Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Update' = '"%TEMP%\Server.exe" ..'
- [<HKLM>\Software\Microsoft\Windows\CurrentVersion\Run] 'Update' = '"%TEMP%\Server.exe" ..'
Creates or modifies the following files
- %HOMEPATH%\start menu\programs\startup\update.exe
Malicious functions
To bypass firewall, removes or modifies the following registry keys
- [<HKLM>\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\Server.exe' = '%TEMP%\Server.exe:*:Enabled:Server.exe'
Executes the following
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\Server.exe" "Server.exe" ENABLE
Modifies file system
Creates the following files
- %TEMP%\server.exe
Sets the 'hidden' attribute to the following files
- <Full path to file>
- %TEMP%\server.exe
Network activity
Connects to
- 'fa###ook.com':443
- 'st####.xx.fbcdn.net':443
- 'fb##n.net':443
- 'fb##x.com':443
- 'co#####.facebook.net':443
- 'cx.##dmt.com':443
- 'google.com':443
- 'gs##tic.com':443
- 'fo###.#oogleapis.com':443
- 'bb####7.zapto.org':666
- 'pi###.facebook.com':443
TCP
HTTP GET requests
- http://www.fa###ook.com/
UDP
- DNS ASK fa###ook.com
- DNS ASK st####.xx.fbcdn.net
- DNS ASK fb##n.net
- DNS ASK fb##x.com
- DNS ASK co#####.facebook.net
- DNS ASK cx.##dmt.com
- DNS ASK google.com
- DNS ASK gs##tic.com
- DNS ASK fo###.#oogleapis.com
- DNS ASK bb####7.zapto.org
- DNS ASK pi###.facebook.com
Miscellaneous
Creates and executes the following
- '%TEMP%\server.exe'
- '<SYSTEM32>\notepad.exe' ' (with hidden window)
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\Server.exe" "Server.exe" ENABLE' (with hidden window)
Executes the following
- '<SYSTEM32>\notepad.exe'
- '%ProgramFiles%\mozilla firefox\firefox.exe' -osint -url "http://www.fa###ook.com/"
