Kaspersky Threat Attribution Engine is being made available to a wider audience. The KTAE was developed for internal use by the company’s Global Research and Analysis Team. It was developed in response to a massive ransomware attack affecting several Spanish organizations. The infection relied on a famous exploit, (codenamed EternalBlue), that has been made available on the internet through the Shadowbrokers dump on April 14th, 2017 and was patched by Microsoft on March 14. The WannaCry malware is not very often that we get to see completely new, built from scratch, pandemic-level samples.”]
Source: https://securelist.com/big-threats-using-code-similarity-part-1/97239/