Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunOnce] 'sidebar' = '%APPDATA%\Sample.lnk'
Creates the following files on removable media:
- <Drive name for removable media>:\Sys.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Creates and executes the following:
- '%APPDATA%\Pin.exe'
Executes the following:
- '<SYSTEM32>\wscript.exe' "%TEMP%\1.vbs"
Modifies file system :
Creates the following files:
- %APPDATA%\Pin.exe
- %APPDATA%\pidloc.txt
- %APPDATA%\Sample.lnk
- %TEMP%\30FC0.dmp
- %TEMP%\dw.log
- %APPDATA%\Microsoft\CryptnetUrlCache\Content\2BF68F4714092295550497DD56F57004
- %APPDATA%\Microsoft\CryptnetUrlCache\MetaData\2BF68F4714092295550497DD56F57004
- %TEMP%\1.vbs
- %APPDATA%\pid.txt
- %APPDATA%\DataWork\<Virus name>.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Sys.exe
- <Drive name for removable media>:\autorun.inf
- %APPDATA%\DataWork\<Virus name>.exe
Deletes the following files:
- %TEMP%\1.vbs
Network activity:
Connects to:
- 'sm##.gmail.com':587
- 'pa###bin.com':80
- 'wp#d':80
- 'www.download.windowsupdate.com':80
TCP:
HTTP GET requests:
- pa###bin.com/raw.php?i=########
- www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootseq.txt
- wp#d/wpad.dat
UDP:
- DNS ASK sm##.gmail.com
- DNS ASK pa###bin.com
- DNS ASK wp#d
- DNS ASK www.download.windowsupdate.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
