Threat Actor Profile
Description
According to Bleeping Computer, the ransomware is used in targeted attacks against unpatched Citrix servers. It excludes Russian and Chinese targets using the system's Language ID for filtering. It also tries to disable Windows Defender and has a number of UNIX filepath references in its strings. Encryption method is AES using a dynamically generated key, then bundling this key up via RSA.
Confidence Score
Tags
First Seen
Unknown
Last Updated
Unknown
Active Status
ActiveCreated
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 Bleeping Computer, the ransomware is used in '
'targeted attacks against unpatched Citrix servers. It '
"excludes Russian and Chinese targets using the system's "
'Language ID for filtering. It also tries to disable Windows '
'Defender and has a number of UNIX filepath references in its '
'strings. Encryption method is AES using a dynamically '
'generated key, then bundling this key up via RSA.\n',
'firstseen': '2021-03-31T00:00:00+00:00',
'group': 'ragnarok',
'has_negotiations': False,
'has_ransomnote': True,
'lastseen': '2021-12-30T10:10:45.033137+00:00',
'locations': [{'available': False,
'fqdn': 'sushlnty2j7qdzy64qnvyb6ajkwg7resd3p6agc2widnawodtcedgjid.onion',
'slug': 'http://sushlnty2j7qdzy64qnvyb6ajkwg7resd3p6agc2widnawodtcedgjid.onion/',
'title': 'Decrypt Site',
'type': 'DLS'},
{'available': False,
'fqdn': 'wobpitin77vdsdiswr43duntv6eqw4rvphedutpaxycjdie6gg3binad.onion',
'slug': 'http://wobpitin77vdsdiswr43duntv6eqw4rvphedutpaxycjdie6gg3binad.onion',
'title': '',
'type': 'DLS'}],
'negotiation_count': 0,
'ransomnotes_count': 2,
'tiaras_metadata': {'has_negotiations': False,
'has_ransomnote': True,
'locations': [{'available': False,
'fqdn': 'sushlnty2j7qdzy64qnvyb6ajkwg7resd3p6agc2widnawodtcedgjid.onion',
'slug': 'http://sushlnty2j7qdzy64qnvyb6ajkwg7resd3p6agc2widnawodtcedgjid.onion/',
'title': 'Decrypt Site',
'type': 'DLS'},
{'available': False,
'fqdn': 'wobpitin77vdsdiswr43duntv6eqw4rvphedutpaxycjdie6gg3binad.onion',
'slug': 'http://wobpitin77vdsdiswr43duntv6eqw4rvphedutpaxycjdie6gg3binad.onion',
'title': '',
'type': 'DLS'}],
'negotiation_count': 0,
'ransomnotes_count': 2,
'ransomware_live_group': 'ragnarok',
'tools': {},
'url': 'https://www.ransomware.live/group/ragnarok',
'victims': 3,
'vulnerabilities': []},
'tiaras_source': 'ransomware.live',
'tools': {},
'ttps': [],
'url': 'https://www.ransomware.live/group/ragnarok',
'victims': 3,
'vulnerabilities': []}