Disclosure context

About chaos

Based on the limited publicly available information, Chaos is a recently emerged ransomware group that was first observed in March 2025, appearing to be financially motivated given their ransom demands and targeting patterns. The group's origin and specific affiliations remain unclear due to their recent emergence, though their operational model and whether they operate as Ransomware-as-a-Service or as an independent entity has not been definitively established by security researchers. Their attack methodology and specific technical capabilities are not yet well-documented in public threat intelligence reports, though their targeting suggests they employ common initial access vectors to compromise victims across multiple sectors. Chaos has claimed 41 victims primarily concentrated in the United States, Germany, Poland, Malaysia, and Sweden, with a particular focus on technology companies, financial services, business services, and manufacturing sectors, though the scope and impact of their most significant attacks have not been widely publicized. The group currently appears to be active based on recent victim claims, though comprehensive analysis from major security firms regarding their long-term operational capabilities and potential law enforcement actions remains limited due to their recent emergence in the threat landscape. The group has been linked to 53 public disclosures across our corpus. First observed on a leak site on March 31, 2025; most recent post May 17, 2026. The operation is currently active.

Timeline of this disclosure

April 28, 2026cadencepetroleum.com listed by chaoson the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Energy sector, which has 374 disclosures indexed across all operators we track. Geographically, cadencepetroleum.com is reported in US, a country with 2,713 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

Cadence Petroleum Group

listed as cadencepetroleum.com · Claimed by chaos · listed 22 days ago

22d

Age

since listed · data leaked

Status timeline

Listed
Apr 28, 2026
Data leaked

At a glance

Group: chaos
Status: Data leaked
Country: US
Sector: Energy
Listed on leak site: Apr 28, 2026

About the victim

AI dossier — public-source company profile

Cadence Petroleum Group is a US-based petroleum company operating in the energy sector. The company focuses on providing petroleum products and services, standing behind the products it offers alongside its suppliers. Limited public information is available regarding its scale or specific geographic footprint.

Industry: Petroleum Products Distribution & Supply

Attack summary

Severity: high — 400 GB of exfiltrated data from an energy-sector company represents a significant volume of potentially sensitive business and operational information. The energy sector designation and large data volume elevate this beyond medium, though absence of confirmed regulated PII at scale prevents a critical rating.

The Chaos ransomware group claims to have exfiltrated approximately 400 GB of files from Cadence Petroleum Group, threatening to publish the data if no agreement is reached within 48 hours. The post indicates a data exfiltration-based extortion approach, with data publication as the stated consequence of non-payment.

high

Data the group says was taken

AI dossier — extracted from the leak post

Business files (400 GB total)
Potentially supplier records
Potentially internal company documents

What the group claims

Company management has 48 hours to reach an agreement with us. If no agreement is reached, the files—totaling 400 GB—will be published. Our objective is to provide our customers with the best products and services. Cadence Petroleum and our suppliers stand behind the products we offer. Regardle…

Sources

Source

Indexed 22 days 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.