SilentRansomGroup
Ransomware group profile
58Victims
RussiaSource country
80Impact score
Also Known As
UNC3753
Luna Moth
LeakedData
Chatty Spider
Description
Silent Ransom Group, also known as Luna Moth or Chatty Spider, is a cybercriminal organization that emerged as a splinter from the Conti ransomware syndicate. This group primarily focuses on data exfiltration through social engineering tactics, avoiding traditional ransomware methods. They utilize legitimate software for data theft, making detection challenging for conventional security measures.
Key insights
- •Gains initial access through targeted social engineering, particularly callback phishing and vishing.
- •Employs legitimate remote access tools for data exfiltration instead of traditional malware.
- •Threatens to publish stolen data on dark web leak sites if ransom demands are unmet.
- •Ransom amounts range from $1 million to $8 million, pressuring victims into negotiations.
- •Operates with a 'living off the land' approach to evade detection by traditional security solutions.
- •Targets a variety of sectors, particularly legal services and healthcare.
Threat Level & Status Breakdown
For SilentRansomGroup · Based on incidents in selected period
No victim data for this group in the selected period.
First seenAug 2025
Last seenJun 2026
Avg ransom—
Payment rate—
Statusactive
Sophistication0
Last updatedJun 26, 2026
Recent activity
Monthly attack count for SilentRansomGroup in the selected period
58Total attacks
23peak in Apr
5.8avg / month
Intelligence
IOCs, YARA/Sigma rules, and related families for SilentRansomGroup
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- 4e2f37d4228e78faa1f34121ee934f58e1a9862ad6f183edf4c24e08cda20363
- e209ba8640f80301abd4899427c17f4f869b665975b8001977dbffdf87968c96
- 4a0b8e9a56876c11c667b9ce77b371d2c6d07891
TTPs & Attack Vectors
Tools, initial access, and MITRE ATT&CK techniques for SilentRansomGroup
Other
T1071.001
T1071.001
T1071.002
T1071.002
T1046
T1046
T1021.001
T1021.001
T1566
T1566
T1609
T1609
T1083
T1083
T1562
T1562
T1550
T1550
T1490
T1490
T1486
T1486
T1078
T1078
Affected countries(39)
Countries where this group has been reported to target or leak victims.
🇦🇪United Arab Emirates🇦🇷Argentina🇦🇺Australia🇧🇩Bangladesh🇧🇬BulgariaBolivia, Plurinational State of🇧🇷Brazil🇨🇦Canada🇨🇴Colombia🇨🇷Costa Rica🇩🇪Germany🇩🇴Dominican Republic🇪🇨Ecuador🇪🇬Egypt🇪🇸Spain🇫🇷France🇬🇧United Kingdom🇭🇷Croatia🇮🇪Ireland🇮🇳India🇮🇹Italy🇯🇲Jamaica🇰🇬KyrgyzstanKorea, Republic of🇱🇷LiberiaMacedonia, the Former Yugoslav Republic of🇲🇽Mexico🇳🇱Netherlands🇳🇿New Zealand🇵🇦Panama🇵🇪Peru🇵🇱PolandRussian Federation🇸🇦Saudi Arabia🇸🇪Sweden🇸🇳Senegal🇹🇳Tunisia🇺🇸United States🇺🇿Uzbekistan