Friday, March 29, 2024

Hackers Launching Fallout Exploit Kit with New Flash Exploits That Delivers GandCrab Ransomware

One of the dangerous Fallout exploit kit now back to form with various new futures and delivering one of the widely distributed Ransomware GandCrab.

Attackers using malvertising chain to ditributing the Fallout exploit kit since Jan 2015 via adult websites.

Unlike past infection that discovered back to 2018, current distribution contain new futures including HTTPS support, New landing page format, Powershell to run payload.

Also current Fallout EK contains updated exploit such as New Flash exploit (CVE-2018-15982) and Fallout EK considering as a second Exploit kit that adds the new Flash exploit after Underminer EK.

It was a Zero-day Flash vulnerability that has been already patched by Adobe in last December security update but still Fallout EK able to exploit the vulnerability to the victims who have not been updated their system since then the patch released.

Fallout Exploit kit Analysis

During the analysis phase, researchers uncovered that Fallout was delivering its payload via Powershell rather than using iexplore.exe.

In order to evade the detection, this exploit calls out the payload URL via Base64 encoded Powershell command.

This technique helps attacker to evade the bypass the Antimalware Scan Interface (AMSI) in Windows 10.

According to Malwarebytes, What this new development tells us is that exploit kit developers are still monitoring the scene for new exploits and techniques. In 2018, several zero-days for Internet Explorer and Flash Player were found and turned into easily adaptable proof of concepts.

Once the exploit CVE-2018-15982 allows attackers to execute arbitrary commands on vulnerable machines that enabled Flash Player version up to 31.0.0.153.

Current version of the Fallout EK Main motivation to drops the GandCrab ransomware and the campaign started since January 15.

You can follow us on Linkedin, Twitter, Facebook for daily Cybersecurity updates also you can take the Best Cybersecurity courses online to keep your self-updated.


Website

Latest articles

Beware Of Weaponized Air Force invitation PDF Targeting Indian Defense And Energy Sectors

EclecticIQ cybersecurity researchers have uncovered a cyberespionage operation dubbed "Operation FlightNight" targeting Indian government...

WarzoneRAT Returns Post FBI Seizure: Utilizing LNK & HTA File

The notorious WarzoneRAT malware has made a comeback, despite the FBI's recent efforts to...

Google Revealed Kernel Address Sanitizer To Harden Android Firmware And Beyond

Android devices are popular among hackers due to the platform’s extensive acceptance and open-source...

Compromised SaaS Supply Chain Apps: 97% of Organizations at Risk of Cyber Attacks

Businesses increasingly rely on Software as a Service (SaaS) applications to drive efficiency, innovation,...

IT and security Leaders Feel Ill-Equipped to Handle Emerging Threats: New Survey

A comprehensive survey conducted by Keeper Security, in partnership with TrendCandy Research, has shed...

How to Analyse .NET Malware? – Reverse Engineering Snake Keylogger

Utilizing sandbox analysis for behavioral, network, and process examination provides a foundation for reverse...

GoPlus’s Latest Report Highlights How Blockchain Communities Are Leveraging Critical API Security Data To Mitigate Web3 Threats

GoPlus Labs, the leading Web3 security infrastructure provider, has unveiled a groundbreaking report highlighting...
Balaji
Balaji
BALAJI is an Ex-Security Researcher (Threat Research Labs) at Comodo Cybersecurity. Editor-in-Chief & Co-Founder - Cyber Security News & GBHackers On Security.

Mitigating Vulnerability Types & 0-day Threats

Mitigating Vulnerability & 0-day Threats

Alert Fatigue that helps no one as security teams need to triage 100s of vulnerabilities.

  • The problem of vulnerability fatigue today
  • Difference between CVSS-specific vulnerability vs risk-based vulnerability
  • Evaluating vulnerabilities based on the business impact/risk
  • Automation to reduce alert fatigue and enhance security posture significantly

Related Articles