File Indicators Samples Observed from Spear Phishing Messages Above    Filename Chinas_Arctic_Dream.doc   File Size 6587812 bytes   MD5 598eeb6a18233023f3551097aa49b083   SHA1 e9a46966f93fe15c22636a5033c61c725add8fa5   Notes Malicious RTF document that exploits CVE-2017-8570 and drops QuasarRAT file qrat.exe