Egregor ransomware is one of the more aggressive and complex RaaS families to date, with password-protected payloads designed to evade analysis.
Posts TaggedRansomware
Ranzy Ransomware | Better Encryption Among New Features of ThunderX Derivative
The Ranzy ransomware operators have learned from their mistakes and adapted quickly after ThunderX decryptors became publicly available.
An Inside Look at How Ryuk Evolved Its Encryption and Evasion Techniques
Ryuk’s success is based partly on leveraging other toolkits and vulns, partly on its encryption speed and evasion tricks. We tear it down for a closer look.
The FONIX RaaS | New Low-Key Threat with Unnecessary Complexities
FONIX RaaS uses four methods of encryption per file and leads victims (and affiliates) on a merry dance through multiple emails to obtain decryption.
Multi-Platform SMAUG RaaS Aims To See Off Competitors
Raas (Ransomware-as-a-Service) continues to fuel the cybercrime economy. SMAUG offers Windows, Linux and macOS support among other unique features.
Case Study: Catching a Human-Operated Maze Ransomware Attack In Action
Maze operators tailor attacks to the victim’s environment to evade detection. We show how they operate, and reveal a decoded HDA payload among other IOCs.
WastedLocker Ransomware: Abusing ADS and NTFS File Attributes
WastedLocker is a relatively new ransomware that has been attacking high-value targets across numerous industries, including several Fortune 500 companies.
Enter the Maze: Demystifying an Affiliate Involved in Maze (SNOW)
SentinelLabs profiles an affiliate involved with Maze ransomware and details the actor’s involvement with other crimeware families, including TrickBot.
Breaking EvilQuest | Reversing A Custom macOS Ransomware File Encryption Routine
A new macOS ransomware threat uses a custom file encryption routine not based on public key encryption. Jason Reaves shows how we broke it.
Thanos Ransomware | RIPlace, Bootlocker and More Added to Feature Set
Thanos Ransomware has developed rapidly over the last 6 months, offering a customized RaaS tool with an expanding feature set to build unique payloads.