Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'ComRepl' = '<DRIVERS>\comrepl.exe /waitservice'
- [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows] 'load' = '<DRIVERS>\spoolsv.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Mstsc' = '%APPDATA%\mstsc.exe /waitservice'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'IEudinit' = '<LS_APPDATA>\Microsoft\ieudinit.exe /waitservice'
Malicious functions:
Creates and executes the following:
- '<DRIVERS>\spoolsv.exe' /waitservice
Modifies file system :
Creates the following files:
- <DRIVERS>\comrepl.exe
- <DRIVERS>\spoolsv.exe
- %APPDATA%\mstsc.exe
- <LS_APPDATA>\Microsoft\ieudinit.exe
Network activity:
Connects to:
- 'www.ka###rus.com':80
TCP:
HTTP GET requests:
- http://www.ka###rus.com/img/gt.cgi?s=#################
UDP:
- DNS ASK www.ka###rus.com
