Threat Actors Targeting Bulgaria.
| Actor | Type | Origin | Motivation | Sophistication | Exploited CVEs | Top malware |
|---|---|---|---|---|---|---|
| APT389 aliases | Nation-state APT | North Korea | Financial | Advanced | 65 | – |
| Lockbit8 aliases | Ransomware | Unattributed | Financial | Advanced | 32 | – |
| Cobalt Group7 aliases | Cybercrime | Russia | Financial | Moderate | 17 | – |
| Silence6 aliases | Cybercrime | Russia | Financial | Moderate | 8 | – |
| Evilnum4 aliases | Cybercrime | Unattributed | Financial | Moderate | – | – |
| Thegentlemen2 aliases | Ransomware | Unattributed | Financial | Advanced | 1 | – |
| Nightspire1 alias | Ransomware | Unattributed | Financial | Intermediate | – | – |
| Krybit1 alias | Ransomware | Unattributed | Financial | Advanced | – | – |
| Funksec1 alias | Ransomware | Unattributed | Financial | Low | – | – |
| Hunters0 aliases | Ransomware | Unattributed | Financial | Advanced | – | – |
| RansomHouse1 alias | Ransomware | Unattributed | Financial | Moderate | – | – |
| Hunters International1 alias | Ransomware | Unattributed | Financial | Intermediate | – | – |
| Anubis3 aliases | Ransomware | Unattributed | Financial | Advanced | – | – |
| Deadlock0 aliases | Ransomware | Unattributed | Financial | Advanced | – | – |
| RevengeHotels1 alias | Cybercrime | Unattributed | Financial | Advanced | – | – |
| Sarcoma1 alias | Ransomware | Unattributed | Financial | Moderate | – | – |
| StormouS-X4 aliases | Ransomware | Unattributed | Financial | Innovator | – | – |
| Coinbasecartel1 alias | Ransomware | Unattributed | Financial | Advanced | – | – |
| Ransomedvc3 aliases | Ransomware | Unattributed | Financial | Advanced | – | – |
| Braincipher0 aliases | Ransomware | Unattributed | Financial | Not rated | – | – |
| UnSafe0 aliases | Ransomware | Unattributed | Financial | Not rated | – | – |
| MedUSlocker1 alias | Ransomware | Unattributed | Financial | Not rated | – | – |
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FAQ
Common Questions.
Each profile includes the actor's origin, type, active date range, target sectors and countries, MITRE ATT&CK TTPs, related CVEs, malware and tools used, recent campaigns, and motivation. Full IOC feeds and YARA rules are available on the Brandefense platform.
Yes. ATLAS Threat Actors DB covers nation-state APT groups such as Lazarus Group, cybercrime syndicates such as Scattered Spider, and ransomware operations. All profiles are maintained by Brandefense analysts.
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