Ransomware needs a way in. Stolen credentials are the cheapest one.
kairos Ransomware Group
Ransomware group profile
Description
Kairos is a financially motivated cyber extortion group that emerged in November 2024, primarily focusing on data theft and extortion rather than traditional ransomware tactics. Their strategy leverages the threat of data exposure to pressure victims into compliance while employing psychological manipulation tactics to maximize ransom payments.
Key insights
- •Kairos employs initial access brokers and exploits vulnerable remote services to gain access to victim networks.
- •The group exfiltrates sensitive data and threatens public disclosure to extract ransom payments from victims.
- •RClone, a legitimate file transfer utility, is a key tool utilized for data staging and exfiltration.
- •Kairos meticulously clears Windows Event Logs to evade detection during their operations.
- •They tailor ransom demands based on the financial capacity of the target and offer discounts for immediate payment.
Threat Level & Status Breakdown
For kairos · Based on incidents in selected period
Recent activity
Monthly attack count for kairos in the selected period
Intelligence
IOCs, YARA/Sigma rules, and related families for kairos
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- 70e14e23a242a58904a23287fe782aec63cf70e16cabc695218657f154cbd9f2
TTPs & Attack Vectors
Tools, initial access, and MITRE ATT&CK techniques for kairos
T1486
T1486
T1490
T1490
T1070.001
T1070.001
T1562.001
T1562.001
T1078
T1078
T1047
T1047
T1021.001
T1021.001
T1059
T1059
T1583
T1583
T1550
T1550
T1040
T1040
T1027
T1027
Victims(46)
| Company | Country | Status | Discovered | |
|---|---|---|---|---|
| Slate Valley Unified School District | United States | Claimed | 5 days ago | |
| Le Centre National de l'Expertise Hospitalière (CNEH) | France | Claimed | 6 days ago | |
| Unique Repair Services | United States | Claimed | 7 days ago | |
| Krapf Group | United States | Claimed | 15 days ago | |
| Leisure Coast Kitchens | Australia | Claimed | 20 days ago | |
| Ville de Libercourt | France | Claimed | about 1 month ago | |
| Ayuntamiento de Velilla de San Antonio | Spain | Claimed | about 2 months ago | |
| Hightech Signs, Inc. | United States | Claimed | about 2 months ago | |
| Warwick | New Zealand | Claimed | 2 months ago | |
| Thermalex | United States | Claimed | 2 months ago | |
| LR Reed | Australia | Claimed | 3 months ago | |
| College O'Sullivan de Québec | — | Claimed | 3 months ago | |
| Collège O'Sullivan | Canada | Claimed | 3 months ago | |
| Commune De Camiers | France | Claimed | 4 months ago | |
| McCarthy Inc | United States | Claimed | 5 months ago | |
| Arwini | Germany | Claimed | 5 months ago | |
| Ayuntamiento de Valdemoro | Spain | Claimed | 5 months ago | |
| Houk Air Conditioning | United States | Claimed | 5 months ago | |
| Gregory Jewellers Pty Ltd | Australia | Claimed | 6 months ago | |
| Nordenta | Denmark | Claimed | 6 months ago |
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Affected countries(25)
Countries where this group has been reported to target or leak victims.