Analysis

  • max time kernel
    149s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    29/05/2026, 00:10

General

  • Target
    TeamViewer.exe
  • Size 67.3MB
  • Sample260529-age44set7m
  • SHA256 b261874ad05fc0639fdff1749a9fb96e5415e69b060b6a1abe52030749edd39c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • 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.

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TeamViewer.exe
    "C:\Users\Admin\AppData\Local\Temp\TeamViewer.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:4592
    • C:\Users\Admin\AppData\Local\Temp\tv_w32.exe
      "C:\Users\Admin\AppData\Local\Temp\tv_w32.exe" --log --action hooks
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:2480
    • C:\Users\Admin\AppData\Local\Temp\tv_x64.exe
      "C:\Users\Admin\AppData\Local\Temp\tv_x64.exe" --log --action hooks
      2⤵
      • Modifies data under HKEY_USERS
      PID:2692

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads