Two Microsoft Exchange Zero-Days Being Exploited In-The-Wild

Context On September 29, 2022, security researchers at GTSC reported the technical details of two zero-day vulnerabilities they had observed being exploited by threat actors since August 2022. Microsoft confirmed the vulnerabilities and provided details of both: CVE-2022-41040 is a Server-Side Request Forgery (SSRF) vulnerability that can enable an authenticated attacker to remotely trigger the…

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New Intelligence Trends Report Analyzes Cyber Threats in the Retail, Hospitality, and Travel Sectors

Vienna, VA (September 29, 2022) – The Retail & Hospitality Information Sharing and Analysis Center (RH-ISAC) today released the first-ever public version of the Retail & Hospitality Intelligence Trends Summary, which analyzes trends in the cyberthreat landscape for the retail, hospitality, and travel sectors. The report sheds light on the top threats and malware families reported…

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Campaign Dropping Cobalt Strike Beacons, RedLine Infostealer, and Amadey Botnet

A recent campaign drops Cobalt Strike Beacons, the RedLine Infostealer, and the Amadey Botnet with malicious scripts using two distinct methods. Context On September 28, 2022, Talos security researchers reported a campaign delivering Cobalt Strike beacons, the RedLine Infostealer, and Amadey botnet executables active since at least August 2022. Cobalt Strike is by far the…

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New “NullMixer” Dropper Spreading Multiple Malware Families

A new dropper named “NullMixer” is spreading multiple malware families, including some seen regularly by the RH-ISAC community. Context On September 26, 2022, researchers at SecureList reported a new dropper they named “NullMixer” which spreads multiple malware families via malicious websites impersonating legitimate software downloads. According to SecureList, in addition to multiple malware families, NullMixer…

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LockBit 3.0 Builder Code Leak Technical Analysis

On September 21, 2022, the LockBit 3.0 ransomware builder named “Black” was leaked online by a developer working for the LockBit threat group. On September 22, 2022, security researchers Yang HuiSeong and Jeong Hyunsik released a technical analysis of the code. The leaked code is currently available on GitHub. Threat Actor Details LockBit is a…

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New Shiktenga Malware Targets IoT Devices for Cryptomining and Remote Access

Context On September 6, 2022, researchers at AT&T Alien Labs reported technical details of a new malware, “Shikitega,” that targets endpoints and internet of things (IoT) devices running Linux operating systems. Once delivered, Shikitega allows actors full remote access to the infected system and installs a cryptominer with persistence. Key takeaways from the report include:…

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BianLian Ransomware Expanding C2 Infrastructure and Operational Tempo

The threat actors behind the BianLian Ransomware are rapidly expanding infrastructure, and it has been observed targeting manufacturing organizations. Context On September 1, 2022, researchers at the cybersecurity firm Redacted published a technical analysis of the BianLian ransomware. In the past month, BianLian has been observed being deployed against numerous sectors, including manufacturing, healthcare, and…

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Technical Details for New Charming Kitten Data Extraction Tool

The new HYPERSCRAPE data extraction tool developed by the Iranian Charming Kitten threat group eases the process of stealing email data from targeted accounts. Context On August 23, 2022, Google Threat Analysis Group (TAG) researchers published a technical analysis of a unique data extraction tool they named “HYPERSCRAPE” used by the Iranian state-backed Charming Kitten…

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Flashpoint Mid-Year Data Breach Report Shows Decline in Volume and Scope of Data Breaches

Flashpoint’s 2022 Mid-Year Data Breach report shows an overall 15% decline in reported breaches from the same period last year and suggests that the retail, hospitality, and travel sectors are not among the industries reporting the most breaches by volume. Context On August 18, 2022, Flashpoint released its State of Data Breach Intelligence 2022 Midyear…

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Russia-Linked SEABORGIUM Phishing Campaigns Disrupted

The SEABORGIUM phishing operation targets organizations with a connection to Russian interests leveraging three different open-source phishing kits, the most prevalent of which has been observed in recently reported phishing attacks. Context On August 15, 2022, Microsoft Threat Intelligence Center (MSTIC) researchers disclosed details of a phishing and cyberespionage operation that they disrupted in partnership…

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