Ransomware Intelligence

fsociety

Ransomware group profile

8Victims
61Impact score
Also Known As
flocker
FSociety

Description

Flocker is a ransomware group that primarily targets small to medium-sized enterprises, utilizing phishing attacks for initial access and exploiting software vulnerabilities for privilege escalation. Known for its quick encryption processes and double extortion tactics, Flocker threatens to release sensitive data if ransom demands are not fulfilled.

Key insights

  • Employs phishing attacks for initial access and exploits known vulnerabilities for privilege escalation.
  • Utilizes quick multi-threading techniques to expedite file encryption.
  • Engages in double extortion, threatening to leak stolen data if ransom is not paid.
  • Targets various sectors, including healthcare, finance, and education.
  • Exploits zero-day vulnerabilities and unpatched software for attacks.
  • Demands moderate ransom amounts that can escalate if initially ignored.

Threat Level & Status Breakdown

For fsociety · Based on incidents in selected period

2.2threat level
Aggressiveness2/ 10
Lethality0/ 10
Criticality5/ 10

Status Breakdown

Claimed100.0%8
First seenJun 2025
Last seenAug 2025
Avg ransom
Payment rate
Statusactive
Sophistication0
Last updatedJun 7, 2026

Recent activity

Monthly attack count for fsociety in the selected period

8Total attacks
3peak in Jul
2.7avg / month
↑ 1 vs first month
JunJulAug00.751.52.253

No intelligence data for this group.

TTPs & Attack Vectors

Tools, initial access, and MITRE ATT&CK techniques for fsociety

Other

T1486

T1486

T1490

T1490

T1078

T1078

T1562

T1562

T1021

T1021

T1059

T1059

T1040

T1040

T1021.001

T1021.001

T1547

T1547

T1080

T1080

Victims(8)

CompanyDomainCountryIndustryStatusDiscovered
G*****n.comFinancial Services
Claimed
10 months ago
H**u.i*v.twTW TaiwanEducation
Claimed
10 months ago
Ieee-apscon.orgUS United StatesEducation
Claimed
10 months ago
G*********************y.orgEducation
Claimed
11 months ago
Idgcayman.comKY Cayman IslandsProfessional Services
Claimed
11 months ago
S******h.comProfessional Services
Claimed
11 months ago
I*******n.comKY Cayman IslandsRetail & E-Commerce
Claimed
11 months ago
Ajmanre.gov.aeAE United Arab EmiratesGovernment & Defense
Claimed
12 months ago