Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '~backup~' = '%HOMEPATH%\My Documents\Application Data\explorer.exe'
Malicious functions:
Executes the following:
- '%WINDIR%\explorer.exe'
Injects code into
the following system processes:
- <SYSTEM32>\cscript.exe
a large number of user processes.
Modifies file system :
Creates the following files:
- %HOMEPATH%\Cookies\cf
- %HOMEPATH%\My Documents\Application Data\explorer.dat
- %HOMEPATH%\My Documents\Application Data\explorer.exe
Deletes itself.
Network activity:
UDP:
- DNS ASK qk###zra.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
