Overview

overview

8

Static

static

3

uzsetup.exe

windows10-2004-x64

7

uzsetup.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    899s
  • max time network
    549s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    21/07/2026, 15:24

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General

  • Target
    uzsetup.exe
  • Size 7.4MB
  • Sample260721-stem8abf85
  • SHA256 d7c0f87b6a65a8ec7e387a6b7a6f7a6effcb1d1d98ff6abd12753ed0c1bae143
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoveryinstallerpersistenceransomwarespyware

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
  • Executes dropped EXE 1 IoCs
  • 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 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Inno Setup is an open-source installation builder for Windows applications. 2 IoCs

    Inno Setup installer

    installer
  • 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 54 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 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\uzsetup.exe
    "C:\Users\Admin\AppData\Local\Temp\uzsetup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4220
    • C:\Users\Admin\AppData\Local\Temp\is-UEGHN.tmp\uzsetup.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-UEGHN.tmp\uzsetup.tmp" /SL5="$400FA,7495163,56832,C:\Users\Admin\AppData\Local\Temp\uzsetup.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4760
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4332
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5008
      • 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:4256
    • 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:4140
    • 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:2276
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:4992

      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 603B
            • SHA256 b346273b0f3e13afaa9f07d97248343c45a667a5e097d1198a449a4de187aebb
            • 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

            uzsetup.tmp
            • Path C:\Users\Admin\AppData\Local\Temp\is-UEGHN.tmp\uzsetup.tmp
            • Size 692KB
            • SHA256 e442e83c27e94bc37eb6c02411a88edd8cb83777d50312b9ef7bfc214c4cc7b2
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/2276-282-0x0000017C92000000-0x0000017C9229E000-memory.dmp
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            memory/4140-117-0x00000233801E0000-0x00000233802E0000-memory.dmp
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            memory/4140-281-0x0000023397B70000-0x0000023397E0E000-memory.dmp
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            memory/4140-147-0x0000023382C80000-0x0000023382CA0000-memory.dmp
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            memory/4140-148-0x0000023394160000-0x0000023394260000-memory.dmp
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            memory/4140-149-0x0000023382E00000-0x0000023382E20000-memory.dmp
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            memory/4140-163-0x0000023394460000-0x0000023394480000-memory.dmp
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            memory/4140-118-0x00000233801E0000-0x00000233802E0000-memory.dmp
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            memory/4140-119-0x00000233801E0000-0x00000233802E0000-memory.dmp
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            memory/4220-11-0x0000000000400000-0x0000000000414000-memory.dmp
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            memory/4220-0-0x0000000000400000-0x0000000000414000-memory.dmp
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            memory/4760-53-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-67-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-29-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-31-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-33-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-35-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-37-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-39-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-41-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-43-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-45-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-47-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-49-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-51-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-25-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-55-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-57-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-59-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-61-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-63-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-65-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-27-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-69-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-71-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-73-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-75-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-77-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-79-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-81-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-83-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-85-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-88-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-90-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-23-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-21-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-19-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-17-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-15-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-12-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-13-0x0000000002360000-0x0000000002361000-memory.dmp
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            memory/4760-6-0x0000000002360000-0x0000000002361000-memory.dmp
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            memory/4760-92-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-94-0x0000000000400000-0x00000000004BD000-memory.dmp
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            memory/4760-96-0x0000000000400000-0x00000000004BD000-memory.dmp
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