General
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Target
2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk
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Size
4.1MB
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Sample
241119-bx8a9szamk
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MD5
35835bdc42de98d2cd41e46e3591ebb2
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SHA1
6bb80cfc8c54c45ffc7a032440a09bc8a3969a60
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SHA256
2243d17659fa19d6fddb0394328d3971c785e83c965b56aa7ca83b21690740c0
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SHA512
9c5b491f23d2eaf99ca250774eed1c9f50afb76a03a61dee5cfc53d7f33dc735e72ce906b9754ee18656c9f39f59eb137481fdf1412d64150059ebaad88b5bf7
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SSDEEP
49152:/xGK0l3e3uBGzz1e3yNc8PY84PgJqWJv/D2TGbubGZ:/xGK09yuYZ
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_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
2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk
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Size
4.1MB
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MD5
35835bdc42de98d2cd41e46e3591ebb2
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SHA1
6bb80cfc8c54c45ffc7a032440a09bc8a3969a60
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SHA256
2243d17659fa19d6fddb0394328d3971c785e83c965b56aa7ca83b21690740c0
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SHA512
9c5b491f23d2eaf99ca250774eed1c9f50afb76a03a61dee5cfc53d7f33dc735e72ce906b9754ee18656c9f39f59eb137481fdf1412d64150059ebaad88b5bf7
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SSDEEP
49152:/xGK0l3e3uBGzz1e3yNc8PY84PgJqWJv/D2TGbubGZ:/xGK09yuYZ
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