General
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Target
2024-12-09_c55ce8a5016e1628887b48bbd1beb923_ryuk
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Size
4.1MB
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Sample
241209-cazahssnem
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MD5
c55ce8a5016e1628887b48bbd1beb923
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SHA1
60ad46da825e8a59f5b1c5b59795c8f0273c8d06
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SHA256
34bf15220b0259eb2ed1d024f6e5e2ada2bd0a0501d0c1931e4097a787bb634b
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SHA512
4388dcbb5be669b8dab78ffa59a184d5a508455ac932b7d992a38014dc89cdee09f8f94720d0284f6033bf1dccf113b5a557c1da2a4917cc42c964cddeb2de79
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SSDEEP
49152:Xl4UjB0jUuoO+BxK2/VJTe1LK+vBmGKOWB11MaXEcA:14UjKguGA
Static task
static1
Behavioral task
behavioral1
Sample
2024-12-09_c55ce8a5016e1628887b48bbd1beb923_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-12-09_c55ce8a5016e1628887b48bbd1beb923_ryuk.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
meduza
5.252.155.28
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anti_dbg
true
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anti_vm
true
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build_name
782
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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
2024-12-09_c55ce8a5016e1628887b48bbd1beb923_ryuk
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Size
4.1MB
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MD5
c55ce8a5016e1628887b48bbd1beb923
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SHA1
60ad46da825e8a59f5b1c5b59795c8f0273c8d06
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SHA256
34bf15220b0259eb2ed1d024f6e5e2ada2bd0a0501d0c1931e4097a787bb634b
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SHA512
4388dcbb5be669b8dab78ffa59a184d5a508455ac932b7d992a38014dc89cdee09f8f94720d0284f6033bf1dccf113b5a557c1da2a4917cc42c964cddeb2de79
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SSDEEP
49152:Xl4UjB0jUuoO+BxK2/VJTe1LK+vBmGKOWB11MaXEcA:14UjKguGA
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