General
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Target
2024-11-20_a77ca6dd2fef264d39cc9baa904eda9a_ryuk
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Size
4.1MB
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Sample
241120-ckyfzayjav
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MD5
a77ca6dd2fef264d39cc9baa904eda9a
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SHA1
6d2448b082ff40fa9ca07b7b77b82239ddcd1344
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SHA256
d156a993d7b7f3b39cffddb1d59053639c1e24f964cd464d9ef89f54ae3006b2
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SHA512
92d0197c278e54119ebef297173221c3ead18da8e1e772983fd99d4f824bae5c143d68cf9e695ea49a920aa7808ccbaa4630d5ebf196b9dc246dbc12a77c71fc
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SSDEEP
49152:qxGK0l3e3ue52XBCYc0zjM2rMN0h+MqJpYUboujSVXzCoogFDZ:qxGK09yuxZ
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-20_a77ca6dd2fef264d39cc9baa904eda9a_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-20_a77ca6dd2fef264d39cc9baa904eda9a_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
424
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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_a77ca6dd2fef264d39cc9baa904eda9a_ryuk
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Size
4.1MB
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MD5
a77ca6dd2fef264d39cc9baa904eda9a
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SHA1
6d2448b082ff40fa9ca07b7b77b82239ddcd1344
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SHA256
d156a993d7b7f3b39cffddb1d59053639c1e24f964cd464d9ef89f54ae3006b2
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SHA512
92d0197c278e54119ebef297173221c3ead18da8e1e772983fd99d4f824bae5c143d68cf9e695ea49a920aa7808ccbaa4630d5ebf196b9dc246dbc12a77c71fc
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SSDEEP
49152:qxGK0l3e3ue52XBCYc0zjM2rMN0h+MqJpYUboujSVXzCoogFDZ:qxGK09yuxZ
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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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