Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 12:26

General

  • Target
    TeamViewerQS.exe
  • Size 17.7MB
  • Sample261102-pl9xlsb18k
  • SHA256 c1a31b150919153fa1534b4be0e72994fe7d9486d619339dfaa1e6edc6612e92
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Enumerates video capture drivers 2 TTPs 1 IoCs

    Queries the legacy Video for Windows capture drivers. This is commonly abused by RATs to check for available webcams on the system before reporting to their C2.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 13 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Reads user/profile data of web browsers 3 TTPs

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

  • 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.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TeamViewerQS.exe
    "C:\Users\Admin\AppData\Local\Temp\TeamViewerQS.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2532
    • C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer.exe
      "C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer.exe" --configuration 6fbhtj3
      2⤵
      • Enumerates video capture drivers
      • Executes dropped EXE
      • Loads dropped DLL
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Enumerates system info in registry
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4876
      • 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\TeamViewer15_Logfile.log
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        PID:1156
      • 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\TeamViewer15_Logfile.log
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Modifies data under HKEY_USERS
        PID:5568
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5440

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          TV_w32.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TV_w32.dll
          • Size 410KB
          • SHA256 249f1003808232094f9fb7eac650b97d6227784edf58b4c8d3dd63b456e163bf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TV_w32.exe

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TV_w32.exe
          • Size 1.1MB
          • SHA256 d42aab0e79f2dc069e42c2ee708c74715fa7ab4eb3c02c200b737e6dd40523bf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TV_x64.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TV_x64.dll
          • Size 519KB
          • SHA256 93424983b28bf6b5786c503cdf70a1bf19542945af3224b4d5e46c1ef1aad2c9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TV_x64.exe

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TV_x64.exe
          • Size 1.3MB
          • SHA256 ba50db49cdcfd8a8dee7d9b90f2e784d2f88386029f4e09bceee6da05bb90520
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer.exe

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer.exe
          • Size 35.3MB
          • SHA256 1ca5a30044714662d21622dd62fbb0dcefc81266d5d320408fa6258cfc4d8252
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Desktop.exe

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Desktop.exe
          • Size 9.7MB
          • SHA256 6169fe8fbec2e4807584d2282acd8012c490f9adf2120263bed3853a7fff120a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_ar.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_ar.dll
          • Size 277KB
          • SHA256 bc406661cef10489a975e48f367f4cd78615eacb654d44b60691ad82a3f3385b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_bg.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_bg.dll
          • Size 325KB
          • SHA256 6e918e90f7b57909b089d147d075e2e5f2a5075ed51562179fe7c5ae47c1181a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_cs.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_cs.dll
          • Size 302KB
          • SHA256 f703ed5b4188adbcf6797c6b2abc0c5981ba6669bd5be43761ec99d429eb28e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_da.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_da.dll
          • Size 298KB
          • SHA256 bbea8e3b287890722fece49d4e34116709ad6c107f5d5896df2d86ca22942654
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_de.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_de.dll
          • Size 335KB
          • SHA256 50604bb7924c7859dea72596675f838200d0b8348ed5e61f8e26d905612c42af
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_el.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_el.dll
          • Size 360KB
          • SHA256 3d2e2cc0c0fcc70105f25f42faabc4e059e4ed0b0a048b7d6749f1c38e8ecf71
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_en.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_en.dll
          • Size 293KB
          • SHA256 20915cf1fe9a8f3ff43113a439bf581aed8dada27812bb42c5627f37c0d1fdd8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_es.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_es.dll
          • Size 332KB
          • SHA256 c0fd4e6384be5be4616665cf0cb870f6384093eb04404f20a0e7b2f3d0c44874
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_fi.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_fi.dll
          • Size 301KB
          • SHA256 79364e91c125135927e71d6f78da26efdc9752c6f184c183705295eb1de5a3ae
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_fr.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_fr.dll
          • Size 350KB
          • SHA256 b2eb28643e25a7e37757c51178971cf935c836a2b077b003cbfb92914dac13e6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_he.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_he.dll
          • Size 244KB
          • SHA256 15125ed3e040d0203d4962fba5c08d5178bfd39dee9c7b27331c904e38b0aab8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_hr.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_hr.dll
          • Size 315KB
          • SHA256 9b384c585d6e9376cab37d30f4169edce3ef4fc68662f4ca25c1e6e3cdf0607f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_hu.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_hu.dll
          • Size 325KB
          • SHA256 d75150d48b065dd16b8ba4b84a3a27369f0554db7d3fc8712ae521f94991b106
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_id.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_id.dll
          • Size 306KB
          • SHA256 57463dc86c233a2eb59d944fa96e57921ee4b6f340506c7d380eb88000c9570b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_it.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_it.dll
          • Size 332KB
          • SHA256 45e3833130a103926db4cbcc812abe9ce692a1d1af544d21643144170b389e58
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_ja.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_ja.dll
          • Size 181KB
          • SHA256 b181db482af8867d581e95357c327fda370fabd3d8c2a9768ed2cc029d60c640
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_ko.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_ko.dll
          • Size 177KB
          • SHA256 6627bec2728d817e8d2fbafa7f5feb8d3a0b92455ff28f2acab12f8a871bb02d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_lt.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_lt.dll
          • Size 323KB
          • SHA256 4e6a4dcc647f65cf692acd919337854064baee845bbf07a4d7fe3e0f0d71b843
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_nl.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_nl.dll
          • Size 323KB
          • SHA256 2446eb6b86a7718461383d6870985d38305aa21dd5a928976e89aafd8abc526d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_no.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_no.dll
          • Size 296KB
          • SHA256 d24a111ead0cddac73bc726031b79cc98f83ee4429bcafe18129ad1b132eb4d1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_pl.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_pl.dll
          • Size 325KB
          • SHA256 fd6d558f98e866f04e3877ae49fc6f1052b27e67f7a525d38bed29eeba6be54a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_pt.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_pt.dll
          • Size 317KB
          • SHA256 df53a561d84984d4683a71e78a57305409f05b07a57dd099f0ce72f359536707
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_ro.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_ro.dll
          • Size 341KB
          • SHA256 7644eea4ac2cc025ec4f542657a32727a22dad36105b10953089155bf3db5852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_ru.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_ru.dll
          • Size 319KB
          • SHA256 9e30c53b1112adefe6d8c656f4e47fd24d336e2fb4da61da4888c5540b378414
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_sk.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_sk.dll
          • Size 311KB
          • SHA256 4c5778b865284b627d6c073110cf0982fa341805d754fcbc8c8a49a885fa86aa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_sr.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_sr.dll
          • Size 313KB
          • SHA256 1400904410e0b6dde266a25b44abcfb968f075d87456516ca68c15f2263be01f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_sv.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_sv.dll
          • Size 297KB
          • SHA256 f99a3c6c846363d8b507fa2afa2b2a47a4dde992ca845b655dfb96956f164308
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_th.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_th.dll
          • Size 291KB
          • SHA256 d7b17f735a8bd5c510a905efed9006b6cfcdd4e85c720fb22e665c44d427d092
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_tr.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_tr.dll
          • Size 305KB
          • SHA256 467c310527e25e5d7d32bfd04c29b63c8cba265696b319ac9a9cf027c595e18c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_uk.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_uk.dll
          • Size 318KB
          • SHA256 3ddf9d552d37a2219bf09c7b1cd4031f94b7e742b988cb3e4bea69cc54544a60
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_vi.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_vi.dll
          • Size 332KB
          • SHA256 152968714f117c332200e02002608399ce3de33a76c8f5fc7ea5d782de28fa79
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_zhCN.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_zhCN.dll
          • Size 134KB
          • SHA256 2d48feb6b152c9bbe5a448ccbcbe55a5e01d2d2450864ce7a5821cfdb3a1ec82
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Resource_zhTW.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_zhTW.dll
          • Size 135KB
          • SHA256 17ec0ed7aca17c36582e39bd8daca1b002fc88bad6a318db49fa58d167c73e3b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_Service.exe

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Service.exe
          • Size 9.3MB
          • SHA256 864511711210b994dde49f788ca705f8e8302c67d4752690b84fb006bbe51cf6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer_StaticRes.dll

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_StaticRes.dll
          • Size 6.0MB
          • SHA256 41a8e29f8ea8804ef378dd72f7cd8d75e11f46c3e10ea2604ff909a05db6552c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          tvinfo.ini

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\tvinfo.ini
          • Size 42B
          • SHA256 5db8492612377ef534466ca3335b11efa9a2fa2fb1b2fe7d2c5707bcbf130e63
          • MD5 SHA1 SHA512

          uninstall.exe

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\uninstall.exe
          • Size 435KB
          • SHA256 81c3d9d75711cfdeb19528a33a8b5dcaba153dbc008bbc741d4e5f840f4e691e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TVMonitor.inf

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\x64\TVMonitor.inf
          • Size 1KB
          • SHA256 60fa2925c589ac38bab74713e1b0bb2a205a8c825d614b971fc3426991cd86ca
          • MD5 SHA1 SHA512 TLSH

          TVMonitor.sy_

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\x64\TVMonitor.sy_
          • Size 17KB
          • SHA256 78318c6a8ae65fb3afe6ba06cf1bda69903390e250950d3bf78895cd79afd4d8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          tvmonitor.cat

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\x64\tvmonitor.cat
          • Size 8KB
          • SHA256 143df27418b1eaf375bed6291765e2e77166830d6216a6bfb71a075735f05da5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer.json

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\{8ef34ae1-a4b4-4d14-88e7-287d91c85b9f}\TeamViewer.json
          • Size 709B
          • SHA256 20b640b537ad11d66a9efb4ddd5f11f02898bde49ac881108f7254c78e24527c
          • MD5 SHA1 SHA512 TLSH

          TeamViewer.sig

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\{8ef34ae1-a4b4-4d14-88e7-287d91c85b9f}\TeamViewer.sig
          • Size 216B
          • SHA256 0633fe4c9e7635b90f33d808214afe6603d946d12ca1723120045cee5dfb0675
          • MD5 SHA1 SHA512 TLSH

          logo.png

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\{8ef34ae1-a4b4-4d14-88e7-287d91c85b9f}\logo.png
          • Size 6KB
          • SHA256 fd3d123865dff830cad3c17b232b1add9c5d304ac4235b299ffa4f9fb9e291ef
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomerTools.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsf28A9.tmp\CustomerTools.dll
          • Size 831KB
          • SHA256 a9f17262b3b4957e9efbf6ebe54400c7b7544e4fb40bf84753cd3bdb7053d035
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsf28A9.tmp\System.dll
          • Size 11KB
          • SHA256 982c5fb7ada7d8c9bc3e419d1c35da6f05bc5dd845940c179af3a33d00a36a8b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TvGetVersion.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsf28A9.tmp\TvGetVersion.dll
          • Size 210KB
          • SHA256 c67cbd5e35e1ce0c7ba17c55d8e2bc33afd5e0a68774554a1fe7216d330c709e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          nsJSON.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsf28A9.tmp\nsJSON.dll
          • Size 18KB
          • SHA256 431fc2ed27d0b7a1ce80de07989595effcc3ffb1dea1af6c0e178b53f6bd2f1e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          nsis7z.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsf28A9.tmp\nsis7z.dll
          • Size 175KB
          • SHA256 66b2f36274ddfeef35b1d6ae6e5755f834446e5d78a719063347543793987161
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer15_Logfile.log

          • Path C:\Users\Admin\AppData\Roaming\TeamViewer\TeamViewer15_Logfile.log
          • Size 7KB
          • SHA256 f37ebe070b40c52df6f844ac79696c682e0d5eb148a441f31b061f170ff47b8a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TeamViewer15_Logfile.log

          • Path C:\Users\Admin\AppData\Roaming\TeamViewer\TeamViewer15_Logfile.log
          • Size 8KB
          • SHA256 9b38fcf2e0b75d2c9f40f67cfc783003b2e45c7f8b2750bfea19b50225507058
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2532-23-0x0000000002600000-0x0000000002632000-memory.dmp