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Threat actor

NetRunnerPR

Last fetched

NetRunnerPR is a threat actor tracked in WhisperGraph's MITRE ATT&CK corpus, observed using 0 techniques.

Description

NetRunnerPR has claimed to breach the networks of Shiraume Hospital and Nippon Medical School Musashi Kosugi Hospital in Japan, exfiltrating patient PII and medical records. The actor announced plans to release a complete database on March 5, 2026, and an additional 20,000 records on February 16, 2026, contingent on undisclosed conditions. The claims were made on a cybercrime forum, accompanied by sample data to validate the breaches. NetRunnerPR's account shows limited activity history and lacks a documented history of major ransomware operations or confirmed breaches, raising questions about the credibility of the claims.

Techniques by tactic

No ATT&CK techniques are recorded for NetRunnerPR in WhisperGraph.

Attributed infrastructure

None published. WhisperGraph carries no ATTRIBUTED_TO edge to NetRunnerPR today — this states the absence of a published link, not that NetRunnerPR has no infrastructure.

References

© The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.

Related pages

Pivot from NetRunnerPR into its techniques, tactics and any attributed infrastructure.

Queries

Resolves the slug to this actor, merging every duplicate node sharing the same name.


MATCH (a:ACTOR)
WHERE a.name =~ $pattern OR any(x IN a.aliases WHERE x =~ $pattern)
RETURN a.id AS id, a.name AS name, a.aliases AS aliases, a.description AS description,
       a.references AS references, a.campaigns AS campaigns
LIMIT 25
Run yourself →

Techniques this actor uses, grouped by the tactic each one serves.


MATCH (a:ACTOR {name: $name})-[:USES_TECHNIQUE]->(t:ATTACK_PATTERN)
OPTIONAL MATCH (t)-[:USES_TACTIC]->(tac:ATTACK_PATTERN)
RETURN t.id AS techniqueId, t.name AS techniqueName, tac.id AS tacticId, tac.name AS tacticName
LIMIT 1000
Run yourself →

Infrastructure publicly attributed to this actor.


MATCH (n)-[:ATTRIBUTED_TO]->(a:ACTOR {name: $name})
RETURN labels(n)[0] AS kind, n.name AS name
LIMIT 25
Run yourself →

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