Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'servis' = '<DRIVERS>\servis.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'servi' = '<DRIVERS>\servi.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'GbpSbk' = '%PROGRAM_FILES%\GbPlugin\\GbpSbk.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Gsbpk' = '%PROGRAM_FILES%\GbPlugin\\Gsbpk.exe'
Malicious functions:
Executes the following:
- '<SYSTEM32>\sc.exe' config gbpsv start= disabled
- '<SYSTEM32>\sc.exe' stop gbpsv
- '<SYSTEM32>\sc.exe' delete gbpsv
- '<SYSTEM32>\taskkill.exe' /im gbpsv.exe
- '<SYSTEM32>\sc.exe' config gbpkm start= disabled
- '<SYSTEM32>\sc.exe' stop gbpkm
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\add[1].php
- <DRIVERS>\servi.exe
- <DRIVERS>\servis.exe
Network activity:
Connects to:
- 'mr####strucoes.com':80
TCP:
HTTP GET requests:
- mr####strucoes.com/css/gb/add.php
UDP:
- DNS ASK mr####strucoes.com
Miscellaneous:
Searches for the following windows:
- ClassName: '(null)' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
