General
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Target
2024-11-21_bf76e56ebf9bfeeb4660d2b38c1a431e_ryuk
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Size
4.1MB
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Sample
241121-nvpgla1rgz
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MD5
bf76e56ebf9bfeeb4660d2b38c1a431e
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SHA1
9c312e856d8c35cccde1657773b7fd7c60585233
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SHA256
9942b0cf3776c6a023f103deacba17a52607707d6257531c0fd2e3982d5979af
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SHA512
4b860b1f5111b4a77c139ae65b7293e1211264d71b1540e210cdcca52972d1ba5e7aa4e5adf53edbd36727e85fa4625074e21ff4e4fa4ef7ae018ac0014b5852
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SSDEEP
49152:/xGK0l3e3udPEcpRd2oXnXfvVOvw4CLzEAgpAEVV7yKzYkkrKVmZ:/xGK09yuZZ
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-21_bf76e56ebf9bfeeb4660d2b38c1a431e_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-21_bf76e56ebf9bfeeb4660d2b38c1a431e_ryuk.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
meduza
109.107.181.162
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anti_dbg
true
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anti_vm
true
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build_name
703
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extensions
none
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grabber_max_size
1.048576e+06
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links
none
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port
15666
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self_destruct
true
Targets
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Target
2024-11-21_bf76e56ebf9bfeeb4660d2b38c1a431e_ryuk
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Size
4.1MB
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MD5
bf76e56ebf9bfeeb4660d2b38c1a431e
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SHA1
9c312e856d8c35cccde1657773b7fd7c60585233
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SHA256
9942b0cf3776c6a023f103deacba17a52607707d6257531c0fd2e3982d5979af
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SHA512
4b860b1f5111b4a77c139ae65b7293e1211264d71b1540e210cdcca52972d1ba5e7aa4e5adf53edbd36727e85fa4625074e21ff4e4fa4ef7ae018ac0014b5852
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SSDEEP
49152:/xGK0l3e3udPEcpRd2oXnXfvVOvw4CLzEAgpAEVV7yKzYkkrKVmZ:/xGK09yuZZ
Score10/10-
Meduza Stealer payload
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Meduza family
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Accesses Microsoft Outlook profiles
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1