Overview

overview

8

Static

static

3

UT2004.exe

windows10-2004-x64

6

UT2004.exe

windows11-ltsc_2024-x64

4

$PLUGINSDIR/INetC.dll

windows10-2004-x64

3

$PLUGINSDIR/INetC.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows11-ltsc_2024-x64

8

$PLUGINSDI...gs.dll

windows10-2004-x64

3

$PLUGINSDI...gs.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...ec.dll

windows10-2004-x64

3

$PLUGINSDI...ec.dll

windows11-ltsc_2024-x64

3

Installer/...E.html

windows10-2004-x64

3

Installer/...E.html

windows11-ltsc_2024-x64

4

Installer/install.bat

windows10-2004-x64

3

Installer/install.bat

windows11-ltsc_2024-x64

8

Installer/install.ps1

windows10-2004-x64

3

Installer/install.ps1

windows11-ltsc_2024-x64

3

Installer/...64.exe

windows10-2004-x64

4

Installer/...64.exe

windows11-ltsc_2024-x64

6

Installer/...86.exe

windows10-2004-x64

4

Installer/...86.exe

windows11-ltsc_2024-x64

4

Installer/...up.exe

windows10-2004-x64

6

Installer/...up.exe

windows11-ltsc_2024-x64

6

Installer/...7z.dll

windows10-2004-x64

3

Installer/...7z.dll

windows11-ltsc_2024-x64

3

Installer/...7z.exe

windows10-2004-x64

3

Installer/...7z.exe

windows11-ltsc_2024-x64

3

Installer/...re.dll

windows10-2004-x64

3

Installer/...re.dll

windows11-ltsc_2024-x64

3

Installer/...UZ.exe

windows10-2004-x64

3

Installer/...UZ.exe

windows11-ltsc_2024-x64

8

Installer/...2c.exe

windows10-2004-x64

3

Installer/...2c.exe

windows11-ltsc_2024-x64

3

Analysis

  • max time kernel
    127s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 14:06

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General

  • Target
    Installer/tools/UZ.exe
  • Size 80KB
  • Sample260709-refrascv51
  • SHA256 01c554a9a8d685c8dcfdb1b1ba9b2ad30e05855888473e57c4f815badf8765d0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistenceransomwarespyware

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.

  • 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.

    discovery
  • 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 40 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 39 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:\Users\Admin\AppData\Local\Temp\Installer\tools\UZ.exe
    "C:\Users\Admin\AppData\Local\Temp\Installer\tools\UZ.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:3204
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1696
    • 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:1828
  • 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:4256
  • 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:6028

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 607B
        • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        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/4256-2-0x000001AE801E0000-0x000001AE802E0000-memory.dmp
        Download

        memory/4256-40-0x000001AE83C90000-0x000001AE83CB0000-memory.dmp
        Download

        memory/4256-65-0x000001AE94210000-0x000001AE94230000-memory.dmp
        Download

        memory/4256-28-0x000001AE83E50000-0x000001AE83F50000-memory.dmp
        Download

        memory/4256-27-0x000001AE83A30000-0x000001AE83A50000-memory.dmp
        Download

        memory/6028-188-0x000002D789000000-0x000002D789176000-memory.dmp
        Download