Disclosure context

About Cuba

The Cuba ransomware group is a financially-motivated cybercriminal organization that emerged in February 2021 and has since conducted attacks against at least 105 known victims globally. The group operates as an independent ransomware operation with suspected ties to Russian-speaking cybercriminals, though their exact country of origin remains unconfirmed by law enforcement agencies. Cuba ransomware operators primarily gain initial access through compromised Remote Desktop Protocol (RDP) credentials, exploitation of Microsoft Exchange vulnerabilities, and phishing campaigns, subsequently deploying their custom Cuba ransomware payload which encrypts victim files while exfiltrating sensitive data before encryption as part of their double extortion strategy. The group has particularly targeted organizations in the United States, United Kingdom, France, Australia, and Belgium, with a notable focus on critical infrastructure sectors including healthcare, financial services, manufacturing, and energy companies. According to FBI reporting, the Cuba ransomware group has demanded ransom payments ranging from hundreds of thousands to millions of dollars from their victims. As of recent threat intelligence assessments, the Cuba ransomware group remains active and continues to pose a significant threat to organizations across multiple sectors and geographic regions. The group has been linked to 105 public disclosures across our corpus. First observed on a leak site on February 3, 2021; most recent post February 1, 2024. The operation is currently inactive.

Also tracked as: COLDDRAW, Fidel.

Timeline of this disclosure

May 4, 2023Gihealthcare listed by Cubaon the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Healthcare sector, which has 1,779 disclosures indexed across all operators we track. Geographically, Gihealthcare is reported in United States, a country with 7,392 ransomware disclosures in our corpus.

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.

Ransomware victim disclosure

← All victims

Gastrointestinal Associates

listed as Gihealthcare · Claimed by Cuba · listed 3 years ago

37m

Age

since listed · data leaked

Status timeline

Listed
May 4, 2023
Data leaked

At a glance

Group: Cuba
Status: Data leaked
Country: United States
Sector: Healthcare
Listed on leak site: May 4, 2023

About the victim

AI dossier — public-source company profile

Gastrointestinal Associates (GIA) is a specialty medical practice based in Knoxville, Tennessee, operating since 1971. It provides comprehensive gastroenterology services including colonoscopy, endoscopy, liver and pancreatic disorder treatment, and weight loss programs across three locations in Knox County. GIA also operates associated endoscopy centers and conducts clinical trials.

Industry: Gastroenterology & Digestive Health Medical Practice
Address: 1311 Dowell Springs Boulevard, Knoxville, TN 37909
Employees: 51-200
Founded: 1971

Attack summary

Severity: critical — The victim is a healthcare provider holding protected health information (PHI) and PII for a large patient population; the Cuba group has published the data, confirming exfiltration of regulated medical records subject to HIPAA.

The Cuba ransomware group claims a disclosed attack against Gastrointestinal Associates, with data published, indicating exfiltration of patient and/or business data from the healthcare provider. No specific ransom amount or data volume was stated, but the disclosed status confirms data has been published.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Patient health records
Personal identifiable information (PII)
Medical history and diagnoses
Financial/billing records
Provider and staff information
Clinical trial data

What the group claims

Your health is our top priority. We specialize in digestive system care and will guide you through every step – whether it’s a routine colon screening, major liver or pancreas issue, or a weight loss journey. With three...

Sources

Victim sitegihealthcare.com
Leak posthttp://cuba4ikm4jakjgmkezytyawtdgr2xymvy6nvzgw5cglswg3si76icnqd.onion/company/Gihealthcare

Source

Indexed 3 years 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.