Was Huron Regional Medical Center (HRMC) hit by ransomware?

Huron Regional Medical Center (HRMC) was listed by the beast ransomware operation (United States) as a victim being extorted; data had not been published at the time of listing. Darkfield tracks this disclosure with the original leak post, screenshot and group context.

Who is the beast ransomware group?

beast is a ransomware operator tracked by Darkfield. See the full operator dossier for its known victims, sectors targeted, IOCs and leak-site infrastructure.

Ransomware victim disclosure

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Huron Regional Medical Center (HRMC)

Claimed by Beast · listed 3 months ago

Age

since listed · listed for ransom

Status timeline

ListedJun 3, 2026

Current state: Listed for ransom

At a glance

Group: Beast
Status: Listed for ransom
Country: United States
Sector: Healthcare
Listed on leak site: Jun 3, 2026

About the victim

AI dossier — public-source company profile

Huron Regional Medical Center (HRMC) is a private, not-for-profit hospital located in Huron, South Dakota. Established in 1978 when ownership transferred from the Franciscan Sisters to a locally-owned private corporation, it operates as a community hospital governed by a volunteer board representing medical staff, local government, and the community.

Industry: Healthcare — Hospital
Address: Huron, South Dakota, US
Founded: 1978

Attack summary

Severity: low — Post contains only listing and background information about the organization with no stated proof of breach, no data exfiltration claims, no encryption confirmation, and no operational impact disclosure.

The ransomware group 'beast' has listed HRMC as a victim. However, the leak post contains only historical and governance information about the hospital with no specific claims regarding encryption, data exfiltration, or the nature of the attack.

low

What the group claims

HRMC is a private, not-for-profit community hospital organization located in Huron, South Dakota. The hospital was transferred from the Franciscan Sisters to a locally-owned private corporation (Huron Regional Medical Center, Inc.) in 1978 and is governed by a volunteer board of directors reflecting the local community.

The leak post

captured from the group's site

HRMC is a private, not-for-profit organization. When the ownership of Huron's hospital passed from the Fransciscan Sisters to a locally-owned, private corporation (Huron Regional Medical Center, Inc.) in 1978, those involved in the purchase wanted to ensure Huron's community hospital would be governed by a board of directors reflecting a broad-base of the community. The volunteer board consists of three members recommended by the medical staff, one recommended by the City of Huron and one recommended by the Beadle County Commission. The other board members are elected at-large. Each board member is elected for a three-year term and can serve up to three consecutive terms. The property, funds, affairs and business of HRMC are managed by the board of directors, which is vested with the powers and authority conferred by the laws of South Dakota.

Screenshot of the leak post

Leak screenshot for Huron Regional Medical Center (HRMC)

Sources

Leak posthttp://beast6azu4f7fxjakiayhnssybibsgjnmy77a6duufqw5afjzfjhzuqd.onion/card/huron_regional_medical_center

Source

Indexed 3 months ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.

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Disclosure context

About beast

The Beast ransomware group is a relatively new threat actor that emerged in July 2025, operating with apparent financial motivations through their ransomware campaigns. With limited public documentation available from major security agencies, the group has demonstrated activity primarily targeting victims across the United States, United Kingdom, Brazil, South Korea, and Argentina, accumulating approximately 65 known victims since their emergence. Their targeting pattern shows a focus on healthcare organizations, manufacturing companies, educational institutions, and construction firms, suggesting an opportunistic approach rather than highly specialized sector expertise. The group's recent emergence means there is insufficient public intelligence from CISA, FBI, Mandiant, or other established security researchers regarding their specific attack methodologies, initial access vectors, or technical capabilities. Given the timeline of their first observation in mid-2025, Beast represents an active and emerging threat with their current operational status remaining unclear due to limited threat intelligence reporting from authoritative sources. The group has been linked to 105 public disclosures across our corpus. First observed on a leak site on July 29, 2025; most recent post August 24, 2026. The operation is currently active.

Timeline of this disclosure

June 3, 2026Huron Regional Medical Center (HRMC) listed by beaston the group's public leak site

Other recent disclosures by beast

beast has been linked to 105 public victims on Darkfield. A sample of the most recent:

See the full beast dossier →

Sector and geography

This disclosure adds to ransomware activity in the Healthcare sector, which has 2,608 disclosures indexed across all operators we track. Geographically, Huron Regional Medical Center (HRMC) is reported in United States, a country with 3,164 ransomware disclosures in our corpus.

If your organisation is affected

A listing by beast means Huron Regional Medical Center (HRMC) appeared on a ransomware extortion site and is being pressured to pay before any publication. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
Report the incident to your national CERT, CISA (United States), as required for your jurisdiction.
Monitor for the data appearing on beast's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.