Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '11b66f66324ac0e6e6a3c81ee698d1b6' = '"%APPDATA%\svchot.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '11b66f66324ac0e6e6a3c81ee698d1b6' = '"%APPDATA%\svchot.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\11b66f66324ac0e6e6a3c81ee698d1b6.exe
Creates the following files on removable media:
- <Drive name for removable media>:\11b66f66324ac0e6e6a3c81ee698d1b6.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\svchot.exe' = '%APPDATA%\svchot.exe:*:Enabled:svchot.exe'
Creates and executes the following:
- '%APPDATA%\svchot.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\svchot.exe" "svchot.exe" ENABLE
Modifies file system :
Creates the following files:
- %APPDATA%\svchot.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\11b66f66324ac0e6e6a3c81ee698d1b6.exe
Network activity:
Connects to:
- 'lm####.no-ip.org':1177
UDP:
- DNS ASK lm####.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
