Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
27/06/2026, 12:14
General
- Target TVQS_es.exe
- Size 3.0MB
- Sample260627-pegmgsav2t
- SHA256 e602ef45c100fdf7548fb3a86c100a00351985680672bef8c53f15165a236bc0
Malware Config
Signatures
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 16 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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.
- Modifies system certificate store 2 TTPs 3 IoCs
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\TVQS_es.exe"C:\Users\Admin\AppData\Local\Temp\TVQS_es.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\TeamViewer\Version7\TeamViewer.exe"C:\Users\Admin\AppData\Local\Temp\TeamViewer\Version7\TeamViewer.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\TeamViewer\Version7\tv_w32.exe"C:\Users\Admin\AppData\Local\Temp\TeamViewer\Version7\tv_w32.exe" --action hooks --log C:\Users\Admin\AppData\Roaming\TeamViewer\TeamViewer7_Logfile.log3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Temp\TeamViewer\Version7\tv_x64.exe"C:\Users\Admin\AppData\Local\Temp\TeamViewer\Version7\tv_x64.exe" --action hooks --log C:\Users\Admin\AppData\Roaming\TeamViewer\TeamViewer7_Logfile.log3⤵
- Executes dropped EXE
- Loads dropped DLL
-
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Network
MITRE ATT&CK Enterprise v16
Defense Evasion
Modify Registry
1Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
TV_w32.dll
TV_w32.exe
TV_x64.dll
TV_x64.exe
TeamViewer.exe
TeamViewer_Resource_es.dll
TeamViewer_StaticRes.dll
tvinfo.ini
System.dll
TvGetVersion.dll
nsis7z.dll
TeamViewer7_Logfile.log
TeamViewer7_Logfile.log
memory/3680-87-0x00000000033B0000-0x00000000033B1000-memory.dmp
memory/3680-102-0x00000000033B0000-0x00000000033B1000-memory.dmp
memory/5056-80-0x0000000000400000-0x000000000043F000-memory.dmp
memory/5056-0-0x0000000000400000-0x000000000043F000-memory.dmp
memory/5056-24-0x0000000006A30000-0x0000000006A63000-memory.dmp
memory/5056-1-0x000000000043E000-0x000000000043F000-memory.dmp