This blog discusses how threat actors abuse Discord’s content delivery network (CDN) to host and spread Lumma Stealer, and talks about added capabilities to the information stealing malware. Read More HERE…
Almost a year after Void Rabisu shifted its targeting from opportunistic ransomware attacks with an emphasis on cyberespionage, the threat actor is still developing its main malware, the ROMCOM backdoor. Read More HERE…
We detail an ongoing campaign abusing messaging platforms Skype and Teams to distribute the DarkGate malware to targeted organizations. We also discovered that once DarkGate is installed on the victim’s system, additional payloads were introduced to the environment. Read More HERE…
This entry delves into threat actors’ intricate methods to implant malicious payloads within seemingly legitimate applications and codebases. Read More HERE…
We observed and tracked the advanced persistent threat (APT) APT34 group with a new malware variant accompanying a phishing attack comparatively similar to the SideTwist backdoor malware. Following the campaign, the group abused a fake license registration form of an African government agency to target a victim in Saudi Arabia. Read More HERE…
Crafted packets from cellular devices such as mobile phones can exploit faulty state machines in the 5G core to attack cellular infrastructure. Smart devices that critical industries such as defense, utilities, and the medical sectors use for their daily operations depend on the speed, efficiency, and productivity brought by 5G. This entry describes CVE-2021-45462 as a potential use case to deploy a denial-of-service (DoS) attack to private 5G networks. Read More HERE…
While monitoring Earth Lusca, we discovered an intriguing, encrypted file on the threat actor’s server — a Linux-based malware, which appears to originate from the open-source Windows backdoor Trochilus, which we’ve dubbed SprySOCKS due to its swift behavior and SOCKS implementation. Read More HERE…
In this blog, we investigate how threat actors used information-stealing malware with EV code signing certificates and later delivered ransomware payloads to its victims via the same delivery method. Read More HERE…
We analyze an information stealer written in Node.js, packaged into an executable, exfiltrated stolen data via both Telegram bot API and a C&C server, and employed GraphQL as a channel for C&C communication. Read More HERE…
In this entry, we summarize the security analyses and investigations done on phishing-as-a-service 16shop through the years. We also outline the partnership between Trend Micro and Interpol in taking down the main administrators and servers of this massive phishing campaign. Read More HERE…