Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'tsqabr' = 'rundll32.exe "%APPDATA%\tsqabr.dll",CreateLogFile'
Malicious functions:
Executes the following:
- '<SYSTEM32>\rundll32.exe' "%APPDATA%\tsqabr.dll",HrByteToStream
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\id=BAAyAAEAiAcCAAEFBRcAAAAAAAAAAAAAAAAAAAAlDAYKCwAAAPmHpPrhEU-1rLhwgiZvmW8AAFVVVVVVVVVVVVVVVVVVVVWVc84BBmYT487CAQBWVFFcXlNCWH9nd3RrZ3hqegYBAhORIidhk71gAAA[1]
- %APPDATA%\tsqabr.dll
Deletes itself.
Network activity:
Connects to:
- '11#####.##n37.freeuploadpics.com':80
TCP:
HTTP GET requests:
- 11#####.##n37.freeuploadpics.com/file/id=BAAyAAEAiAcCAAEFBRcAAAAAAAAAAAAAAAAAAAAlDAYKCwAAAPmHpPrhEU-1rLhwgiZvmW8AAFVVVVVVVVVVVVVVVVVVVVWVc84BBmYT487CAQBWVFFcXlNCWH9nd3RrZ3hqegYBAhORIidhk71gAAAAAAA0VgAA&rt=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
UDP:
- DNS ASK 11#####.##n37.freeuploadpics.com
