ThreatsHub.org
We looked into the documented behavior of SeroXen malware and noted the inclusion of the latest iteration of the batch obfuscation engine BatCloak to generate a fully undetectable (FUD) .bat loader. This is the second part of a three-part series documenting the abuse of BatCloak’s evasion capabilities and interoperability with other malware. Read More HERE…
This blog entry discusses the more technical details on the most recent tools, techniques, and procedures (TTPs) leveraged by the Earth Preta APT group, and tackles how we were able to correlate different indicators connected to this threat actor. Read More HERE…
After months of dormancy, Earth Longzhi, a subgroup of advanced persistent threat (APT) group APT41, has reemerged using new techniques in its infection routine. This blog entry forewarns readers of Earth Longzhi’s resilience as a noteworthy threat. Read More HERE…
We present a case study of the cyberespionage efforts by Earth Preta. This study on an active campaign delves into the structure, goals, and requirements of the organizations involved, and provides an opportunity to conduct wider intelligence analysis and insights in the development of effective countermeasures. Read More HERE…
After months of investigation, we found that several undisclosed malware and interesting tools used for exfiltration purposes were being used by Earth Preta. We also observed that the threat actors were actively changing their tools, tactics, and procedures (TTPs) to bypass security solutions. In this blog entry, we will introduce and analyze the other tools and malware used by the threat actor. Read More HERE…
We break down the basic information of CVE-2023-23397, the zero-day, zero-touch vulnerability that was rated 9.8 on the Common Vulnerability Scoring System (CVSS) scale. Read More HERE…
We detail the update that advanced persistent threat (APT) group Iron Tiger made on the custom malware family SysUpdate. In this version, we also found components that enable the malware to compromise Linux systems. Read More HERE…
We discovered a new backdoor which we have attributed to the advanced persistent threat actor known as Earth Kitsune, which we have covered before. Since 2019, Earth Kitsune has been distributing variants of self-developed backdoors to targets, primarily individuals who are interested in North Korea. Read More HERE…
We detail the intrusion set Earth Yako, attributed to the campaign Operation RestyLink or EneLink. This analysis was presented in full at the JSAC 2023 in January 2023. Read More HERE…
We analyze an infection campaign targeting organizations in the Middle East for cyberespionage in December 2022 using a new backdoor malware. The campaign abuses legitimate but compromised email accounts to send stolen data to external mail accounts controlled by the attackers. Read More HERE…