Analysis

  • max time kernel
    114s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/04/2024, 16:28

General

  • Target
    $PLUGINSDIR/InstallOptions.dll
  • Size 15KB
  • Sample240404-tysw3sda98
  • SHA256 f530069ef87a1c163c4fd63a3d5b053420ce3d7a98739c70211b4a99f90d6277
  • MD5 SHA1 SHA512 SSDEEP
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\InstallOptions.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2312
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
      2⤵
        PID:4032
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 636
          3⤵
          • Program crash
          PID:4632
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4032 -ip 4032
      1⤵
        PID:1444
      • 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=3408 --field-trial-handle=2232,i,11267738607351977302,107266978269557304,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:4132

        Network

              MITRE ATT&CK Matrix

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