Dark Reading is part of the Informa Tech Division of Informa PLC

This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them.Informa PLC's registered office is 5 Howick Place, London SW1P 1WG. Registered in England and Wales. Number 8860726.

Attacks/Breaches

3/10/2020
01:05 PM
50%
50%

Paradise Ransomware Variant Hides in Office IQY Files

The uncommon Internet Query file format lets attacks slip past defenses to effectively break into target networks.

Researchers have detected an attack campaign that leverages Internet Query files (IQY) to bypass enterprise defense systems and deliver a new variant of Paradise ransomware.

Paradise has been active since 2017; now, its operators are finding new ways to deliver the malware. IQY files are simple text files read by Microsoft Excel to download data from the Internet. It's one of the lesser known weaponizable Microsoft Office file formats, Lastline researchers say. Most organizations won't block or filter IQY because it's a legitimate file type. Further, the files may not register as malware because there is no payload; just a URL.

The campaign is designed to trick users into opening an IQY attachment, which retrieves a malicious Excel formula from the attacker's command-and-control server. This formula contains a command to run a PowerShell command, which downloads and deploys the ransomware. Lastline researchers were able to link the executable to the Paradise ransomware family.

Researchers don't know which criminal group is responsible for this campaign; however, it is worth noting the ransomware checks to see if a machine's language ID is Russian, Kazakh, Belarusian, Ukrainian, or Tatar. If one of these values is matched, the ransomware exits.

Read more details here.    

Check out The Edge, Dark Reading's new section for features, threat data, and in-depth perspectives. Today's featured story: "Keys to Hiring Cybersecurity Pros When Certification Can't Help."

Dark Reading's Quick Hits delivers a brief synopsis and summary of the significance of breaking news events. For more information from the original source of the news item, please follow the link provided in this article. View Full Bio
 

Recommended Reading:

Comment  | 
Print  | 
More Insights
Comments
Newest First  |  Oldest First  |  Threaded View
Edge-DRsplash-10-edge-articles
I Smell a RAT! New Cybersecurity Threats for the Crypto Industry
David Trepp, Partner, IT Assurance with accounting and advisory firm BPM LLP,  7/9/2021
News
Attacks on Kaseya Servers Led to Ransomware in Less Than 2 Hours
Robert Lemos, Contributing Writer,  7/7/2021
Commentary
It's in the Game (but It Shouldn't Be)
Tal Memran, Cybersecurity Expert, CYE,  7/9/2021
Register for Dark Reading Newsletters
White Papers
Video
Cartoon
Current Issue
The State of Cybersecurity Incident Response
In this report learn how enterprises are building their incident response teams and processes, how they research potential compromises, how they respond to new breaches, and what tools and processes they use to remediate problems and improve their cyber defenses for the future.
Flash Poll
How Enterprises are Developing Secure Applications
How Enterprises are Developing Secure Applications
Recent breaches of third-party apps are driving many organizations to think harder about the security of their off-the-shelf software as they continue to move left in secure software development practices.
Twitter Feed
Dark Reading - Bug Report
Bug Report
Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2021-25273
PUBLISHED: 2021-07-29
Stored XSS can execute as administrator in quarantined email detail view in Sophos UTM before version 9.706.
CVE-2021-36741
PUBLISHED: 2021-07-29
An improper input validation vulnerability in Trend Micro Apex One, Apex One as a Service, OfficeScan XG, and Worry-Free Business Security 10.0 SP1 allows a remote attached to upload arbitrary files on affected installations. Please note: an attacker must first obtain the ability to logon to the ...
CVE-2021-36742
PUBLISHED: 2021-07-29
A improper input validation vulnerability in Trend Micro Apex One, Apex One as a Service, OfficeScan XG and Worry-Free Business Security 10.0 SP1 allows a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privile...
CVE-2021-23418
PUBLISHED: 2021-07-29
The package glances before 3.2.1 are vulnerable to XML External Entity (XXE) Injection via the use of Fault to parse untrusted XML data, which is known to be vulnerable to XML attacks.
CVE-2020-5329
PUBLISHED: 2021-07-29
Dell EMC Avamar Server contains an open redirect vulnerability. A remote unauthenticated attacker may exploit this vulnerability to redirect application users to arbitrary web URLs by tricking the victim users to click on maliciously crafted links.