This report from ASEC, the security emergency response center of AhnLab, provides an overview of the security trends and issues in the third quarter of 2017. The report highlights the re-emergence of the Emotet malware, which was first discovered in 2014 and is known for stealing financial information from users. The report analyzes the behavior of the malware and its methods of operation, which involve downloading and executing modules from a C&C server through spam emails with encrypted attachments. The report also describes the main malicious activities of the malware, including service registration, obtaining user information, and communicating with the C&C server to perform additional malicious actions. The report concludes by emphasizing the importance of staying vigilant against such threats and using security measures to protect against them.
