Analysis

  • max time kernel
    124s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-08-2024 22:12

General

  • Target

    $PLUGINSDIR/nsDui.dll

  • Size

    10.0MB

  • MD5

    368841af8b0074e348418f106716e603

  • SHA1

    75469510665b651b38e3b4fb7c4240722c756126

  • SHA256

    3be54dea5aedc0d8d16d6c4bd4e046e2d93bfc550a1a035a94768c2d5901e327

  • SHA512

    3804afa3930a90f258a2b4e7106e1d0211e5d4ca6a7f5ba23da11e3908b4e202295ddbcb1ecf1e15215bc9a0aece1a46efad07ad94feddd4f316b0de674c50d5

  • SSDEEP

    196608:H1YWSpeHkab9WLMhJuH9E7QfqV9BgtBx2Tr+Z/iYyEuOyWoqeob8VvW:eWBfbQcJudLqV9ByBxP/1o0b

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\nsDui.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2320
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDui.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4788
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 684
        3⤵
        • Program crash
        PID:3236
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4788 -ip 4788
    1⤵
      PID:3752
    • 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=4360,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=1296 /prefetch:8
      1⤵
        PID:1304

      Network

      MITRE ATT&CK Enterprise v15

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      Downloads