Resources
Providing you the latest industry-specific news and insights.
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Threat Actor Spotlight: BlackSuit Ransomware
First observed by Arete in May 2023, BlackSuit ransomware is an emerging cyber threat targeting organizations across several sectors. This spotlight explores the ransomware behavior observed, incident response data, and technical analysis.
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RansomHub: An Emerging Ransomware-as-a-Service
RansomHub has attacked over 75 victims, believed to be a rebrand of Knight ransomware. Exploiting Windows ZeroLogon, they target high-profile entities like Frontier, Christie's, and Change Healthcare. RansomHub aggressively monetizes its attacks.
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Windows Native Ransomware – Encrypting with Bitlocker
Bitlocker, a Windows app for full-volume encryption, is exploited by threat actors to encrypt files and demand ransom. Despite more advanced options, new actors like "Shrinklocker" still prefer Bitlocker for encryption.
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ALPHV/BlackCat Disruption: Operations Resume
Despite law enforcement’s disruption to ALPHV/BlackCat’s infrastructure in December 2023, the group has since resumed operations.
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Law Enforcement Actions Leave ALPHV/BlackCat Scrambling to Salvage Operations
Through a coordinated law enforcement effort spearheaded by the FBI, ALPHV/BlackCat infrastructure was disrupted on December 7, 2023, in an operation publicly announced on December 19, 2023.
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ALPHV/BlackCat Ransomware Group Claims Responsibility for MGM Resorts Attack
Global hotel and entertainment company MGM Resorts recently experienced a cyberattack that caused computer outages at locations nationwide and interrupted the operation of slot machines, ATMs, hotel room keys, and payment systems.
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Fool Us Once … BlackMatter Initial Access Tactics Point to a Possible REvil Association
Arete observed an overlap between a recent BlackMatter case and a Q1 2021 REvil case.
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The Hidden Costs of Cybercrime
This year, the global cost of cybercrime is expected to hit $6 trillion.[i] Up from $3 trillion in 2015, it’s nothing short of a big, flourishing business whose operators are relentless innovators.
Read moreGood Europol Hunting: How Do You Like Them Apples, Emotet?
On January 27, 2021, Europol announced that it had led a coordinated takedown of the Emotet infrastructure in collaboration with law enforcement authorities in the Netherlands, Germany, the United States, the United Kingdom, France, Lithuania,…
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Egregor: The Ghost of Soviet Bears Past Haunts On
Egregor ransomware, a sophisticated RaaS platform, uses data exfiltration and brazen negotiation tactics to target major sectors like manufacturing and retail and caters to experienced affiliates.
Read moreSodinokibi Labels Keys with “Black Lives Matter”
OVERVIEW Since January 2020, the Arete IR practice has responded to forty-one (41) Sodinokibi engagements. The industry has seen two big changes with Sodinokibi/REvil from their shift to exfiltrating data as of January 2020, and more, recently with…
Read moreUS Government Alerts of Imminent Attacks Against the Healthcare Sector by Trickbot Group
EXECUTIVE SUMMARY Last week, the Cybersecurity and Infrastructure Security Agency (CISA) in collaboration with the Federal Bureau of Investigation (FBI), and the Department of Health and Human Services (HHS) released the following alert: AA20-302A…
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