Grigory S.

const fs = require('fs');
const { resolve } = require('path');
const { promisify } = require('util');
const writeFile = promisify(fs.writeFile);
const got = require('got');

async function getImage(url)
{
  try
  {
    const { body, statusCode, statusMessage } = await got(url, { encoding: null });
    
    if (statusCode === 200)
    {
      await writeFile(resolve('.', 'newCaptchaAnchor.gif'), body);
    }
    else
    {
      throw new Error(statusMessage);
    }
  }
  catch(err)
  {
      throw new Error(err);
  }
}

getImage('https://developers.google.com/recaptcha/images/newCaptchaAnchor.gif')
  .then(() => console.log('Complete....'));