Overview

overview

6

Static

static

3

BootstrapperNew.exe

windows11-ltsc_2024-x64

1

costura.dll

windows11-ltsc_2024-x64

1

costura.pdb

windows11-ltsc_2024-x64

3

microsoft....rs.dll

windows11-ltsc_2024-x64

6

microsoft....rs.pdb

windows11-ltsc_2024-x64

3

microsoft....es.dll

windows11-ltsc_2024-x64

1

microsoft....ck.dll

windows11-ltsc_2024-x64

1

microsoft....ll.dll

windows11-ltsc_2024-x64

1

newtonsoft.json.dll

windows11-ltsc_2024-x64

6

presentationcore.dll

windows11-ltsc_2024-x64

6

presentati...rk.dll

windows11-ltsc_2024-x64

1

system.buffers.dll

windows11-ltsc_2024-x64

1

system.codedom.dll

windows11-ltsc_2024-x64

1

system.data.dll

windows11-ltsc_2024-x64

6

system.io....em.dll

windows11-ltsc_2024-x64

6

system.io....es.dll

windows11-ltsc_2024-x64

1

system.memory.dll

windows11-ltsc_2024-x64

1

system.net.http.dll

windows11-ltsc_2024-x64

1

system.num...rs.dll

windows11-ltsc_2024-x64

1

system.run...fe.dll

windows11-ltsc_2024-x64

1

system.tex...eb.dll

windows11-ltsc_2024-x64

1

system.text.json.dll

windows11-ltsc_2024-x64

1

system.thr...ns.dll

windows11-ltsc_2024-x64

6

system.valuetuple.dll

windows11-ltsc_2024-x64

1

system.win...ms.dll

windows11-ltsc_2024-x64

1

system.xaml.dll

windows11-ltsc_2024-x64

1

system.xml.dll

windows11-ltsc_2024-x64

1

system.xml.linq.dll

windows11-ltsc_2024-x64

6

windowsbase.dll

windows11-ltsc_2024-x64

6

wpfanimatedgif.dll

windows11-ltsc_2024-x64

1

wpfanimatedgif.pdb

windows11-ltsc_2024-x64

3

Analysis

  • max time kernel
    110s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/07/2026, 16:52

Sharing

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Report Analysis Logs

General

  • Target
    microsoft.aspnetcore.systemwebadapters.dll
  • Size 21KB
  • Sample260706-vdkweady2k
  • SHA256 20db4d4162ffc6e2dc44637b649552d58432c4089c4adc3a2d5e582a7c0933bc
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
adwarepersistenceransomwarespyware

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\microsoft.aspnetcore.systemwebadapters.dll,#1
    1⤵
      PID:2616
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1320
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:5628
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1080
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:5680

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          prep_Activatable Class_Hermes_perf.cache
          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
          • Size 599B
          • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          memory/1080-3-0x00000297801E0000-0x00000297802E0000-memory.dmp
          Download

          memory/1080-47-0x0000029795700000-0x0000029795720000-memory.dmp
          Download

          memory/1080-15-0x0000029795000000-0x0000029795100000-memory.dmp
          Download

          memory/1080-14-0x0000029783A20000-0x0000029783A40000-memory.dmp
          Download

          memory/1080-2-0x00000297801E0000-0x00000297802E0000-memory.dmp
          Download

          memory/1080-32-0x0000029783C80000-0x0000029783CA0000-memory.dmp
          Download

          memory/1080-1-0x00000297801E0000-0x00000297802E0000-memory.dmp
          Download

          memory/5680-183-0x00000242C3490000-0x00000242C358F000-memory.dmp
          Download