Adversary Infrastructure Report 2020: A Defender’s View

Recorded Future tracks the creation and modification of new malicious infrastructure for a multitude of post-exploitation toolkits, custom malware frameworks, and open-source remote access trojans. The effort has been ongoing since 2017, when Insikt Group created methodologies to identify the Read More …

TA551: Email Attack Campaign Switches from Valak to IcedID

TA551 (also known as Shathak) is an email-based malware distribution campaign that often targets English-speaking victims. The campaign discussed in this blog has targeted German, Italian and Japanese speakers. TA551 has historically pushed different families of information-stealing malware like Ursnif Read More …

FBI warns of Egregor ransomware extorting businesses worldwide

The US Federal Bureau of Investigation (FBI) has sent a security alert warning private sector companies that the Egregor ransomware operation is actively targeting and extorting businesses worldwide. The FBI says in a TLP:WHITE Private Industry Notification (PIN) shared on Read More …

Windows PsExec zero-day vulnerability gets a free micropatch

A free micropatch fixing a local privilege escalation (LPE) vulnerability in Microsoft’s Windows PsExec management tool is now available through the 0patch platform. PsExec is a fully interactive telnet-replacement that allows system admins to execute programs on remote systems. PsExec Read More …

North Korean hackers launch RokRat Trojan in campaigns against the South

A North Korean hacking group is utilizing the RokRat Trojan in a fresh wave of campaigns against the South Korean government. The Remote Access Trojan (RAT) has been connected to attacks based on the exploit of a Korean language word Read More …

Expanding Range and Improving Speed: A RansomExx Approach

RansomExx, a ransomware variant responsible for several high-profile attacks in 2020, has shown signs of further development and unhampered activity. The most recently reported development involves the use of newer variants adapted for Linux servers that effectively expanded its range Read More …

CISA Update: Advanced Persistent Threat Compromise of Government Agencies, Critical Infrastructure, and Private Sector Organizations

The Cybersecurity and Infrastructure Security Agency (CISA) is aware of compromises of U.S. government agencies, critical infrastructure entities, and private sector organizations by an advanced persistent threat (APT) actor beginning in at least March 2020. This APT actor has demonstrated Read More …

Disgruntled Former Employee Disrupted Shipments of Needed PPE During Pandemic

When the COVID-19 pandemic reached the United States last spring, a Georgia-based medical equipment packaging company worked to get personal protective equipment (PPE) to medical workers treating sick patients. But a disgruntled former employee thwarted those efforts at a time Read More …