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IOC Radar

Indicators are what attackers leave behind. Stolen credentials are what they arrive with.

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5 IOCs

Malformed Rhadamanthys DoH Query

MalasadaTech
MalasadaTech
Published August 30, 2025Original Report

Malware Families

Excerpt

TL;DR This analysis documents how the Rhadamanthys malware sends a malformed DoH query with the Host field specified twice. It fails in Any Run tasks that have the MITM Proxy enabled. This behavior could be used for detections. Table of Contents TL;DR Tactical Pause Background Analysis Regular DNS fallback DNS over HTTPS (DoH) RFC Additional Any Run sessions What a successful DoH stream looks like Summary Indicators References Tactical Pause THE CONTENT, VIEWS, AND OPINIONS…

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Diamond Model

SOCIAL AXISTECHNOLOGY AXISADVERSARYunknownINFRASTRUCTUREnexus-cloud-360.com2.58.56.54103.245.231.209CAPABILITYLummaRhadamanthysVICTIMunknown
Adversary
Infrastructure(5)
Capability(2)
Victim

Attack Flow4 steps · MITRE ATT&CK mapped

Command and ControlTA0011T1071
1/4
Application Layer Protocol
ActionInitiate DoH connection
Rhadamanthys malware attempts to establish a DNS over HTTPS (DoH) connection to a C2 server.

Indicators of Compromise

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5 indicators

TypeIndicatorConfidenceScoreFirst Seen
Domainnexus-cloud-360.comHighScore 58/100First seen
IP2.58.56.54HighScore 58/100First seen
IP103.245.231.209HighScore 58/100First seen
IP185.141.216.120HighScore 58/100First seen
Domainage-of-wonders-06-2019.comHighScore 58/100First seen

IOC Relationship Graph

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