Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{MT56L251-S3CM-P1XG-2P22-4WQHY4782ASP}] 'StubPath' = ''
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{MT56L251-S3CM-P1XG-2P22-4WQHY4782ASP}] 'StubPath' = '%PROGRAM_FILES%\Large\server.exe Restart'
Malicious functions:
Creates and executes the following:
- %PROGRAM_FILES%\Large\server.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%\UuU.uUu
- %APPDATA%\SQLite3.dll
- %TEMP%\127234.tmp
- %TEMP%\XX--XX--XX.txt
- %PROGRAM_FILES%\Large\server.exe
- %TEMP%\XxX.xXx
- %APPDATA%\logs.dat
Sets the 'hidden' attribute to the following files:
- %APPDATA%\logs.dat
Deletes the following files:
- %TEMP%\UuU.uUu
- %TEMP%\XxX.xXx
- %TEMP%\XX--XX--XX.txt
Network activity:
Connects to:
- 'localhost':999
- 'www.se##er.com':80
- 'localhost':1035
TCP:
HTTP GET requests:
- www.se##er.com/XXXX.dll
UDP:
- DNS ASK www.se##er.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
