Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'b6d8c967bd874bb61451d90c102e6cb0' = '"%TEMP%\der.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'b6d8c967bd874bb61451d90c102e6cb0' = '"%TEMP%\der.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\b6d8c967bd874bb61451d90c102e6cb0.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\der.exe' = '%TEMP%\der.exe:*:Enabled:der.exe'
Creates and executes the following:
- '%TEMP%\der.exe'
- '%TEMP%\taskmgr.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\der.exe" "der.exe" ENABLE
- '<SYSTEM32>\reg.exe' ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /V winamp.exe /T REG_SZ /D %TEMP%\winamp.exe
- '<SYSTEM32>\cmd.exe' /C REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /V winamp.exe /T REG_SZ /D %TEMP%\winamp.exe
Modifies file system:
Creates the following files:
- %TEMP%\VGzGl
- %TEMP%\der.exe
- %TEMP%\taskmgr.exe
- %TEMP%\winamp.exe
Network activity:
Connects to:
- 'go####nd.ddns.net':443
UDP:
- DNS ASK go####nd.ddns.net
