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Date: 05/23/2023
A vulnerability in KeePass password manager has been discovered that allows for the recovery of the master password in clear text. The vulnerability is tracked as CVE-2023-32784 and impacts KeePass versions 2.x for Windows, Linux, and macOS, and is expected to be patched in version 2.54.
Attackers can potentially recover the master password from a memory dump. Note that code execution is not required. However, the vulnerability can be exploited if an attacker has already compromised and has access to the device. Additionally, the password can only be recovered from memory if it is typed and not copied/pasted from the clipboard.
The patch is likely to be released early next month. Upon release, patches should be applied a timely manner. It is also recommended that endpoints be monitored and protected with Endpoint Detection & Response software for efficient response to anomalous behavior.
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The vulnerability tracked as CVE-2017-3506 (CVSS score: 7.4) is exploited by a threat actor group named 8220 Gang. The vulnerability could allow an unauthenticated attacker to execute arbitrary commands remotely. The flaw is discovered and exploited by attackers scanning and identifying vulnerable instances exposed to the Internet.
Potential Impact
Successful exploitation could allow for unauthorized access to sensitive data and compromise the entire system. The 8220 Gang has exploited this vulnerability to deploy crypto-mining software and build botnets.
Ensure updates addressing CVE-2017-3506 have been applied. Additionally, ensure vendor advisories are reviewed for critical vulnerabilities and vulnerability scanning is performed to discover unaddressed vulnerabilities or weak configurations.
Sources
https://www.oracle.com/security-alerts/cpuapr2017.html
https://thehackernews.com/2023/05/8220-gang-exploiting-oracle-weblogic.html
On May 18, 2023, Apple released updates for iOS and macOS, including three, which, according to several sources, are being actively exploited. Exploiting these vulnerabilities may result in Remote Code Execution (RCE) and reading contents from memory.
The exploitation of these bugs can result in kernel-level RCE. This gives attackers complete control over the compromised machine and can provide attackers with a foothold for full network compromise.
Patches are available to fix the vulnerability. A workaround is to block or limit connections to Apply these patches immediately, and monitor all systems for potential exploitation.
Sources
https://www.macworld.com/article/1922377/webkit-security-update-ios-macos.html
Sophos released a report last week describing several fleeceware apps attempting to capitalize on the current popularity of ChatGPT. These apps incorporate “intrusive advertising” and trick users into subscribing for expensive services.
The impact of installing these apps is likely limited to individual users losing money, but the use of these apps may also result in the loss of personal data.
Always exercise caution when installing apps.
Sources
https://news.sophos.com/en-us/2023/05/17/fleecegpt-mobile-apps-target-ai-curious-to-rake-in-cash/
Microsoft researchers have identified the financially motivated cybercriminal group FIN7 engaging in ransomware attacks using Cl0p ransomware. This marks a shift in tactics for FIN7, which previously targeted U.S. firms with ransomware campaigns using BadUSB devices. In recent attacks, the group employed a PowerShell-based in-memory malware dropper called POWERTRASH to deploy the Lizar post-exploitation tool on compromised systems. FIN7 utilizes Impacket and OpenSSH to infiltrate networks and laterally move to deploy Cl0p ransomware.
The group’s return includes other attacks on PaperCut printing servers with Bl00dy, LockBit, and Clop ransomware. Other threat groups have also been observed leveraging FIN7’s tools, indicating their influence on the cybercrime landscape. Despite some arrests within the group, their increased activities suggest they remain active and resilient. Organizations should be aware of FIN7’s recent activities and tactics, employing threat intelligence sharing platforms to stay informed and enhance their protection.
The resurgence of FIN7 and the adoption of Cl0p ransomware pose significant risks to companies. Potential impacts include:
To protect against FIN7 and similar ransomware attacks, organizations should consider the following measures:
Implement robust cybersecurity measures: Maintain up-to-date security controls, including firewalls, intrusion detection/prevention systems, endpoint protection, and strong access controls. Regularly patch and update software and systems to address vulnerabilities.
By implementing these recommendations, organizations can enhance their resilience against FIN7 and mitigate the potential impact of ransomware attacks.
Sources
https://cyware.com/news/fin7-returns-with-cl0p-ransomware-attacks-a376ce74
The Russian-speaking Royal ransomware group, which emerged from the Conti group, is developing its own malware loader inspired by other malware samples. The loader aims to deploy the Cobalt Strike beacon and connect to a Royal command-and-control (C2) server. The group leverages strategies other groups use, such as exploiting the CVE-2022-41073 vulnerability for initial access and incorporating functionality from Anubis. Although the analyzed loader is a test version, the group plans to use the final version in spam campaigns, where they have been effective in the past. Organizations are encouraged to report the tactics, techniques, and procedures (TTPs) of this threat to enable preventive measures by other organizations.
Developing a new malware loader by the Royal ransomware group can have severe consequences for companies. If successfully deployed, the loader can infect endpoint devices and download additional malware, potentially leading to ransomware attacks, data breaches, and financial loss. The group’s utilization of effective spam campaigns increases the likelihood of successful attacks and widespread damage to targeted organizations.
To mitigate the risk posed by the Royal ransomware group and their evolving loader, companies should take the following steps:
By implementing these recommendations, companies can enhance their security posture and minimize the risk of falling victim to the Royal ransomware group’s evolving malware loader.
Sources
https://cyware.com/news/royal-gang-builds-its-own-malware-loader-383629ab
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