RevengeHotels: a new wave of attacks leveraging LLMs and VenomRAT


RevengeHotels, also known as TA558, is a threat group that has been active since 2015, stealing credit card data from hotel guests and travelers. RevengeHotels’ modus operandi involves sending emails with phishing links which redirect victims to websites mimicking document storage. These sites, in turn, download script files to ultimately infect the targeted machines.

The final payloads consist of various remote access Trojan (RAT) implants, which enable the threat actor to issue commands for controlling compromised systems, stealing sensitive data, and maintaining persistence, among other malicious activities. In previous campaigns, the group was observed using malicious emails with Word, Excel, or PDF documents attached. Some of them exploited the CVE-2017-0199 vulnerability, loading Visual Basic Scripting (VBS), or PowerShell scripts to install customized versions of different RAT families

Read more…
Source: Kaspersky


Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox


Related:

  • Back-to-Back Campaigns: Neko, Mirai, and Bashlite Malware Variants Use Various Exploits to Target Several Routers, Devices

    August 13, 2019

    Within a span of three weeks, our telemetry uncovered three notable malware variants of Neko, Mirai, and Bashlite. On July 22, 2019, we saw and started analyzing a Neko botnet sample, then observed another sample with additional exploits the following week.  A Mirai variant that calls itself “Asher” surfaced on July 30, then a Bashlite ...

  • How Threat Intelligence Helps the Energy Sector Fight Cyberespionage

    August 13, 2019

    When it comes to cyber threats, some industries have it harder than others. Few are as heavily targeted by sophisticated cyberattacks as the energy sector. Over the last decade, state-sponsored hacking groups have routinely targeted utility networks and other energy providers for the purposes of espionage and disruption. And according to the latest research, advanced persistent threat (APT) ...

  • Hunting the Public Cloud for Exposed Hosts and Misconfigurations

    August 12, 2019

    This research explores the security landscape of the Internet-facing services hosted in Amazon AWS, Microsoft Azure and Google Cloud Platform. Public cloud is becoming increasingly popular and the reported total spending on cloud infrastructure grew 45.6% in 2018. Amazon AWS maintained its lead with a 31.3% share of the Cloud Service Provider (CSP) market, followed by Microsoft ...

  • Recent Cloud Atlas activity

    August 12, 2019

    Also known as Inception, Cloud Atlas is an actor that has a long history of cyber-espionage operations targeting industries and governmental entities. We first reported Cloud Atlas in 2014 and we’ve been following its activities ever since. From the beginning of 2019 until July, we have been able to identify different spear-phishing campaigns related to this threat actor ...

  • IT threat evolution Q2 2019: Targeted attacks and malware campaigns

    August 12, 2019

    In March, we published the results of our investigation into a sophisticated supply-chain attack involving the ASUS Live Update Utility, used to deliver BIOS, UEFI and software updates to ASUS laptops and desktops. The attackers added a backdoor to the utility and then distributed it to users through official channels. ASUS was not the only company used ...

  • Three major vulnerabilities found in Cisco SMB switches

    August 7, 2019

    Three of Cisco’s most popular switches for SMBs contain serious security flaws that could allow a hacker to remotely access the device and infiltrate an organisation’s network. The critical vulnerabilities, which affect Cisco’s Small Business 220 Series of smart switches, include a remote code execution (RCE) bug rated 9.8/10 by Cisco in terms of threat severity, an authentication bypass rated 9.1/10 ...