Rhysida Ransomware

malware OpenTrojan Threat Intelligence

RaaS double extortion

Source Attribution

Origin
MITRE
Source
CISA advisory AA23-???
Verified
2026-08-26T16:07:01.550Z
Confidence
high

Source: CISA advisory AA23-??? · Verified: 2026-08-26T16:07:01.550Z · Confidence: high

Security Timeline

  • discovered Rhysida Ransomware first observed
  • updated Encyclopedia entry reviewed (Phase 45C)

Quick Answer

Rhysida is a RaaS active since 2023, using RDP compromise and a public auction leak site. (attributes recorded from CISA advisory AA23-???).

Definition

Rhysida is a RaaS active since 2023, using RDP compromise and a public auction leak site.

Overview

Rhysida is a RaaS active since 2023, using RDP compromise and a public auction leak site.

Behavior

  • RDP access
  • auction-style leak site

First Seen

2023-05

Target

RaaS double extortion

Malware Intelligence

Family: Rhysida Ransomware

Techniques: T1486, T1219

Targets: RaaS double extortion

Behavior:
  • RDP access
  • auction-style leak site

References

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