Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'marcaai' = '%WINDIR%\marcaai.exe'
Creates or modifies the following files:
- %ALLUSERSPROFILE%\Start Menu\Programs\Startup\marcaai.exe
Malicious functions:
Creates and executes the following:
- C:\13.exe
- C:\13.exe (downloaded from the Internet)
Modifies file system :
Creates the following files:
- C:\13.exe
- %WINDIR%\marcaai.exe
Network activity:
Connects to:
- 'g1.##obo.com':80
- 'www.1r######orioclaro.com.br':80
- 'mr######hoffmann.125mb.com':80
TCP:
HTTP GET requests:
- g1.##obo.com/
- www.1r######orioclaro.com.br/download/.tmp/setup.exe
- mr######hoffmann.125mb.com/send2.php
HTTP POST requests:
- mr######hoffmann.125mb.com/send2.php
UDP:
- DNS ASK g1.##obo.com
- DNS ASK www.1r######orioclaro.com.br
- DNS ASK mr######hoffmann.125mb.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
