Overview

overview

8

Static

static

3

TeamViewer.exe

windows10-2004-x64

5

TeamViewer.exe

windows11-ltsc_2024-x64

6

$PLUGINSDI...ns.dll

windows10-2004-x64

3

$PLUGINSDI...ns.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows11-ltsc_2024-x64

8

$PLUGINSDI...on.dll

windows10-2004-x64

3

$PLUGINSDI...on.dll

windows11-ltsc_2024-x64

8

$PLUGINSDI...7z.dll

windows10-2004-x64

3

$PLUGINSDI...7z.dll

windows11-ltsc_2024-x64

3

TeamViewer.exe

windows10-2004-x64

7

TeamViewer.exe

windows11-ltsc_2024-x64

7

TeamViewer...op.exe

windows10-2004-x64

3

TeamViewer...op.exe

windows11-ltsc_2024-x64

3

TeamViewer_Note.exe

windows10-2004-x64

3

TeamViewer_Note.exe

windows11-ltsc_2024-x64

8

TeamViewer...pl.dll

windows10-2004-x64

1

TeamViewer...pl.dll

windows11-ltsc_2024-x64

1

TeamViewer...ce.exe

windows10-2004-x64

1

TeamViewer...ce.exe

windows11-ltsc_2024-x64

1

TeamViewer...es.dll

windows10-2004-x64

1

TeamViewer...es.dll

windows11-ltsc_2024-x64

1

tv_w32.dll

windows10-2004-x64

3

tv_w32.dll

windows11-ltsc_2024-x64

3

tv_w32.exe

windows10-2004-x64

3

tv_w32.exe

windows11-ltsc_2024-x64

3

tv_x64.dll

windows10-2004-x64

1

tv_x64.dll

windows11-ltsc_2024-x64

8

tv_x64.exe

windows10-2004-x64

1

tv_x64.exe

windows11-ltsc_2024-x64

1

uninstall.exe

windows10-2004-x64

7

uninstall.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    108s
  • max time network
    148s
  • 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, 18:11

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General

  • Target
    TeamViewer.exe
  • Size 9.2MB
  • Sample260705-ws2cdaav7k
  • SHA256 5a72cd6f1d7a06a50867e2524b88066fd000b97d7001ac9346990adc635bdf14
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
adwarediscoverypersistenceransomwarespywarestealer

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.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 11 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • System Location Discovery: System Language Discovery 1 TTPs 3 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.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of FindShellTrayWindow 53 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\TeamViewer.exe
    "C:\Users\Admin\AppData\Local\Temp\TeamViewer.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1172
    • C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer.exe
      "C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5036
      • C:\Users\Admin\AppData\Local\Temp\TeamViewer\tv_w32.exe
        "C:\Users\Admin\AppData\Local\Temp\TeamViewer\tv_w32.exe" --action hooks --log C:\Users\Admin\AppData\Roaming\TeamViewer\TeamViewer12_Logfile.log
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5672
      • C:\Users\Admin\AppData\Local\Temp\TeamViewer\tv_x64.exe
        "C:\Users\Admin\AppData\Local\Temp\TeamViewer\tv_x64.exe" --action hooks --log C:\Users\Admin\AppData\Roaming\TeamViewer\TeamViewer12_Logfile.log
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4684
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5252
    • 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:2156
  • 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:1940
  • 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:892

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

        TV_w32.dll
        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TV_w32.dll
        • Size 244KB
        • SHA256 66f1a2040a1fe4e08e3354db8ca896d123d6ada86d8885ce75b2d3128e5aafab
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        TV_w32.exe
        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TV_w32.exe
        • Size 243KB
        • SHA256 40535e5d76eaec277089c24578925bdf8efd42e0be015285cce4897f41eedb05
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        TV_x64.dll
        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TV_x64.dll
        • Size 267KB
        • SHA256 8d6c45de7afc008ad2bac1a0ab364c21844f5aefd23ec7562f46c445243a3178
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        TV_x64.exe
        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TV_x64.exe
        • Size 280KB
        • SHA256 02348a9bcfd2ee3b07a4fcd4575b3774f777ec9c01cc674aeaae113a87d1e02f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        TeamViewer.exe
        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer.exe
        • Size 26.7MB
        • SHA256 df128d2bed4b62e1b51fcde808cd0fb25561440684eb51bfe85729c6017a5b5d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        TeamViewer_Resource_pl.dll
        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_pl.dll
        • Size 650KB
        • SHA256 eeaff063bc5483bfe1dbc0d248ff6eded799be4b7556b2e59103d8179baa90f9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        TeamViewer_StaticRes.dll
        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_StaticRes.dll
        • Size 1.3MB
        • SHA256 c917e01bfa61d9f98fb21a4fd416a27c0dd1e063cff711bed9b23339f6ae3556
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        tvinfo.ini
        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\tvinfo.ini
        • Size 40B
        • SHA256 16b582087a939afb1af4c33340e03fedcfd495271633023f2f48c5d74aeaf4b9
        • MD5 SHA1 SHA512
        Submit Download

        System.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsp1B41.tmp\System.dll
        • Size 11KB
        • SHA256 982c5fb7ada7d8c9bc3e419d1c35da6f05bc5dd845940c179af3a33d00a36a8b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        TvGetVersion.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsp1B41.tmp\TvGetVersion.dll
        • Size 154KB
        • SHA256 f89a02e858183d373d35dfffc21359acf3d45eb96f8206c3581ba05ce49d2023
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        nsis7z.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsp1B41.tmp\nsis7z.dll
        • Size 175KB
        • SHA256 66b2f36274ddfeef35b1d6ae6e5755f834446e5d78a719063347543793987161
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        TeamViewer12_Logfile.log
        • Path C:\Users\Admin\AppData\Roaming\TeamViewer\TeamViewer12_Logfile.log
        • Size 7KB
        • SHA256 43050e9676b8f0a50edc087b734146e6528492c542b9409dd10145c035fb8296
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        TeamViewer12_Logfile.log
        • Path C:\Users\Admin\AppData\Roaming\TeamViewer\TeamViewer12_Logfile.log
        • Size 9KB
        • SHA256 7abb069853022581ef8401435e6bd7ca17e12d30abc7e29f92ad9a2267a20351
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/892-163-0x000001E014270000-0x000001E014290000-memory.dmp
        Download

        memory/892-119-0x000001E0001E0000-0x000001E0002E0000-memory.dmp
        Download

        memory/892-128-0x000001E003C70000-0x000001E003C90000-memory.dmp
        Download

        memory/892-142-0x000001E003DD0000-0x000001E003DF0000-memory.dmp
        Download

        memory/892-129-0x000001E013E70000-0x000001E013F70000-memory.dmp
        Download

        memory/1172-23-0x00000000074F0000-0x0000000007522000-memory.dmp
        Download

        memory/2156-268-0x000000000DBF0000-0x000000000DC9E000-memory.dmp
        Download

        memory/5036-96-0x00000000056A0000-0x00000000056A1000-memory.dmp
        Download

        memory/5036-81-0x00000000056A0000-0x00000000056A1000-memory.dmp
        Download