Analysis

  • max time kernel
    140s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-08-2024 11:20

General

  • Target

    $PLUGINSDIR/AdvSplash.dll

  • Size

    6KB

  • MD5

    13cc92f90a299f5b2b2f795d0d2e47dc

  • SHA1

    aa69ead8520876d232c6ed96021a4825e79f542f

  • SHA256

    eb1ca2b3a6e564c32677d0cdc388e26b74ef686e071d7dbca44d0bfa10488feb

  • SHA512

    ff4e6e6e7104568fc85ef3a3f0494a5c7822a4ceaf65c584ad534f08f9a472a8d86f0a62f1f86343c61e2540b2254714b7ea43e4b312ff13d8271ff069386fa3

  • SSDEEP

    96:6hNSXIcmYjkvTS6MnBNZ1BMjDfhkkEkkXstWpPwoS:JXIpzTSd1BSk/kJtWpP

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\AdvSplash.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3688
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\AdvSplash.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1536
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1536 -s 624
        3⤵
        • Program crash
        PID:3380
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1536 -ip 1536
    1⤵
      PID:3732
    • 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 --field-trial-handle=3808,i,10369132178352108590,11047993562598554317,262144 --variations-seed-version --mojo-platform-channel-handle=3812 /prefetch:8
      1⤵
        PID:4828

      Network

      MITRE ATT&CK Enterprise v15

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      Downloads