Threat Actor Profile
Medium Cybercriminal
Description

According to Vitali Kremez and Michael Gillespie, this ransomware shares much code with Nemty 2.5. A difference is removal of the RaaS component, which was switched to email communications for payments. Uses AES-128, which is then protected RSA2048.

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': 'According to Vitali Kremez and Michael Gillespie, this '
                'ransomware shares much code with Nemty 2.5. A difference is '
                'removal of the RaaS component, which was switched to email '
                'communications for payments. Uses AES-128, which is then '
                'protected RSA2048.\n',
 'firstseen': '2020-05-05T00:00:00+00:00',
 'group': 'nefilim',
 'has_negotiations': False,
 'has_ransomnote': True,
 'lastseen': '2021-09-09T23:46:57.082905+00:00',
 'locations': [{'available': False,
                'fqdn': 'hxt254aygrsziejn.onion',
                'slug': 'http://hxt254aygrsziejn.onion',
                'title': '',
                'type': 'DLS'}],
 'negotiation_count': 0,
 'ransomnotes_count': 1,
 'tiaras_metadata': {'has_negotiations': False,
                     'has_ransomnote': True,
                     'locations': [{'available': False,
                                    'fqdn': 'hxt254aygrsziejn.onion',
                                    'slug': 'http://hxt254aygrsziejn.onion',
                                    'title': '',
                                    'type': 'DLS'}],
                     'negotiation_count': 0,
                     'ransomnotes_count': 1,
                     'ransomware_live_group': 'nefilim',
                     'tools': {},
                     'url': 'https://www.ransomware.live/group/nefilim',
                     'victims': 15,
                     'vulnerabilities': []},
 'tiaras_source': 'ransomware.live',
 'tools': {},
 'ttps': [],
 'url': 'https://www.ransomware.live/group/nefilim',
 'victims': 15,
 'vulnerabilities': []}
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