General
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Target
2025-01-05_c251321bdb97f33285932896c5063a9e_cobalt-strike_ryuk
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Size
3.1MB
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Sample
250105-l6z2cs1lby
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MD5
c251321bdb97f33285932896c5063a9e
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SHA1
f8513e5063998e4f2ce674e55a795aac55344695
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SHA256
415fd38b660f02db2cd016eb150b825d7badc7faee3864ffa1557589b0964d1e
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SHA512
3c8128a04eec494e062d3bc86141471e4c97d32230598f88da754d662d10c99f4d217b0af65dfbeb878db48387a3eba8260620c4abaea7762a0a213e3086a313
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SSDEEP
49152:UCz3bTLndYdXzb85JZym2cW5CYzT2eE1Onl+bv:U
Static task
static1
Behavioral task
behavioral1
Sample
2025-01-05_c251321bdb97f33285932896c5063a9e_cobalt-strike_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-01-05_c251321bdb97f33285932896c5063a9e_cobalt-strike_ryuk.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
meduza
45.130.145.152
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anti_dbg
true
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anti_vm
true
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build_name
Punish
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extensions
.txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite
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grabber_max_size
4.194304e+06
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port
15666
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self_destruct
true
Targets
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Target
2025-01-05_c251321bdb97f33285932896c5063a9e_cobalt-strike_ryuk
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Size
3.1MB
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MD5
c251321bdb97f33285932896c5063a9e
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SHA1
f8513e5063998e4f2ce674e55a795aac55344695
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SHA256
415fd38b660f02db2cd016eb150b825d7badc7faee3864ffa1557589b0964d1e
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SHA512
3c8128a04eec494e062d3bc86141471e4c97d32230598f88da754d662d10c99f4d217b0af65dfbeb878db48387a3eba8260620c4abaea7762a0a213e3086a313
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SSDEEP
49152:UCz3bTLndYdXzb85JZym2cW5CYzT2eE1Onl+bv:U
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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