ab1fa956a76a107957d59952a49b190c1e4dd82b7c49796516b896d59e256dd94ca0bf56d088dabe53d1681ebfeda3405dc47646c1c33d461dd153

  • SSDEEP

    3072:dOq3B8kyfQQC2mC2gbvCsGowP96rH0Vu3b1vJ4gMdzeVj+3O1fnMw:Qq3BJ4vCCa9Vgxl+GvM

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:3440
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\AutoUpdate\AutoUpdateUtil.dll,#1
      2⤵
        PID:2448
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 612
          3⤵
          • Program crash
          PID:4924
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2448 -ip 2448
      1⤵
        PID:1808
      • 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=1040 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:3112

        Network

        MITRE ATT&CK Matrix

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        Downloads