General
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Target
2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk
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Size
4.1MB
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Sample
241117-mjst7sxkhz
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MD5
a6a5175d334d452e5f7ecb4a7c59ccc7
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SHA1
8c57589c02d10dc60bb7ce3128b24bfc2a1c1824
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SHA256
98673dbe7eb9b78140a4e215e7f028ce40393371c39debd0fde5a37534c4b8c8
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SHA512
0655813b51b6f9dd009988319aa43f93a2a9c8d61f259cc76374361b2eff56ffe69370c40a4981757fedca8ebb5a41ddbe24ce495919272da74f6a61290fd50f
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SSDEEP
49152:qxGK0l3e3uPleujQuj+TLYC8ao9Q59nL/eMJEDq3+EoghZ:qxGK09yumZ
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_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
420
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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
2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk
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Size
4.1MB
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MD5
a6a5175d334d452e5f7ecb4a7c59ccc7
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SHA1
8c57589c02d10dc60bb7ce3128b24bfc2a1c1824
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SHA256
98673dbe7eb9b78140a4e215e7f028ce40393371c39debd0fde5a37534c4b8c8
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SHA512
0655813b51b6f9dd009988319aa43f93a2a9c8d61f259cc76374361b2eff56ffe69370c40a4981757fedca8ebb5a41ddbe24ce495919272da74f6a61290fd50f
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SSDEEP
49152:qxGK0l3e3uPleujQuj+TLYC8ao9Q59nL/eMJEDq3+EoghZ:qxGK09yumZ
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