Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunOnce] 'Salrern' = '%HOMEPATH%\Cher7\Rast.exe'
Malicious functions
Injects code into
the following system processes:
- %WINDIR%\microsoft.net\framework\v2.0.50727\regasm.exe
Modifies file system
Creates the following files
- %HOMEPATH%\cher7\rast.exe
Network activity
TCP
- 'dr##box.com':443
- 'uc#############b7b39c94c9f39.dl.dropboxusercontent.com':443
UDP
- DNS ASK dr##box.com
- DNS ASK uc#############b7b39c94c9f39.dl.dropboxusercontent.com
Miscellaneous
Creates and executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\regasm.exe' ' (with hidden window)
Executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\regasm.exe'
