All Threat Groups
ID: atomsilo
Atomsilo Syndicate Dossier
First Intercepted
2021-12-21
Latest Disclosure
2026-03-10
Victim Velocity
1.0 / claim
Threat Profile & Operational Narrative
AtomSilo is a new Ransomware recently seen in September 2021 during one of their attacks by exploiting a recently revealed vulnerability (CVE-2021-26084) in Atlassian’s Confluence Collaboration Software for initial access. The Ransomware used the double extortion method which is gaining popularity among ransomware threat actors where they first, exfiltrate the confidential information and as a second step encrypt the system files.
Known Dark Web Infrastructure & Mirrors
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OFFLINE
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OFFLINE
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OFFLINE
npmh5ahrgakbniuntyc7io4adm6ietbdbuejrfonowqtyqn24or556qd.onion
ONLINE
Disclosed Victims & Incident Archive (7)
| Disclosed | Victim Organization | Sector | Country |
|---|---|---|---|
| 2026-03-10 | Cristália - Indústria Farmacêutica | General | -- |
| 2026-02-24 | A large bank in Asia | General | -- |
| 2021-12-21 | Tegravendas | General | -- |
| 2021-12-21 | Tegra Vendas | General | -- |
| 2021-12-21 | Eisai Co., Ltd | General | -- |
| 2021-12-21 | LIGHT CONVERSION | General | -- |
| 2021-12-21 | Cristália - Indústria Farmacêutica | General | -- |