Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'UserInit' = '<SYSTEM32>\userinit.exe,%HOMEPATH%\My Documents\MSDCSC\msdcsc.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'MicroUpdate' = '%HOMEPATH%\My Documents\MSDCSC\msdcsc.exe'
Malicious functions:
Creates and executes the following:
- '%TEMP%\server.exe'
- '%HOMEPATH%\My Documents\MSDCSC\msdcsc.exe'
- '<Current directory>\test.exe' /p 1
- '<Current directory>\Serafeim35.exe'
Executes the following:
- '<SYSTEM32>\cmd.exe' /c ""<Current directory>\1.bat" "
Modifies file system :
Creates the following files:
- %TEMP%\server.exe
- %HOMEPATH%\My Documents\MSDCSC\msdcsc.exe
- <Current directory>\test.exe
- <Current directory>\1.bat
- <Current directory>\Serafeim35.exe
Deletes the following files:
- %TEMP%\server.exe
Network activity:
Connects to:
- 'se####o.no-ip.org':100
UDP:
- DNS ASK se####o.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'SysListView32' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
- ClassName: 'EDIT' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
