April 16, 2024 Greg Lesnewich, Crista Giering, and the Proofpoint Threat Research Team Key takeaways TA427 regularly engages in benign conversation starter campaigns to establish contact with targets for long-term exchanges of information on topics of strategic importance to the North Korean regime. In addition to using specially crafted lure content, TA427 heavily leverages think […]
While similar to IcedID, Proofpoint researchers confirmed it is an entirely new malware, likely created by the IcedID developers. Latrodectus shares infrastructure overlap with historic IcedID operations.
Cybersecurity researchers at Proofpoint have uncovered a new tactic employed by cybercriminal threat actor TA577, shedding light on a lesser-seen objective in their operations. The group was found utilizing an attack chain aimed at stealing NT LAN Manager (NTLM) authentication information. This method could potentially be exploited for sensitive data gathering and facilitating further malicious […]
Proofpoint has warned recruiters of a skilled threat actor targeting them with emails designed to deploy malware. TA4557 is a financially motivated threat actor known to distribute the More_Eggs backdoor, which is designed to establish persistence, profile the targeted machine and drop additional payloads. Throughout 2022 and most of 2023 the actor has been replying to […]
December 05, 2023 Greg Lesnewich, Crista Giering and the Proofpoint Threat Research Team Key takeaways Since March 2023, Proofpoint researchers have observed regular TA422 (APT28) phishing activity, in which the threat actor leveraged patched vulnerabilities to send, at times, high-volume campaigns to targets in Europe and North America. TA422 used the vulnerabilities as initial access […]
Key takeaways From July through October 2023, Proofpoint researchers observed TA402 engage in phishing campaigns that delivered a new initial access downloader dubbed IronWind. The downloader was followed by additional stages that consisted of downloaded shellcode. During the same period, TA402 adjusted its delivery methods, moving from using Dropbox links to using XLL and RAR […]