Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'WindowsSATcom' = '%WINDIR%\Temp\WinSAT.exe'
Malicious functions:
Creates and executes the following:
- '%TEMP%\ndadmin.exe'
- '%TEMP%\bthudtask.exe' /S /adv 1677
- '%TEMP%\WinSAT.exe'
- '%TEMP%\bthudtask.exe' (downloaded from the Internet)
- '%TEMP%\WinSAT.exe' (downloaded from the Internet)
- '%TEMP%\ndadmin.exe' (downloaded from the Internet)
Modifies file system:
Creates the following files:
- %TEMP%\WinSAT.exe
- %TEMP%\ndadmin.exe
- %TEMP%\bthudtask.exe
- %TEMP%\wrscv5.xml
- %TEMP%\msint12.sys
- %TEMP%\gdsl34.bmp
- %TEMP%\rdpcli2.scr
Deletes the following files:
- %TEMP%\nsu2.tmp\System.dll
- %TEMP%\nsu2.tmp\inetc.dll
- %TEMP%\nsu2.tmp\blowfish.dll
Network activity:
Connects to:
- 'qt##k.info':80
- 'ci##u.gdn':80
TCP:
HTTP GET requests:
- http://qt##k.info/gp/geoip.php
- http://ci##u.gdn/prv.php
- http://ci##u.gdn/ppt.php
UDP:
- DNS ASK qt##k.info
- DNS ASK ci##u.gdn
