Threat Actor Profile
Low Cybercriminal
Confidence Score
100%
Tags
ransomware ransomware.live
First Seen

Unknown

Last Updated

Unknown

Active Status
Active
Created

April 29, 2026

Indicators of Compromise

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IOC KQL for Sentinel
STIX Data
{'added_date': None,
 'client': '2003264@sit.singaporetech.edu.sg',
 'description': '',
 'firstseen': '2021-12-21T20:28:17.454755+00:00',
 'group': 'atomsilo',
 'has_negotiations': False,
 'has_ransomnote': True,
 'lastseen': '2026-02-24T22:49:06.603624+00:00',
 'locations': [{'available': False,
                'fqdn': 'npmh5ahrgakbniuntyc7io4adm6ietbdbuejrfonowqtyqn24or556qd.onion',
                'slug': 'http://npmh5ahrgakbniuntyc7io4adm6ietbdbuejrfonowqtyqn24or556qd.onion/leaks.html',
                'title': 'Leak List - Atomsilo',
                'type': 'DLS'},
               {'available': False,
                'fqdn': 'mhdehvkomeabau7gsetnsrhkfign4jgnx3wajth5yb5h6kvzbd72wlqd.onion',
                'slug': 'http://mhdehvkomeabau7gsetnsrhkfign4jgnx3wajth5yb5h6kvzbd72wlqd.onion',
                'title': 'AtomSilo',
                'type': 'DLS'},
               {'available': False,
                'fqdn': 'l5cjga2ksw6rxumu5l4xxn3cmahhi2irkbwg3amx6ajroyfmfgpfllid.onion',
                'slug': 'http://l5cjga2ksw6rxumu5l4xxn3cmahhi2irkbwg3amx6ajroyfmfgpfllid.onion/list.html',
                'title': 'AtomSilo',
                'type': 'DLS'}],
 'negotiation_count': 0,
 'ransomnotes_count': 1,
 'tiaras_metadata': {'has_negotiations': False,
                     'has_ransomnote': True,
                     'locations': [{'available': False,
                                    'fqdn': 'npmh5ahrgakbniuntyc7io4adm6ietbdbuejrfonowqtyqn24or556qd.onion',
                                    'slug': 'http://npmh5ahrgakbniuntyc7io4adm6ietbdbuejrfonowqtyqn24or556qd.onion/leaks.html',
                                    'title': 'Leak List - Atomsilo',
                                    'type': 'DLS'},
                                   {'available': False,
                                    'fqdn': 'mhdehvkomeabau7gsetnsrhkfign4jgnx3wajth5yb5h6kvzbd72wlqd.onion',
                                    'slug': 'http://mhdehvkomeabau7gsetnsrhkfign4jgnx3wajth5yb5h6kvzbd72wlqd.onion',
                                    'title': 'AtomSilo',
                                    'type': 'DLS'},
                                   {'available': False,
                                    'fqdn': 'l5cjga2ksw6rxumu5l4xxn3cmahhi2irkbwg3amx6ajroyfmfgpfllid.onion',
                                    'slug': 'http://l5cjga2ksw6rxumu5l4xxn3cmahhi2irkbwg3amx6ajroyfmfgpfllid.onion/list.html',
                                    'title': 'AtomSilo',
                                    'type': 'DLS'}],
                     'negotiation_count': 0,
                     'ransomnotes_count': 1,
                     'ransomware_live_group': 'atomsilo',
                     'tools': {},
                     'url': 'https://www.ransomware.live/group/atomsilo',
                     'victims': 5,
                     'vulnerabilities': []},
 'tiaras_source': 'ransomware.live',
 'tools': {},
 'ttps': [],
 'url': 'https://www.ransomware.live/group/atomsilo',
 'victims': 5,
 'vulnerabilities': []}
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