Analysis

  • max time kernel
    151s
  • max time network
    133s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/11/2026, 12:27

General

  • Target
    Fernwartung_Retter-edv.exe
  • Size 20.7MB
  • Sample261110-pmqkcsfd46
  • SHA256 4501962efe237f55c88858106a5588e3ea9a259de8acda3b789e405a643fc507
  • 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.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fernwartung_Retter-edv.exe
    "C:\Users\Admin\AppData\Local\Temp\Fernwartung_Retter-edv.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1036
    • C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer.exe
      "C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer.exe" --configuration 6ss3895
      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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:264
      • 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:3996
      • 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:2884

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 415KB
        • SHA256 de15a3673f7a449b8f19eb3df97fc18be55f3cbe3a46546e2f1f69c9c5cf6863
        • MD5 SHA1 SHA512 SSDEEP TLSH

        TV_w32.exe

        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TV_w32.exe
        • Size 344KB
        • SHA256 5fe58f0d59ed7b4df867d34baad010fa5d307977280fce16f1ab84cdbb0fe6d5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        TV_x64.dll

        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TV_x64.dll
        • Size 527KB
        • SHA256 1617bff9822b296a35d7ff34b247de68c2f26aef76564d7eca1ae617971eb670
        • MD5 SHA1 SHA512 SSDEEP TLSH

        TV_x64.exe

        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TV_x64.exe
        • Size 409KB
        • SHA256 a71d1cdb3b81191d376e1704b25d12b34a9326a0d76084c435e5c52835fc2f28
        • MD5 SHA1 SHA512 SSDEEP TLSH

        TeamViewer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer.exe
        • Size 40.5MB
        • SHA256 08bfc729d0dca8f4a3bbbaa286a5d58f96fcd2061e518eab0456e1ef0e22f7e8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        TeamViewer.sig

        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer.sig
        • Size 216B
        • SHA256 960a523d99ba3db2402b550c7c8518622aebe303bfffe0d09ce316cd5f7faa37
        • MD5 SHA1 SHA512 TLSH

        TeamViewer_Resource_de.dll

        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_de.dll
        • Size 408KB
        • SHA256 28144ba475e7d89c01ff65ad8cbd5d0a5413d48087e44816a3d74ec04e270204
        • MD5 SHA1 SHA512 SSDEEP TLSH

        TeamViewer_Resource_en.dll

        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_en.dll
        • Size 356KB
        • SHA256 698e773dbe4b306bbe2028e5bd014462c79d107d8b1c7cf258f8605272cfcad7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        TeamViewer_StaticRes.dll

        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_StaticRes.dll
        • Size 6.7MB
        • SHA256 257d6fa51420280b09c06a052570637d57ba5a8b5ccd090f9e429f3c6d4017f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        logo.png

        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\logo.png
        • Size 72KB
        • SHA256 e0f39a317bcc91a95f96f1bc5dcf0d99b49f0ec151c07eccb138802fd6a13d83
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tvinfo.ini

        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\tvinfo.ini
        • Size 52B
        • SHA256 9a1f3784e4bad6d4a31305bd122ea8aa19ff96db0fc3652a6976e54a3d44118f
        • MD5 SHA1 SHA512 TLSH

        TeamViewer.json

        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\{c3ec28cf-b26b-4e2e-9c5b-8f5b31400a2c}\TeamViewer.json
        • Size 374B
        • SHA256 c7c55393d9211a7766cf2010495b046b2bdf50549c3740d8fddee038ca048f4f
        • MD5 SHA1 SHA512 TLSH

        CustomerTools.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsg2D32.tmp\CustomerTools.dll
        • Size 831KB
        • SHA256 a9f17262b3b4957e9efbf6ebe54400c7b7544e4fb40bf84753cd3bdb7053d035
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsg2D32.tmp\System.dll
        • Size 11KB
        • SHA256 982c5fb7ada7d8c9bc3e419d1c35da6f05bc5dd845940c179af3a33d00a36a8b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        TvGetVersion.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsg2D32.tmp\TvGetVersion.dll
        • Size 228KB
        • SHA256 e721edb07e9a58dd696691d2492f1b3238974b35ae5401798b00c5a382d9ffbb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nsJSON.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsg2D32.tmp\nsJSON.dll
        • Size 18KB
        • SHA256 431fc2ed27d0b7a1ce80de07989595effcc3ffb1dea1af6c0e178b53f6bd2f1e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nsis7z.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsg2D32.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 5KB
        • SHA256 42bb4af59391e501c1993d0d8b22c9142a2f82a4c3155c0efb8c28a9d3850c4f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        TeamViewer15_Logfile.log

        • Path C:\Users\Admin\AppData\Roaming\TeamViewer\TeamViewer15_Logfile.log
        • Size 5KB
        • SHA256 52ee662b5b302c1938f3597e65848e05c90b52667aab63655134d1bd2ce923e4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1036-23-0x00000000074D0000-0x0000000007502000-memory.dmp