1 malware family

RagnarLocker

Also known asragnarlocker

RagnarLocker is a ransomware group. In the provided content, it is explicitly associated with abuse of AnyDesk for post-compromise access: the group was observed installing AnyDesk, setting a password for unattended access, and using it as an interactive command-and-control channel. The content places RagnarLocker among ransomware actors that use legitimate remote administration tooling to support unauthorized access, persistence, malware or ransomware deployment, lateral movement, and potential data exfiltration. The content also states that actors from the RagnarLocker group collaborated with Mikhail Matveev (aka Wazawaka). Separately, the content reports that RagnarLocker attacked Israel’s Mayanei Hayeshua hospital approximately one month before the October 2023 Israel-Hamas war. No nation-state attribution is stated in the provided material. Known alias in the content: ragnarlocker.

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MITRE ATT&CK

Tradecraft

3 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.

4 of 15 tactics6 techniques×N= number of intelligence reports citing this technique

MITRE ATT&CK

TA0003

Persistence

1 technique

T1543

Create or Modify System Process

T1543.003

Windows Service

TA0004

Privilege Escalation

1 technique

T1543

Create or Modify System Process

T1543.003

Windows Service

TA0008

Lateral Movement

1 technique

T1021

Remote Services

TA0011

Command and Control

1 technique

T1219

Remote Access Tools

ARSENAL

Associated malware families

1 malware family attributed to this actor across reporting.

FamilyContextEvidenceLast seen

AnyDeskAnyDesk is a popular remote desktop application that allows users to connect to computers and devices remotely... threat actors have been known to utilise AnyDesk's capabilities to control computers, therefore gaining unauthorised access to victims' systems.1Jun 9, 2026

ACTIVITY FEED

Recent activity

5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

5 SOURCESView more in app

sophos threat researchNews

Feb 9, 2026

Malicious use of virtual machine infrastructure | SOPHOS

Ransomware activity associated with the WIN-344VU98D3RU ISPsystem-derived hostname.

ncc group researchNews

Sep 16, 2024

The Dark Side: How Threat Actors Leverage AnyDesk for Malicious Activities

Uses AnyDesk as an interactive command-and-control channel by installing it and configuring unattended access with a password.

ncc group researchNews

Sep 16, 2024

The Dark Side: How Threat Actors Leverage AnyDesk for Malicious Activities | NCC Group

Uses AnyDesk as an interactive command-and-control channel by installing it and configuring unattended access with a password.

natto thoughts blogNews

Feb 22, 2024

Wazawaka & Co., Part 2: Patriotic Hacker - by Natto Team

Referenced as a ransomware group whose actors allegedly collaborated with Mikhail Matveev ("Wazawaka").

+1 more in the timeline

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Target overlap

Match sector + geo + tech-stack targeting against your real footprint.

Tradecraft mapping3

Every observed MITRE ATT&CK technique, grouped by tactic.

Malware arsenal1

Families this actor is known to deploy, with IOCs and behavior.

Exploited CVEs

CVEs this actor has used in known campaigns.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Observables

Domains, IPs, and hashes tied to this actor, refreshed continuously.