Status

Active

Distinct actor

MODERATE 72%

Named actor

INSUFFICIENT

First observed

23 Apr 2026

Last updated

23 Apr 2026

Motivation

Financial, opportunistic

Note on UTA identifiers: "UTA" stands for Unattributed Threat Actor. UTA-2026-005 is a tracking label The Hunters Ledger assigns to an actor I have observed but cannot yet link to a publicly named threat group. Other vendors and feeds will not use this label; it is specific to this publication. If later evidence ties the activity to a named actor, I will retire the label and update the report.

Summary

An operator delivering a Chaos builder variant through a private batch-to-PowerShell crypter whose cross-layer key reuse, a cross-build mutex and a byte-identical UAC bypass stage form the tracking fingerprint. The report separates this operator explicitly from the named Chaos ransomware-as-a-service group, which uses a different codebase.

The confidence levels above are the published report's figures. Every claim on this page is a summary of the linked reports, which remain the record.

Targeting

Targeting is given as region and sector, drawn from the reports. Victim names are deliberately not published here or in the reports.

Reports

Actor identifiers

Artifacts this operator chose or created: handles, channels, operator brands and domains, wallets and the like. Each is printed in a report linked above; the full indicator set, with its caveats, is in each report's IOC feed.

Infrastructure and tooling

Primary host

94.103.1.13 (the operator-controlled host the assigning report is named for; the full indicator set, with its caveats, is in each report's IOC feed)

Tooling

Chaos ransomware builderOrcus RATUACME

MITRE ATT&CK

35 techniques across 13 tactics, read from the mapping tables of the reports about this actor. Each technique links to where it is mapped.

Actor profiles and the reports behind them are © Joseph, The Hunter's Ledger, licensed CC BY 4.0: free to use, including commercially, with attribution. All tracked actors.