Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '372cb506fef272bb6a0500e59f11737b' = '"%HOMEPATH%\explorer.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '372cb506fef272bb6a0500e59f11737b' = '"%HOMEPATH%\explorer.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\372cb506fef272bb6a0500e59f11737b.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\explorer.exe' = '%HOMEPATH%\explorer.exe:*:Enabled:explorer...
Executes the following:
- '%HOMEPATH%\explorer.exe'
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%HOMEPATH%\explorer.exe" "explorer.exe" ENABLE
- '%APPDATA%\O293RJ23RJ23R.exe'
- '%APPDATA%\Cryptado.exe'
Terminates or attempts to terminate
the following user processes:
- iexplore.exe
Modifies file system:
Creates the following files:
- %HOMEPATH%\explorer.exe
- %APPDATA%\O293RJ23RJ23R.exe
- %APPDATA%\Cryptado.exe
Network activity:
Connects to:
- 'yp###s.ddns.net':5566
- 'ch##t01.tk':80
TCP:
HTTP GET requests:
- http://ch##t01.tk/main/random.txt?La####
- http://ch##t01.tk/main/list.txt?La####
UDP:
- DNS ASK yp###s.ddns.net
- DNS ASK ch##t01.tk
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'EDIT' WindowName: ''
