Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 07:27

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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • 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:2700
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDui.dll,#1
      2⤵
        PID:1516
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 680
          3⤵
          • Program crash
          PID:4944
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1516 -ip 1516
      1⤵
        PID:4408
      • 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=3284 --field-trial-handle=2228,i,17475224967547320003,13667387715861799238,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:2212
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
          1⤵
            PID:2144
          • C:\Windows\System32\svchost.exe
            C:\Windows\System32\svchost.exe -k UnistackSvcGroup
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:448

          Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/448-0-0x000001C119940000-0x000001C119950000-memory.dmp

            Filesize

            64KB

          • memory/448-16-0x000001C119A40000-0x000001C119A50000-memory.dmp

            Filesize

            64KB

          • memory/448-32-0x000001C121D60000-0x000001C121D61000-memory.dmp

            Filesize

            4KB

          • memory/448-34-0x000001C121D90000-0x000001C121D91000-memory.dmp

            Filesize

            4KB

          • memory/448-35-0x000001C121D90000-0x000001C121D91000-memory.dmp

            Filesize

            4KB

          • memory/448-36-0x000001C121EA0000-0x000001C121EA1000-memory.dmp

            Filesize

            4KB