Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'wmerob' = 'rundll32.exe "%TEMP%\wmerob.dll",SteamAPI_UnregisterCallback'
Malicious functions:
Executes the following:
- '<SYSTEM32>\rundll32.exe' "%TEMP%\wmerob.dll",SteamClient
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\id=AgAoAAEAQKoCAAEFBhcAAAAAAAAAAAAAAAAAAAAlDAUXCwAAAM7_sOXhEVWlrLhwgiZvmW8AAFVVVVVVVVVVVVVVVVVVVVWec84BEpkEc7qTAgBWVFFcXlNCWH9nd3RrZ3hqegYBAr6RIidhk71gNFY[1]
- %TEMP%\wmerob.dll
Network activity:
Connects to:
- '11#####.##n37.downloadshosting.com':80
TCP:
HTTP GET requests:
- 11#####.##n37.downloadshosting.com/file/id=AgAoAAEAQKoCAAEFBhcAAAAAAAAAAAAAAAAAAAAlDAUXCwAAAM7_sOXhEVWlrLhwgiZvmW8AAFVVVVVVVVVVVVVVVVVVVVWec84BEpkEc7qTAgBWVFFcXlNCWH9nd3RrZ3hqegYBAr6RIidhk71gNFYA&rt=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
UDP:
- DNS ASK 11#####.##n37.downloadshosting.com
