Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/04/2026, 00:18

General

  • Target
    TeamViewer.exe
  • Size 19.6MB
  • Sample260422-als7jaev9p
  • SHA256 3f2b9f9ae4378bdc7e34095f38cfd9fb3cfbd304eb52f43eaf95da74ec3abd86
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 10 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 3 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • 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 system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TeamViewer.exe
    "C:\Users\Admin\AppData\Local\Temp\TeamViewer.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3496
    • C:\Users\Admin\AppData\Local\Temp\tv_w32.exe
      "C:\Users\Admin\AppData\Local\Temp\tv_w32.exe" --action hooks --log C:\Users\Admin\AppData\Roaming\TeamViewer\TeamViewer11_Logfile.log
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3064
    • C:\Users\Admin\AppData\Local\Temp\tv_x64.exe
      "C:\Users\Admin\AppData\Local\Temp\tv_x64.exe" --action hooks --log C:\Users\Admin\AppData\Roaming\TeamViewer\TeamViewer11_Logfile.log
      2⤵
        PID:4724
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\system32\mshta.exe" C:\Users\Admin\AppData\Local\Temp\TeamViewer\7.hta
        2⤵
        • Badlisted process makes network request
        • System Location Discovery: System Language Discovery
        PID:5008

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
          • Size 2KB
          • SHA256 5d3335ae423148609febaea7544983b0d53eddeff208b678ae9ad38488deff40
          • MD5 SHA1 SHA512 TLSH

          07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
          • Size 488B
          • SHA256 54e31fe21e28eb46b47b270e16e56001a7b0a2e51c6129d4bd3df0ed6c7138e7
          • MD5 SHA1 SHA512 TLSH

          7.hta

          • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\7.hta
          • Size 1KB
          • SHA256 04f1cb06320f80eb117fda9c13ee72ea05ec017d04555b62a4a597b15132f893
          • MD5 SHA1 SHA512 TLSH

          TeamViewer11_Logfile.log

          • Path C:\Users\Admin\AppData\Roaming\TeamViewer\TeamViewer11_Logfile.log
          • Size 5KB
          • SHA256 86ee9bfdf0349745a3b283c7102bfa9a3c85df478e97d39f65048989199d475e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3496-0-0x0000000004D00000-0x0000000004D01000-memory.dmp

          memory/3496-5-0x0000000004D00000-0x0000000004D01000-memory.dmp

          memory/4724-6-0x000001843E530000-0x000001843E65A000-memory.dmp