General
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Target
2024-11-07_b3e5ea8b0d97c245897b590596063e79_ryuk
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Size
3.6MB
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Sample
241107-chynysvpej
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MD5
b3e5ea8b0d97c245897b590596063e79
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SHA1
29adf01785dc7831264983a6ed7fee13cc1b9a41
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SHA256
777cb9e04ba8f8602d802e45648c73923450c2c19b26c613a5001168727feff3
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SHA512
e59dc93d35853d683a4ff2d1f360a8285a6b29b8c7cb3ee2cd003f0e9817c5154d6dc739edd059934bfea0711c9bdd800f23219754ce98db74c95810fc8d932e
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SSDEEP
24576:bw317sPycp8nCB3ClpQtQFMeYEftQZ6jCCKb+qXyvOEjgIW0BOgewZMFJ45Xyr44:bByPnI8BRftSbivOeWy4wWN6lK28Wo
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-07_b3e5ea8b0d97c245897b590596063e79_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-07_b3e5ea8b0d97c245897b590596063e79_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
2024-11-07_b3e5ea8b0d97c245897b590596063e79_ryuk
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Size
3.6MB
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MD5
b3e5ea8b0d97c245897b590596063e79
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SHA1
29adf01785dc7831264983a6ed7fee13cc1b9a41
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SHA256
777cb9e04ba8f8602d802e45648c73923450c2c19b26c613a5001168727feff3
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SHA512
e59dc93d35853d683a4ff2d1f360a8285a6b29b8c7cb3ee2cd003f0e9817c5154d6dc739edd059934bfea0711c9bdd800f23219754ce98db74c95810fc8d932e
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SSDEEP
24576:bw317sPycp8nCB3ClpQtQFMeYEftQZ6jCCKb+qXyvOEjgIW0BOgewZMFJ45Xyr44:bByPnI8BRftSbivOeWy4wWN6lK28Wo
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