New “Stealc” Malware Builds on Prevalent Infostealers

On February 20, 2023, researchers with Sekoia.io reported the technical details of a new infostealer malware advertised for sale as “Stealc” by developers on dark web criminal forums. Context According to the report, “The threat actor presents Stealc as a fully featured and ready-to-use stealer, whose development relied on Vidar, Raccoon, Mars and Redline stealers.”…

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Join us for the 2023 Regional Workshop Series

The 2023 RH-ISAC Regional Workshop series kicks off in February and will include in-person professional development opportunities in locations across the U.S. and Europe. This series features interactive discussions and threat landscape briefings, including mitigation or response techniques. In addition, attendees will get intel on observed incidents and emerging threats relevant to the retail and…

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Campaign TypoSquatting PyPI Packages with Malicious Packages Containing Crypto Wallet Replacing Malware

On February 10, 2023, Phylum security researchers reported a resurgence in a previously seen campaign typosquatting legitimate Python PyPI packages with malicious packages to deliver a malware with cryptocurrency wallet clipboard replacing capabilities. Context  In November 2022, Phylum reported a similar campaign “in which threat actors attempted to replace cryptocurrency addresses in developer clipboards with…

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Phishing Campaigns Targeting German and U.S. Organizations with Multiple Malware

On February 8, 2023, Proofpoint researchers reported multiple phishing campaigns targeting organizations in multiple industries in the U.S. and Germany. Context Proofpoint attributes the activity to the likely financially-motivated TA866, which they assess is a new threat group. The campaign is currently active and has been since at least October 2022. Technical Details The emails…

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How to Create a Culture of “Healthy Paranoia”

In an increasingly connected world, no one is immune to cyber security risks. You don’t have to be in the middle of an incident to know that cybercrime and data breaches are widespread across all industries — and capable of bringing even a major corporation to its knees. In fact, according to Flashpoint’s 2022 Year…

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Prilex POS Malware Targeting Contactless Credit Card Transactions

Context Prilex has been active since at least 2014 and evolved from an automated teller machine (ATM) malware into a POS malware in 2016, primarily targeting Brazilian and South American retailers. In 2022, the malware evolved further, conducting fraudulent “GHOST transactions” using EMV cryptograms generated by payment cards during the payment process. In previous cases,…

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Bridging the Digital Privacy Gap

The term “cybersecurity” can oftentimes be ambiguous and difficult to define, no different than that of a single or multi-family office. But much like an Investment Policy Statement, identifying and defining risk down to the individual level is paramount in achieving both near-term and strategic objectives. In this blog post, we seek to shed light…

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New Mimic Ransomware Abuses Everything Paid to Speed Encryption

Context On January 26, 2023, Trend Micro researchers reported the technical details of a new ransomware they dubbed “Mimic” they observed in June of 2022 targeting English and Russian-speaking users. Technical Details According to Trend Micro researchers, the campaign delivers an executable that drops multiple binaries and an archive containing the payload. Reportedly, the key…

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A Roadmap to Zero-Trust Maturity

Despite all the marketing hype related to ZTA, at the end of the day, it may not make sense for all organizations, particularly those in less risky environments to implement or pursue all components. That said, all organizations can learn from the tenets and leverage them to improve their security posture. In the preceding series,…

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Alleged Chinese Threat Actors Developing Fortinet Zero-Day Exploit for New “BOLDMOVE” Malware Campaign Targeting European and African Organizations

Context On January 19, 2023, Mandiant security researchers published the technical details of malware campaign preparations they’ve reportedly observed since October 2022. Two key points should be noted regarding Mandiant’s assessment: Mandiant has not directly observed exploitation of the vulnerability, or deployment of BOLDMOVE in the wild. Mandiant researchers assess with low confidence that the…

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