A new secret stash for “fileless” malware

We observed the technique of putting the shellcode into Windows event logs for the first time “in the wild” during the malicious campaign. It allows the “fileless” last stage Trojan to be hidden from plain sight in the file system. Continue reading A new secret stash for “fileless” malware

Lazarus Trojanized DeFi app for delivering malware

We recently discovered a Trojanized DeFi application that was compiled in November 2021. This application contains a legitimate program called DeFi Wallet that saves and manages a cryptocurrency wallet, but also implants a full-featured backdoor. Continue reading Lazarus Trojanized DeFi app for delivering malware

MoonBounce: the dark side of UEFI firmware

At the end of 2021, we inspected UEFI firmware that was tampered with to embed a malicious code we dub MoonBounce. In this report we describe how the MoonBounce implant works and how it is connected to APT41. Continue reading MoonBounce: the dark side of UEFI firmware

Campaigns abusing corporate trusted infrastructure hunt for corporate credentials on ICS networks

Kaspersky ICS CERT has uncovered a number of spyware campaigns targeting industrial enterprises. Continue reading Campaigns abusing corporate trusted infrastructure hunt for corporate credentials on ICS networks