Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'b3e7e423d564520db304b6943af3677e' = '"%TEMP%\sesrver.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'b3e7e423d564520db304b6943af3677e' = '"%TEMP%\sesrver.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\sesrver.exe' = '%TEMP%\sesrver.exe:*:Enabled:sesrver.exe'
Creates and executes the following:
- '%TEMP%\sesrver.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\sesrver.exe" "sesrver.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\sesrver.exe
Network activity:
Connects to:
- 'mi####8.no-ip.biz':5552
UDP:
- DNS ASK mi####8.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
