Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'HKCM' = '%WINDIR%\Large\server.exe'
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{MB3JKSW-Y883-WE0K-IY6U-SL6N6I178}] 'StubPath' = '%WINDIR%\Large\server.exe Restart'
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{MB3JKSW-Y883-WE0K-IY6U-SL6N6I178}] 'StubPath' = '%WINDIR%\Large\server.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Policies' = '%WINDIR%\Large\server.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Policies' = '%WINDIR%\Large\server.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'HKLM' = '%WINDIR%\Large\server.exe'
Malicious functions:
Creates and executes the following:
- '%WINDIR%\Large\server.exe'
Executes the following:
- '%WINDIR%\explorer.exe'
- '%TEMP%\KiNk-Rat.exe'
- '%TEMP%\server2.exe'
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
Modifies file system:
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\XXXX[1].dll
- %TEMP%\uU-GRY-Xx
- %TEMP%\151531.tmp
- %WINDIR%\Prefetch\Greame RATv1.6Server.pf
- %APPDATA%\SQLite3.dll
- %TEMP%\GRY-XX-X
- %TEMP%\KiNk-Rat.exe
- %TEMP%\server2.exe
- %WINDIR%\Large\server.exe
- %APPDATA%\logs.dat
- %TEMP%\X-GRY-X.txt
Sets the 'hidden' attribute to the following files:
- %APPDATA%\logs.dat
Deletes the following files:
- %TEMP%\uU-GRY-Xx
- %TEMP%\GRY-XX-X
- %TEMP%\X-GRY-X.txt
Network activity:
Connects to:
- 'no####5.ddns.net':1166
- 'www.se##er.com':80
- 'localhost':1037
TCP:
HTTP GET requests:
- http://www.se##er.com/XXXX.dll
UDP:
- DNS ASK no####5.ddns.net
- DNS ASK www.se##er.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
