Overview

overview

8

Static

static

3

Unreal.Logger.v8.zip

windows10-2004-x64

1

Unreal.Logger.v8.zip

windows11-ltsc_2024-x64

8

Keystone.Net.dll

windows10-2004-x64

1

Keystone.Net.dll

windows11-ltsc_2024-x64

8

Microsoft....er.dll

windows10-2004-x64

1

Microsoft....er.dll

windows11-ltsc_2024-x64

1

SharpDisasm.dll

windows10-2004-x64

1

SharpDisasm.dll

windows11-ltsc_2024-x64

1

Unreal Logger.exe

windows10-2004-x64

6

Unreal Logger.exe

windows11-ltsc_2024-x64

8

de/Microso...es.dll

windows10-2004-x64

1

de/Microso...es.dll

windows11-ltsc_2024-x64

8

es/Microso...es.dll

windows10-2004-x64

1

es/Microso...es.dll

windows11-ltsc_2024-x64

8

fr/Microso...es.dll

windows10-2004-x64

1

fr/Microso...es.dll

windows11-ltsc_2024-x64

1

it/Microso...es.dll

windows10-2004-x64

1

it/Microso...es.dll

windows11-ltsc_2024-x64

1

ja/Microso...es.dll

windows10-2004-x64

1

ja/Microso...es.dll

windows11-ltsc_2024-x64

1

pl/Microso...es.dll

windows10-2004-x64

1

pl/Microso...es.dll

windows11-ltsc_2024-x64

1

ru/Microso...es.dll

windows10-2004-x64

1

ru/Microso...es.dll

windows11-ltsc_2024-x64

1

sv/Microso...es.dll

windows10-2004-x64

1

sv/Microso...es.dll

windows11-ltsc_2024-x64

8

tr/Microso...es.dll

windows10-2004-x64

1

tr/Microso...es.dll

windows11-ltsc_2024-x64

8

x64/keystone.dll

windows10-2004-x64

1

x64/keystone.dll

windows11-ltsc_2024-x64

8

x86/keystone.dll

windows10-2004-x64

3

x86/keystone.dll

windows11-ltsc_2024-x64

3

Resubmissions

05/07/2026, 16:09

260705-tl29zsdx6v6

05/07/2026, 16:08

260705-tlbr2adx5x8

Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/07/2026, 16:08

Sharing

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Report Analysis Logs

General

  • Target
    x64/keystone.dll
  • Size 5.1MB
  • Sample260705-tlbr2adx5x
  • SHA256 144508decba543d3a1d0ba5036d3205eb32f9d9ae738ba27ef3dd5fc501723db
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
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 28 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\x64\keystone.dll,#1
    1⤵
      PID:4996
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2896
      • 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:5736
    • 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:5468
    • 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:1116

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          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/5468-20-0x00000199001E0000-0x00000199002E0000-memory.dmp
          Download

          memory/5468-52-0x0000019903910000-0x0000019903930000-memory.dmp
          Download

          memory/5468-66-0x0000019914290000-0x00000199142B0000-memory.dmp
          Download

          memory/5468-30-0x0000019913E70000-0x0000019913F70000-memory.dmp
          Download

          memory/5468-28-0x0000019903B70000-0x0000019903B90000-memory.dmp
          Download

          memory/5736-191-0x000000000E2F0000-0x000000000EB6B000-memory.dmp
          Download