Binary Ultra Introduction

Hi, can everyone help me?

You are asked to analyzer a file that is suspected to be malware. The actual file is not malware but contains a hidden flag. You need to find that flag.
The answer:
flag{xxxxxxxxxxx}

File here:
https://ctf.laocert.la/download?file_key=eb823df1752223bbe68a31deee3b901a8f8457f6ce4e6fa2dc7e34b921734a3a&team_key=dd89c8b4f94a963a02b496fec932dbb83ecc66561284a4906fd9c8fdc3fcaf46