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

Unknown

Last Updated

Unknown

Active Status
Active
Created

April 29, 2026

Indicators of Compromise

Loading IOCs…

IOC KQL for Sentinel
STIX Data
{'added_date': None,
 'client': '2003264@sit.singaporetech.edu.sg',
 'description': None,
 'firstseen': '2024-08-05T00:00:00+00:00',
 'group': 'helldown',
 'has_negotiations': False,
 'has_ransomnote': True,
 'lastseen': '2024-11-06T23:40:11.554119+00:00',
 'locations': [{'available': False,
                'fqdn': 'onyxcym4mjilrsptk5uo2dhesbwntuban55mvww2olk5ygqafhu3i3yd.onion',
                'slug': 'http://onyxcym4mjilrsptk5uo2dhesbwntuban55mvww2olk5ygqafhu3i3yd.onion',
                'title': 'Helldown Leaks',
                'type': 'DLS'},
               {'available': False,
                'fqdn': 'onyxcgfg4pjevvp5h34zvhaj45kbft3dg5r33j5vu3nyp7xic3vrzvad.onion',
                'slug': 'http://onyxcgfg4pjevvp5h34zvhaj45kbft3dg5r33j5vu3nyp7xic3vrzvad.onion',
                'title': 'Helldown Leaks',
                'type': 'DLS'}],
 'negotiation_count': 0,
 'ransomnotes_count': 1,
 'tiaras_metadata': {'has_negotiations': False,
                     'has_ransomnote': True,
                     'locations': [{'available': False,
                                    'fqdn': 'onyxcym4mjilrsptk5uo2dhesbwntuban55mvww2olk5ygqafhu3i3yd.onion',
                                    'slug': 'http://onyxcym4mjilrsptk5uo2dhesbwntuban55mvww2olk5ygqafhu3i3yd.onion',
                                    'title': 'Helldown Leaks',
                                    'type': 'DLS'},
                                   {'available': False,
                                    'fqdn': 'onyxcgfg4pjevvp5h34zvhaj45kbft3dg5r33j5vu3nyp7xic3vrzvad.onion',
                                    'slug': 'http://onyxcgfg4pjevvp5h34zvhaj45kbft3dg5r33j5vu3nyp7xic3vrzvad.onion',
                                    'title': 'Helldown Leaks',
                                    'type': 'DLS'}],
                     'negotiation_count': 0,
                     'ransomnotes_count': 1,
                     'ransomware_live_group': 'helldown',
                     'tools': {'CredentialTheft': ['Mimikatz'],
                               'DefenseEvasion': ['HRSword'],
                               'DiscoveryEnum': ['Advanced Port Scanner'],
                               'Exfiltration': [],
                               'LOLBAS': ['PsExec'],
                               'Networking': [],
                               'Offsec': [],
                               'RMM-Tools': ['TeamViewer']},
                     'url': 'https://www.ransomware.live/group/helldown',
                     'victims': 36,
                     'vulnerabilities': []},
 'tiaras_source': 'ransomware.live',
 'tools': {'CredentialTheft': ['Mimikatz'],
           'DefenseEvasion': ['HRSword'],
           'DiscoveryEnum': ['Advanced Port Scanner'],
           'Exfiltration': [],
           'LOLBAS': ['PsExec'],
           'Networking': [],
           'Offsec': [],
           'RMM-Tools': ['TeamViewer']},
 'ttps': [],
 'url': 'https://www.ransomware.live/group/helldown',
 'victims': 36,
 'vulnerabilities': []}
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