Adversary Emulation

Emulating the Hellish Helldown Ransomware

AttackIQ has released a new attack graph emulating the behaviors exhibited by Helldown ransomware since its emergence in August 2024. Helldown is operated by the eponymous and still largely undocumented adversary, which employs double extortion tactics by exfiltrating sensitive data prior to encrypting victim systems and threatening to leak the data on its Dedicated Leak Site (DLS)

Emulating the Misleading CatB Ransomware

AttackIQ has released a new attack graph designed to emulate the Tactics, Techniques, and Procedures (TTPs) associated with CatB ransomware observed in its most recent activities, enabling defenders to test and validate their detection and response capabilities.

Response to CISA Advisory (AA25-093A): Fast Flux: A National Security Threat

AttackIQ recommends that customers take the following testing actions in alignment with the recently published CISA Advisory (AA25-093A) which highlights the ongoing and evolving threat of fast flux techniques. These techniques are increasingly being adopted by a growing number of adversaries, making it critical for organizations to take proactive steps in mitigating this persistent threat.

Emulating the Deceptive Akira Ransomware

AttackIQ has released a new attack graph emulating the behaviors exhibited by Akira ransomware since its emergence in March 2023. Akira operators provide victims the option to pay for either file decryption or data deletion rather than being forced to pay for both. Reported ransom demands range from 200,000 USD to over 4 million USD.

Emulating the Splintered Hunters International Ransomware

AttackIQ has released a new attack graph emulating the behaviors exhibited by Hunters International ransomware since its discovery in October 2023. Technical analysis suggests a realistic possibility that Hunters International may have been deployed by actors linked to the disrupted Hive operation. However, while it bears significant similarities, Hunters International is not a direct rebrand.

Updated Response to CISA Advisory (AA23-136A): #StopRansomware: BianLian Ransomware Group

AttackIQ has released an updated attack graph in response to the recently revised CISA Advisory (AA23-136A) that disseminates known BianLian ransomware group Indicators of Compromise (IOCs) and Tactics, Techniques, and Procedures (TTPs) identified through the Federal Bureau of Investigation (FBI), the Cybersecurity and Infrastructure Security Agency (CISA) and the Australian Cyber Security Centre (ACSC) investigations.
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