Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'GoogleUpdateCore' = '"%LOCALAPPDATA%\Google\Update\27o6j204\ChromeUpdateManager.exe" /boot'
Malicious functions
Intercepts control using hardware breakpoints
in NTDLL dll
- chromeinstaller.exe process, ntdll.dll module
Modifies file system
Creates the following files
- %ALLUSERSPROFILE%\google\update\27o6j204\chromeupdatemanager.exe
- %ALLUSERSPROFILE%\google\update\27o6j204\chromehelper.dll
- %ALLUSERSPROFILE%\google\update\27o6j204\nvidia-smi.exe
- %ALLUSERSPROFILE%\google\update\27o6j204\chromeinstaller.exe
- %ALLUSERSPROFILE%\google\update\27o6j204\chrome_watchdog.exe
- %ALLUSERSPROFILE%\google\update\27o6j204\chrome_elf.dll
- %ProgramFiles(x86)%\google\update\install\27o6j204\chromeupdateengine.exe
- %LOCALAPPDATA%\google\update\27o6j204\chromeupdatemanager.exe
- %LOCALAPPDATA%\google\update\27o6j204\chrome_elf.dll
- %ProgramFiles(x86)%\google\update\install\27o6j204\chrome_elf.dll
Miscellaneous
Creates and executes the following
- '%ALLUSERSPROFILE%\google\update\27o6j204\chromeupdatemanager.exe' /install2
- '%ALLUSERSPROFILE%\google\update\27o6j204\chrome_watchdog.exe'
- '%ALLUSERSPROFILE%\google\update\27o6j204\chromeinstaller.exe'
- '%ALLUSERSPROFILE%\google\update\27o6j204\nvidia-smi.exe' -L
- '%ALLUSERSPROFILE%\google\update\27o6j204\nvidia-smi.exe' --query-gpu=name,driver_version --format=csv,noheader
- '%ALLUSERSPROFILE%\google\update\27o6j204\nvidia-smi.exe' --query-gpu=pci.bus_id --format=csv,noheader,nounits
- '%ALLUSERSPROFILE%\google\update\27o6j204\nvidia-smi.exe' --query-gpu=memory.total --format=csv,noheader,nounits
- '%ALLUSERSPROFILE%\google\update\27o6j204\nvidia-smi.exe' --query-gpu=temperature.gpu,clocks.sm,clocks.mem,fan.speed,power.draw,power.draw.instant --format=csv,noheader,nounits
- '%ALLUSERSPROFILE%\google\update\27o6j204\nvidia-smi.exe' --query-gpu=power.limit,power.default_limit --format=csv,noheader,nounits
Executes the following
- '%ALLUSERSPROFILE%\google\update\27o6j204\chromeupdatemanager.exe' /install2' (with hidden window)
- '%ALLUSERSPROFILE%\google\update\27o6j204\chrome_watchdog.exe' ' (with hidden window)
- '%ALLUSERSPROFILE%\google\update\27o6j204\chromeinstaller.exe' ' (with hidden window)
