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.
Browsing CategoryCrimeware
Purple Fox EK | New CVEs, Steganography, and Virtualization Added to Attack Flow
New research shows that the Purple Fox exploit kit has added new tricks to its attack flow and continues to target vulnerable versions of Internet Explorer.
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.
Agent Tesla | Old RAT Uses New Tricks to Stay on Top
Aside from Dridex, Agent Tesla is the most widely used malware currently targeting businesses. We review its core functionality and latest adaptations.
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.
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.
Inside a TrickBot Cobalt Strike Attack Server
Analysis of a Cobalt Strike Server leveraged in PowerTrick breaches.
Valak Malware and the Connection to Gozi Loader ConfCrew
Valak uses a multi-stage, script-based malware that hijacks email replies and embeds malicious URLs or attachments to infect devices with fileless scripts.