Encore: The curious case of the missing IcedID. [Only Malware in the Building]

Welcome in! You’ve entered, Only Malware in the Building. Join us each month to sip tea and solve mysteries about today’s most interesting threats. Your host is Selena Larson, Proofpoint intelligence analyst and host of their podcast DISCARDED. Inspired by the residents of a building in New York’s exclusive upper west side, Selena is joined by N2K Networks Dave Bittner and Rick Howard to uncover the stories behind notable cyberattacks. Being a security researcher is a bit like being a detective: you gather clues, analyze the evidence, and consult the experts to solve the cyber puzzle. On this episode, we talk about "The curious case of the missing IcedID." IcedID is a malware originally classified as a banking trojan and was first observed in 2017. It also acts as a loader for other malware, including ransomware, and was a favored payload used by multiple cybercriminal threat actors until fall 2023. Then, it all but disappeared. In its place, a new threat crawled: Latrodectus. Named after a spider, this new malware, created by the same people as IcedID, is now poised to take over where IcedID melted off. Today we look back at what happened to the once prominent payload, and what its successor’s spinning web of activity means for the overall landscape.

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