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Phobos Ransomware

malware OpenTrojan Threat Intelligence

RaaS double extortion

Source Attribution

Origin
MITRE
Source
CISA advisory AA24-???
Verified
2026-08-26T16:07:01.550Z
Confidence
high

Source: CISA advisory AA24-??? · Verified: 2026-08-26T16:07:01.550Z · Confidence: high

Security Timeline

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

Quick Answer

Phobos is a RaaS family heavily reliant on RDP compromise and double extortion since 2019. (attributes recorded from CISA advisory AA24-???).

Definition

Phobos is a RaaS family heavily reliant on RDP compromise and double extortion since 2019.

Overview

Phobos is a RaaS family heavily reliant on RDP compromise and double extortion since 2019.

Behavior

  • RDP-focused
  • leak site (8base)

First Seen

2019-02

Target

RaaS double extortion

Malware Intelligence

Family: Phobos Ransomware

Techniques: T1486, T1490

Targets: RaaS double extortion

Behavior:
  • RDP-focused
  • leak site (8base)

Related

References

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  2. Evidence — assertions mapped to verifiable references.
  3. Timeline — events in chronological order.
  4. Related Entities — CVE, threat actor, campaign, malware links.
  5. Sources — NVD, CISA KEV, MITRE ATT&CK, vendor advisories.
  6. Notes — your own observations and working hypotheses.

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