General
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Target
2024-11-20_0bef3b7ac8a7088b43913aeb50872cb5_ryuk
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Size
4.1MB
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Sample
241120-19mmrsvkf1
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MD5
0bef3b7ac8a7088b43913aeb50872cb5
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SHA1
4c049e504cadb46001b97866d4cc182a2ebe8ed5
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SHA256
c793ad4e3cf5aaf4a58fae55b8ef20e936392a5ab36b68baeba38e58f356f900
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SHA512
58b7b06c4a0164e00533af8060b01c89c92049d9d65c6a38faccafc91a025c4f74e0dfca4229018bfed1496ed19a38300dedc485ab5d0c7370da979bc52d5d68
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SSDEEP
49152:qxGK0l3e3umT4jb2czkx+Lb81vcjZ2UBj1KzRSui1h5ZCTZ:qxGK09yukZ
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-20_0bef3b7ac8a7088b43913aeb50872cb5_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-20_0bef3b7ac8a7088b43913aeb50872cb5_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
6
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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
2024-11-20_0bef3b7ac8a7088b43913aeb50872cb5_ryuk
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Size
4.1MB
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MD5
0bef3b7ac8a7088b43913aeb50872cb5
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SHA1
4c049e504cadb46001b97866d4cc182a2ebe8ed5
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SHA256
c793ad4e3cf5aaf4a58fae55b8ef20e936392a5ab36b68baeba38e58f356f900
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SHA512
58b7b06c4a0164e00533af8060b01c89c92049d9d65c6a38faccafc91a025c4f74e0dfca4229018bfed1496ed19a38300dedc485ab5d0c7370da979bc52d5d68
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SSDEEP
49152:qxGK0l3e3umT4jb2czkx+Lb81vcjZ2UBj1KzRSui1h5ZCTZ:qxGK09yukZ
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