General
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Target
2024-11-23_3f6b461548bdf92e28da68177b1c6e5c_ryuk
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Size
4.1MB
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Sample
241123-pswnka1mdj
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MD5
3f6b461548bdf92e28da68177b1c6e5c
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SHA1
6f8d46823ac5710ba74f5e9f90429dd64ae792f3
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SHA256
cc332b2b190d6bed3bfccf6f7b878a2065cf70babd1cc79a65b7adeadf130323
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SHA512
2a8c3421b7c5f718077efe03970de7e716eceffeea39df6b5e4cdf6d8468b896a60b6842d8d174cdc96e58a372b3cbfd07fedcb308f9348a6860e441c72bb88f
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SSDEEP
49152:Xl4UjB0jUuCPKPjJKq5q4ifpH2dqbIKL0fvDF+dTUKPLHA:14UjKgusA
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-23_3f6b461548bdf92e28da68177b1c6e5c_ryuk.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2024-11-23_3f6b461548bdf92e28da68177b1c6e5c_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
439
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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
2024-11-23_3f6b461548bdf92e28da68177b1c6e5c_ryuk
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Size
4.1MB
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MD5
3f6b461548bdf92e28da68177b1c6e5c
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SHA1
6f8d46823ac5710ba74f5e9f90429dd64ae792f3
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SHA256
cc332b2b190d6bed3bfccf6f7b878a2065cf70babd1cc79a65b7adeadf130323
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SHA512
2a8c3421b7c5f718077efe03970de7e716eceffeea39df6b5e4cdf6d8468b896a60b6842d8d174cdc96e58a372b3cbfd07fedcb308f9348a6860e441c72bb88f
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SSDEEP
49152:Xl4UjB0jUuCPKPjJKq5q4ifpH2dqbIKL0fvDF+dTUKPLHA:14UjKgusA
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