Silent Ransom Group

☆ pin

MITRE G1016Also known as Silentransomgroup, UNC3753, CHATTY SPIDER, Luna Moth, Chatty Spider, Silent Ransom Group, SRG, Storm-0252

Reports

First seen

May 13, 2026

Last seen

Aug 14, 2026

Motivation

Financial

Targeting

Sectors

Professional Services ×12 Financial Services ×1

Victim regions

×11

United States×11

Victim country, only when stated. Corpus is predominantly English-language reporting, so US/EU coverage is overweighted relative to true victim distribution.

Top ATT&CK techniques

T1598 Phishing for Information ×5T1566.002 Phishing: Spearphishing Link ×5T1005 Data from Local System ×5T1566 Phishing ×5T1041 Exfiltration Over C2 Channel ×3T1021 Remote Services ×3T1567.002 Exfiltration Over Web Service: Exfiltration to Cloud Storage ×3T1598.003 Phishing for Information: Spearphishing Link ×3T1021.001 Remote Services: Remote Desktop Protocol ×3T1219 Remote Access Software ×3T1204.001 User Execution: Malicious Link ×2T1589 Gather Victim Identity Information ×2

Indicators

domain ×21filename ×3cve ×1

Indicator values are available on Pro and via the API.

Associated CVEs

CVE-2026-8398 (exploited)

Recent reports

High

Silent Ransom Group

Targeting

Top ATT&CK techniques

Indicators

Associated CVEs

Recent reports

Silentransomgroup publishes Reminger as new victim on ransomware.live

Silentransomgroup publishes Riker Danzig Scherer Hyland & Perretti as ransomware victim

Silentransomgroup claims Riker Danzig LLP victim on ransomware.live

Silentransomgroup publishes new victim on ransomware.live

Silentransomgroup publishes new ransomware victim

Silentransomgroup publishes Mayer Brown as ransomware victim

Silentransomgroup publishes Moses & Singer as victim

Silentransomgroup publishes new victim on ransomware.live

Silentransomgroup claims new victim on ransomware.live

UNC3753 Threat Group Conducts Vishing and Physical Intrusion Campaign Against U.S. Professional Services

Silent Ransom Group targets U.S. law firms with fake IT support calls

Silentransomgroup publishes Fox Rothschild LLP as ransomware victim

ThreatsDay Bulletin: Multiple Threats, Supply Chain Attacks, and Phishing Campaigns

FBI warns US law firms of Silent Ransom Group's in-person data theft tactics

FBI warns extortion hackers targeting US law firms through phishing and in-person visits

FBI warns of in-person data theft attacks from Silent Ransom Group extortion gang

Silentransomgroup claims Barclay Damon law firm in ransomware extortion post

CrowdStrike 2026 Financial Services Threat Landscape Report Overview

Silentransomgroup publishes Porter Wright as ransomware victim

Silentransomgroup claims Marshall Dennehey in ransomware attack