Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'winhost' = '%TEMP%\ozsLoOTghQ.exe'
Malicious functions:
Creates and executes the following:
- '%TEMP%\svchost.exe'
- '%TEMP%\csrss.exe'
- '%TEMP%\ozsLoOTghQ.exe'
Executes the following:
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2.tmp" "%TEMP%\vbc1.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\c5oldjzx.cmdline"
Modifies file system :
Creates the following files:
- %TEMP%\%USERNAME%2.txt
- %TEMP%\xcoca.ine
- %TEMP%\ozsLoOTghQ.exe:ZONE.identifier
- %TEMP%\%USERNAME%8
- %TEMP%\%USERNAME%7
- %APPDATA%\%USERNAME%log.dat
- %TEMP%\ozsLoOTghQ.exe
- %TEMP%\c5oldjzx.cmdline
- %TEMP%\c5oldjzx.0.vb
- %TEMP%\csrss.exe
- %TEMP%\RES2.tmp
- %TEMP%\vbc1.tmp
- %TEMP%\c5oldjzx.out
Sets the 'hidden' attribute to the following files:
- %APPDATA%\%USERNAME%log.dat
- %TEMP%\csrss.exe
Deletes the following files:
- %TEMP%\%USERNAME%2.txt
- %TEMP%\c5oldjzx.cmdline
- %TEMP%\%USERNAME%7
- %TEMP%\%USERNAME%8
- %TEMP%\vbc1.tmp
- %TEMP%\RES2.tmp
- %TEMP%\c5oldjzx.out
- %TEMP%\c5oldjzx.0.vb
Moves the following files:
- from %TEMP%\xcoca.ine to %TEMP%\svchost.exe
Network activity:
Connects to:
- 'sp#####et.servebeer.com':569
- 'ho######er.servebeer.com':569
UDP:
- DNS ASK sp#####et.servebeer.com
- DNS ASK ho######er.servebeer.com
