Threat Actors Targeting Bulgaria.
| Actor | Type | Origin | Motivation | Sophistication | Exploited CVEs | Top malware |
|---|---|---|---|---|---|---|
| Kimsuky8 aliases | Nation-state APT | South Korea | Ideology | Advanced | 23 | – |
| APT2828 aliases | Nation-state APT | Russia | Ideology | Strategic | 48 | – |
| Sandworm5 aliases | Unclassified | Russia | Ideology | Advanced | 36 | – |
| APT2928 aliases | Nation-state APT | Russia | Ideology | Strategic | 27 | – |
| APT389 aliases | Nation-state APT | North Korea | Financial | Advanced | 65 | – |
| Mustang Panda11 aliases | Nation-state APT | China | Ideology | Advanced | 13 | – |
| Transparent Tribe16 aliases | Nation-state APT | Pakistan | Espionage | Advanced | 5 | – |
| Lockbit8 aliases | Ransomware | Unattributed | Financial | Advanced | 32 | – |
| FSB Centre 1619 aliases | Nation-state APT | Russia | Ideology | Advanced | 14 | – |
| APT421 alias | Nation-state APT | Iran | Espionage | Advanced | 6 | – |
| Gamaredon9 aliases | Nation-state APT | Russia | Ideology | Advanced | 5 | – |
| SideWinder11 aliases | Nation-state APT | Pakistan | Ideology | Advanced | 6 | – |
| UAC-005615 aliases | Nation-state APT | Russia | Espionage | Advanced | 15 | – |
| Ke3chang8 aliases | Nation-state APT | China | Espionage | Advanced | 2 | – |
| 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 | – | – |
| BackdoorDiplomacy0 aliases | Nation-state APT | China | Espionage | Advanced | 6 | – |
| Krybit1 alias | Ransomware | Unattributed | Financial | Advanced | – | – |
| Funksec1 alias | Ransomware | Unattributed | Financial | Low | – | – |
| Hunters0 aliases | Ransomware | Unattributed | Financial | Advanced | – | – |
| RansomHouse1 alias | Ransomware | Unattributed | Financial | Moderate | – | – |
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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.
IOC feeds, YARA rules, and MITRE ATT&CK navigator exports are available through the full Brandefense platform. Request a demo to get access.