ALPHV/BlackCat Take Extortion Public

Learn more about ALPHV filing a complaint with the Security and Exchange Commission (SEC) against their victim, which appears to be an attempt to influence MeridianLink to pay the ransom sooner than later. Read More HERE…

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DarkGate Opens Organizations for Attack via Skype, Teams

We detail an ongoing campaign abusing messaging platforms Skype and Teams to distribute the DarkGate malware to targeted organizations. We also discovered that once DarkGate is installed on the victim’s system, additional payloads were introduced to the environment. Read More HERE…

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Exposing Infection Techniques Across Supply Chains and Codebases

This entry delves into threat actors’ intricate methods to implant malicious payloads within seemingly legitimate applications and codebases. Read More HERE…

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APT34 Deploys Phishing Attack With New Malware

We observed and tracked the advanced persistent threat (APT) APT34 group with a new malware variant accompanying a phishing attack comparatively similar to the SideTwist backdoor malware. Following the campaign, the group abused a fake license registration form of an African government agency to target a victim in Saudi Arabia. Read More HERE…

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Attacks on 5G Infrastructure From Users’ Devices

Crafted packets from cellular devices such as mobile phones can exploit faulty state machines in the 5G core to attack cellular infrastructure. Smart devices that critical industries such as defense, utilities, and the medical sectors use for their daily operations depend on the speed, efficiency, and productivity brought by 5G. This entry describes CVE-2021-45462 as a potential use case to deploy a denial-of-service (DoS) attack to private 5G networks. Read More HERE…

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Earth Estries Targets Government, Tech for Cyberespionage

We break down a new cyberespionage campaign deployed by a cybercriminal group we named Earth Estries. Analyzing the tactics, techniques, and procedures (TTPs) employed, we observed overlaps with the advanced persistent threat (APT) group FamousSparrow as Earth Estries targets governments and organizations in the technology sector. Read More HERE…

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TargetCompany Ransomware Abuses FUD Obfuscator Packers

In this entry, we detail our analysis of how the TargetCompany ransomware abused an iteration of fully undetectable (FUD) obfuscator engine BatCloak to infect vulnerable systems. Read More HERE…

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