General
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Target
2024-11-19_b3c893527a250bedaa33e22c048af650_ryuk
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Size
4.1MB
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Sample
241119-cj55esyngt
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MD5
b3c893527a250bedaa33e22c048af650
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SHA1
51a279ea4e0f4f6ea7af5ebfec7aa78ea91bbb55
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SHA256
7242d005011d6db40e200a4c9d432d9af8ffd09cb8fa4af58f434e787a01d164
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SHA512
3e2df62040d3993ccb821a9a401ecf3a17822b497d3a7f906bbd6ca6ec1e788d3c4adec79beac65c0c04c2de153581320139e89c2c5cec1a4545237a3373e7bc
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SSDEEP
49152:/xGK0l3e3umgm8mg5Kzul0xOLiD+abB6QKSfdD3Lu29TAedZ:/xGK09yu6Z
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-19_b3c893527a250bedaa33e22c048af650_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-19_b3c893527a250bedaa33e22c048af650_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
749
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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_b3c893527a250bedaa33e22c048af650_ryuk
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Size
4.1MB
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MD5
b3c893527a250bedaa33e22c048af650
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SHA1
51a279ea4e0f4f6ea7af5ebfec7aa78ea91bbb55
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SHA256
7242d005011d6db40e200a4c9d432d9af8ffd09cb8fa4af58f434e787a01d164
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SHA512
3e2df62040d3993ccb821a9a401ecf3a17822b497d3a7f906bbd6ca6ec1e788d3c4adec79beac65c0c04c2de153581320139e89c2c5cec1a4545237a3373e7bc
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SSDEEP
49152:/xGK0l3e3umgm8mg5Kzul0xOLiD+abB6QKSfdD3Lu29TAedZ:/xGK09yu6Z
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