The DoNot Team (a.k.a APT-C-35) are advanced persistent threat actors who’ve been active since at least 2016. They’ve targeted many attacks against individuals and organizations in South Asia. DoNot are reported to be the main developers and users of Windows and Android spyware frameworks [1][2][3].…
Tag: VULNERABILITY
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Executive SummaryBeginning in early May 2022, Unit 42 observed a threat actor deploying Cuba Ransomware using novel tools and techniques. Using our naming schema, Unit 42 tracks the threat actor as Tropical Scorpius.
Here, we start with an overview of the ransomware and focus on an evolution of behavior observed leading up to deployment of Cuba Ransomware.…
Vulnerability management and remediation are some of the most difficult problems to tackle within an organization. Multiple solutions, watchlists, and warnings are designed to ensure that companies and end users patch their software against known security vulnerabilities.
Unfortunately, even with tools available and teams forewarned with up-to-date information, this often does not happen in a timely manner or even at all.…
Resecurity, Inc. (USA), a Los Angeles-based cybersecurity company providing managed threat detection and response for Fortune 500’s, identified threat actors leveraging Open Redirect Vulnerabilities popular in online services and apps to bypass spam filters to ultimately deliver phishing content.
Using highly trusted service domains like Snapchat and other online-services, they create special URLs which lead to malicious resources with phishing kits.…
In this intrusion from April 2022, the threat actors used BumbleBee as the initial access vector.
BumbleBee is a malware loader that was first reported by Google Threat Analysis Group in March 2022. Google TAG attributes this malware to an initial access broker (IAB) dubbed EXOTIC LILY, working with the cybercrime group FIN12/WIZARD SPIDER/DEV-0193.…
In July 2022, the CrowdStrike Intelligence Advanced Research Team hosted the second edition of our Adversary Quest. As in the previous year, this “capture the flag” event featured 12 information security challenges in three different tracks: eCrime, Hacktivism and Targeted Intrusion. In each track, four consecutive challenges awaited the players, requiring different skills including reverse engineering, vulnerability analysis and exploitation, and cryptanalysis.…
This blog post was authored by Ankur Saini and Hossein Jazi
The Malwarebytes Threat Intelligence team has identified a new Remote Access Trojan we are calling Woody Rat that has been in the wild for at least one year.
This advanced custom Rat is mainly the work of a threat actor that targets Russian entities by using lures in archive file format and more recently Office documents leveraging the Follina vulnerability.…
LockBit has been receiving a fair share of attention recently. Last week, SentinelLabs reported on LockBit 3.0 (aka LockBit Black), describing how the latest iteration of this increasingly prevalent RaaS implemented a series of anti-analysis and anti-debugging routines. Our research was quickly followed up by others reporting similar findings.…
An analysis of three in-the-wild payloads delivered using the recently discovered Follina exploit shows how attackers can use it to achieve persistent access in victim environments and turbo-charge efforts to ‘live off the land’ and avoid detection by security monitoring tools.
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Introduction
Read More Rootkits are malware implants which burrow themselves in the deepest corners of the operating system. Although on paper they may seem attractive to attackers, creating them poses significant technical challenges and the slightest programming error has the potential to completely crash the victim machine. In our APT predictions for 2022, we noted that despite these risks, we expected more attackers to reach the sophistication level required to develop such tools.…
We recently discovered a zero-day vulnerability in Google Chrome (CVE-2022-2294) when it was exploited in the wild in an attempt to attack Avast users in the Middle East. Specifically, a large portion of the attacks took place in Lebanon, where journalists were among the targeted parties.…
Executive summary
Read More Since the Russian invasion of Ukraine began, Ukrainians have been under a nearly constant barrage of cyber attacks. Working jointly with Ukrainian organizations, Cisco Talos has discovered a fairly uncommon piece of malware targeting Ukraine — this time aimed at a large software development company whose software is used in various state organizations within Ukraine.…
The ASEC analysis team has been monitoring attacks that are targeting vulnerable systems. This post will discuss cases of attacks targeting vulnerable Atlassian Confluence Servers that are not patched.
Atlassian’s Confluence is a major collaboration platform used by many companies across the globe. Being a web-based platform, services such as managing projects and collaboration are mainly provided by Confluence Servers (or Confluence Data Centers).…
In April 2022, ESET researchers discovered a previously unknown macOS backdoor that spies on users of the compromised Mac and exclusively uses public cloud storage services to communicate back and forth with its operators. Following analysis, we named it CloudMensis. Its capabilities clearly show that the intent of its operators is to gather information from the victims’ Macs by exfiltrating documents, keystrokes, and screen captures.…
Published On : 2022-07-13
NukeSped RAT ReportSuspected Malware: NukeSped MalwareFunction: RATRisk Score: 8Confidence Level: HighThreat actor Associations: Lazarus Group (North Korea)
Executive Summary:The NukeSped malware is a remote access trojan (RAT) and has been attributed to the threat actor Lazarus Group. The group has been active since 2009 and remain active in 2022 and continue its operation to target countries mainly in Asia Pacific Region.…
Summary
Actions to take today:
• Install fixed builds, updating all affected VMware Horizon and UAG systems to the latest versions. If updates or workarounds were not promptly applied following VMware’s release of updates for Log4Shell in December 2021, treat all affected VMware systems as compromised.…
Cybercriminals are always looking for innovative techniques to evade security solutions. Based on the Resecurity® HUNTER assessment, attackers are actively leveraging tools allowing them to generate malicious shortcut files (.LNK files) for payload delivery.
Resecurity, Inc. (USA), a Los Angeles-based cybersecurity company protecting Fortune 500’s worldwide, has detected an update to one of them most popular tools used by cybercriminals.…
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Executive SummaryInstalling a web shell on a web server is a common approach malware authors take to launch exploits or run commands remotely. In November 2020, the INJ3CTOR3 operation targeted the Sangoma PBX, a popular VoIP PBX system, by installing a web shell on its web server.…
The Wordfence Threat Intelligence team has been monitoring a sudden increase in attack attempts targeting Kaswara Modern WPBakery Page Builder Addons. This ongoing campaign is attempting to take advantage of an arbitrary file upload vulnerability, tracked as CVE-2021-24284, which has been previously disclosed and has not been patched on the now closed plugin.…
This post is also available in: 日本語 (Japanese)
Executive SummaryUnit 42 continuously hunts for new and unique malware samples that match known advanced persistent threat (APT) patterns and tactics. On May 19, one such sample was uploaded to VirusTotal, where it received a benign verdict from all 56 vendors that evaluated it.…