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Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.
3 distinct techniques documented for this family, organized by ATT&CK tactic.
Beyond its credential theft, C2, and lateral movement functions, Avalon contained a dedicated ransomware and extortion function known as CrownX. This component handled the file encryption workflow, ransom note delivery, payment instructions, and the local recovery process.
Avalon contained functionality for terminating the Volume Shadow Copy Service, deleting shadow copies through COM, disabling VSS through registry changes, corrupting VSS metadata, removing related scheduled tasks... The recovery targeting logic also extended into Windows Recovery Environment and System Restore.
6 indicators attributed across vendor reports, sandbox runs, and researcher write-ups. Full values are available in Mallory.
IPs, domains, and DNS infrastructure linked to this family.
File hashes (MD5, SHA-1, SHA-256) from samples and reports.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A ransomware component within the Avalon framework that encrypts files, appends recovery metadata, generates ransom notes, and is associated with the .8hn2yc encrypted file extension.
CrownX is the ransomware and extortion component embedded within the broader Avalon framework. It encrypts files using AES-GCM, appends structured metadata for decryption, delivers ransom notes, targets shadow copies and recovery mechanisms, and is used as Avalon’s final extortion stage.
Match every observed IP, domain, and hash against your live telemetry.
Named campaigns wielding this family, with evidence pinned to each claim.
CVEs this family uses for access and lateral movement.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Every documented technique, ranked by evidence weight.
Reddit, Mastodon, and CTI community discussion around this family.