Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{FG1BIKX0-1H6K-K13F-YA15-CI8SEGSX1Y53}] 'StubPath' = 'c:\netfrm\Local\Nssas.exe Restart'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Policies' = ''
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Policies' = ''
Malicious functions:
Creates and executes the following:
- 'C:\netfrm\Local\Nssas.exe'
Modifies file system :
Creates the following files:
- %TEMP%\XxX.xXx
- %TEMP%\UuU.uUu
- %APPDATA%\logs.dat
- C:\netfrm\Local\Nssas.exe
- %TEMP%\XX--XX--XX.txt
Sets the 'hidden' attribute to the following files:
- %APPDATA%\logs.dat
Deletes the following files:
- %TEMP%\XxX.xXx
- %TEMP%\UuU.uUu
- %TEMP%\XX--XX--XX.txt
Network activity:
Connects to:
- 'ha####.dnsd.info':81
UDP:
- DNS ASK ha####.dnsd.info