ransomware Archives - Page 2 of 3

2018-06-05

The Evolution of GandCrab Ransomware

[Editor’s Note: This post was updated on July 9th, 2018 with analysis of Gandcrab v4] Like legitimate commercial software, commercial malware also needs a viable business model. For ransomware, the most popular business model is now Ransomware-as-a-Service (RaaS). RaaS focuses on selling ransomware as an easy-to-use service, opening up a

Malware Analysis

2018-03-07

VMRay Malware Analysis Report Recap – February 2018

Welcome to the VMRay Malware Analysis Report Recap. Every month our Research Team provides a recap of the malware analysis reports posted to the VMRay Twitter account. This past February, our team analyzed Black Ruby ransomware, Cobalt Strike Beacon and a Javascript file attempting to detect VMs via the registry.

Malware Analysis

2018-02-07

VMRay Malware Analysis Report Recap – January 2018

Welcome to the VMRay Malware Analysis Report Recap. Every month our Research Team provides a recap of the malware analysis reports posted to the VMRay Twitter account. This past January, our team analyzed a variant of BigEyes/Lime ransomware, GandCrab ransomware and Lotus Blossom malspam. Click the links below to jump

Malware Analysis

2018-01-09

VMRay Malware Analysis Report Recap – December ’17

Welcome to the VMRay Malware Analysis Report Recap. Every month our Research Team provides a recap of the malware analysis reports posted to the VMRay Twitter account. This past December, our team analyzed a variant of Globeimposter ransomware, a Windows Script File (WSF) that downloads a payload to set-up a

Malware Analysis

2017-12-05

VMRay Malware Analysis Report Recap – November ’17

Welcome to the VMRay Malware Analysis Report Recap. Every month our Research Team provides a recap of the malware analysis reports posted to the VMRay Twitter account. This past November, our team analyzed a malicious Javascript file, the Ordinypt wiper, and a variant of the XZZX Cryptomix ransomware. Click the

Malware Analysis

2017-10-18

DDE Ransomware in a Macro-less Word Document

Malware Family: Vortex SHA256 Hash Value: bd61559c7dcae0edef672ea922ea5cf15496d18cc8c1cbebee9533295c2d2ea9 View the Full VMRay Analyzer Report Macros in Microsoft Office have been used extensively by malware authors as a mechanism to download and execute a malicious payload on a system. Defensive measures introduced by Microsoft such as disabling macros by default have not

Malware Analysis

2017-07-14

Petya/NotPetya/ExPetr Cyber Attack is More Wiper Than Ransomware

Malware Family: (Not)Petya Hash Value SHA256: 027cc450ef5f8c5f653329641ec1fed 91f694e0d229928963b30f6b0d7d3a745 View the Full Petya Analysis Report According to Microsoft, the Petya (also referred to as NotPetya/ExPetr) Ransomware attack started its initial infection through a compromise at the Ukrainian company M.E.Doc, a developer of tax accounting software. We took a closer look and

Malware Analysis

2017-05-17

Jaff Ransomware Hiding in a PDF document

The challenge for a malware author today has more to do with creativity than a deep technical understanding. There are plenty of good trojan building tools out there to make the job easier. But once the author has a finished creation, the big challenge is how to get the finished

Malware Analysis

2017-05-15

Wanna Decryptor Worm Spreads Over MS17-010 Vulnerability

About one month ago, the Shadow Brokers hacker group published a set of NSA hacking tools, that included zero-day exploits. One of these exploits is known as the ETERNALBLUE Server Message Block Protocol (SMB) vulnerability (MS17-010). It was only a matter of time before the inevitable happened. A malware author

Malware Analysis

2017-05-09

Anti-Sandboxing Techniques in Cerber Ransomware Can’t Detect VMRay Analyzer

A new variant of Cerber ransomware is in the wild and has built-in anti-sandbox tools to detect hooking-based sandbox environments, as explained in this article by Cyphort. The limitations of a hooking-based approach, where a driver is injected into the target environment and ‘hooks’ API calls, allow the malware to

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Tech Insights Deep Dive of April: Detection Strategies & Operational Excellence

Tech Insights Deep Dive of April:
Detection Strategies & Operational Excellence