Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'UserInit' = '<SYSTEM32>\userinit.exe,C:\DOCUME~1\%USERNAME%\LOCALS~1\Temp\MSDCSC\msdcsc.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'MicroUpdate' = '%TEMP%\MSDCSC\msdcsc.exe'
Malicious functions:
Creates and executes the following:
- '%TEMP%\MSDCSC\msdcsc.exe'
- 'C:\Documents\test.exe'
- '%APPDATA%\test.sfx.exe' -p123456 -d%APPDATA%
Executes the following:
- '<SYSTEM32>\cmd.exe' /c ""%APPDATA%\test.bat" "
Modifies file system :
Creates the following files:
- C:\Documents\test.exe
- %TEMP%\MSDCSC\msdcsc.exe
- %APPDATA%\test.bat
- %APPDATA%\test.sfx.exe
Network activity:
Connects to:
- 're####.no-ip.org':1604
UDP:
- DNS ASK re####.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'EDIT' WindowName: ''
