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Silent Ransom Group / LeakedData Ransomware Group

Ransomware group profile

34Victims
RussiaSource country
80Impact score
Also Known As
Luna Moth
Chatty Spider
LeakedData
UNC3753

Description

Silent Ransom Group, also known as LeakedData, emerged in March 2022 after the Conti ransomware's collapse. This group specializes in data theft and extortion without using traditional ransomware encryption, focusing on pressuring victims to pay ransoms through threats of public data release.

Key insights

  • •Primarily uses social engineering tactics such as callback phishing and vishing to gain initial access.
  • •Impersonates IT support to trick employees into granting remote access to systems.
  • •Utilizes legitimate remote access tools for execution and data exfiltration, employing methods that minimize forensic evidence.
  • •Maintains a dark web site where stolen data can be publicly leaked if ransom demands are not met.
  • •Targets a wide range of sectors, particularly focusing on legal firms and healthcare organizations.

Threat Level & Status Breakdown

For Silent Ransom Group / LeakedData · Based on incidents in selected period

1.9threat level
Aggressiveness5/ 10
Lethality0/ 10
Criticality0.5/ 10

Status Breakdown

Claimed100.0%34
First seenOct 2025
Last seenApr 2026
Avg ransom—
Payment rate—
Statusactive
Sophistication0
Last updatedSep 22, 2026

Recent activity

Monthly attack count for Silent Ransom Group / LeakedData in the selected period

34Total attacks
12peak in Feb
8.5avg / month
↑ 9 vs first month
OctFebMarApr036912

No intelligence data for this group.

TTPs & Attack Vectors

Tools, initial access, and MITRE ATT&CK techniques for Silent Ransom Group / LeakedData

Other

T1490

T1490

T1078

T1078

T1059

T1059

T1486

T1486

T1562

T1562

T1021

T1021

T1046

T1046

T1203

T1203

T1110

T1110

T1080

T1080

T1573

T1573

T1049

T1049

Victims(34)

United StatesProfessional Services
Claimed
5 months ago
United StatesProfessional Services
Claimed
5 months ago
United StatesProfessional Services
Claimed
5 months ago
United StatesProfessional Services
Claimed
5 months ago
United StatesProfessional Services
Claimed
5 months ago
United StatesProfessional Services
Claimed
5 months ago
United StatesProfessional Services
Claimed
5 months ago
Claimed
5 months ago
Claimed
5 months ago
Claimed
5 months ago
Claimed
5 months ago
Claimed
6 months ago
United StatesFinancial Services
Claimed
6 months ago
United StatesFinancial Services
Claimed
6 months ago
United StatesHealthcare
Claimed
6 months ago
United StatesFinancial Services
Claimed
6 months ago
Professional Services
Claimed
6 months ago
United StatesProfessional Services
Claimed
6 months ago
United StatesProfessional Services
Claimed
6 months ago
Claimed
6 months ago

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