General
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Target
2024-11-20_ffb37a64e91c59db36040b8ba7c6bdad_ryuk
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Size
3.6MB
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Sample
241120-cnfekayajg
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MD5
ffb37a64e91c59db36040b8ba7c6bdad
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SHA1
cb8d52d44bf6fbe94d793cf3f222f6a956eb32cf
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SHA256
598c3b6790b9743c04ffec399bbd8096f873a1edcf32ee6fb6bd3c30900095cd
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SHA512
bbd54464e14138bf375390b74097521fb95c1dc9cd07834d709983ff73433cdbf5061afb9bdf1d50b093e1705f990d6c7b451bcfbe017f2ed0f656f010ef0edc
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SSDEEP
49152:0QusxfsBXlpHgWycTjhkT4hE53e4ndn4fvFhPCNIFQv9n6Vp:5op
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-20_ffb37a64e91c59db36040b8ba7c6bdad_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-20_ffb37a64e91c59db36040b8ba7c6bdad_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
700
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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_ffb37a64e91c59db36040b8ba7c6bdad_ryuk
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Size
3.6MB
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MD5
ffb37a64e91c59db36040b8ba7c6bdad
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SHA1
cb8d52d44bf6fbe94d793cf3f222f6a956eb32cf
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SHA256
598c3b6790b9743c04ffec399bbd8096f873a1edcf32ee6fb6bd3c30900095cd
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SHA512
bbd54464e14138bf375390b74097521fb95c1dc9cd07834d709983ff73433cdbf5061afb9bdf1d50b093e1705f990d6c7b451bcfbe017f2ed0f656f010ef0edc
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SSDEEP
49152:0QusxfsBXlpHgWycTjhkT4hE53e4ndn4fvFhPCNIFQv9n6Vp:5op
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