Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\services\IKEEXT] 'Start' = '00000002'
- [<HKLM>\SYSTEM\ControlSet001\services\WinHTTP Class Cryptographic Office] 'Start' = '00000002'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
- [<HKLM>\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
blocks the following features:
- Windows Security Center
Creates and executes the following:
- '%WINDIR%\ospqksw.exe' "%WINDIR%\bkyteapqc.exe"
- '%WINDIR%\TEMP\wurv717ym5ufp.exe' -r 23817 tcp
- '%TEMP%\wurv717lc7ufpehmsoqrq.exe'
- '%WINDIR%\bkyteapqc.exe'
Executes the following:
- '<SYSTEM32>\svchost.exe' -k NetworkServiceNetworkRestricted
- '<SYSTEM32>\netsh.exe' firewall set opmode disable
Modifies file system :
Creates the following files:
- %WINDIR%\rdsehyoculygq\run
- %WINDIR%\rdsehyoculygq\rng
- %WINDIR%\Temp\wurv717ym5ufp.exe
- %WINDIR%\rdsehyoculygq\cfg
- %WINDIR%\ospqksw.exe
- %TEMP%\wurv717lc7ufpehmsoqrq.exe
- %WINDIR%\rdsehyoculygq\tst
- %WINDIR%\bkyteapqc.exe
- %WINDIR%\rdsehyoculygq\etc
Sets the 'hidden' attribute to the following files:
- %WINDIR%\ospqksw.exe
- %WINDIR%\bkyteapqc.exe
Deletes the following files:
- %WINDIR%\Temp\wurv717ym5ufp.exe
- %TEMP%\wurv717lc7ufpehmsoqrq.exe
- <DRIVERS>\etc\hosts
Substitutes the HOSTS file.
Network activity:
UDP:
- DNS ASK fr###yloss.net
- DNS ASK na###here.net
- DNS ASK gr###grain.net
- DNS ASK hi###ance.net
- DNS ASK wr###below.net
- DNS ASK lo###old.net
- DNS ASK ab###ead.net
- DNS ASK fe###tate.net
- DNS ASK dn#.##ftncsi.com
- '23#.#55.255.250':1900
- '20#.#6.232.182':3544
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
