General
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Target
2024-09-19_b2bc9aa586a128967d718492d64d88cf_ryuk
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Size
5.4MB
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Sample
240919-gnxfastfkh
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MD5
b2bc9aa586a128967d718492d64d88cf
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SHA1
91e685e3206178afe17bca4aaa0c960dd9770351
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SHA256
13418765c7d1c755e47aec453e9836b9dca0e9ef904043b63d4042bdcbf81757
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SHA512
8d04697add4615d26589266692f7e1c8243dbaa605b0c6874b33f0c8c80ba7fcbab508fc5f4d23d1be7947a898bb0fce346d7c0b98bb8ae28c785784b8355cc3
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SSDEEP
98304:VjD5l5T/7VzSFGKVupb+q8ugzgss4mKmphIY+k37AoZCLSnee/3PWcFcKpsdiXLu:VjD7F/xzVgzgsYKmphxjZySj/3OcF9OH
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-19_b2bc9aa586a128967d718492d64d88cf_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-19_b2bc9aa586a128967d718492d64d88cf_ryuk.exe
Resource
win10v2004-20240802-en
Malware Config
Targets
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Target
2024-09-19_b2bc9aa586a128967d718492d64d88cf_ryuk
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Size
5.4MB
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MD5
b2bc9aa586a128967d718492d64d88cf
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SHA1
91e685e3206178afe17bca4aaa0c960dd9770351
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SHA256
13418765c7d1c755e47aec453e9836b9dca0e9ef904043b63d4042bdcbf81757
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SHA512
8d04697add4615d26589266692f7e1c8243dbaa605b0c6874b33f0c8c80ba7fcbab508fc5f4d23d1be7947a898bb0fce346d7c0b98bb8ae28c785784b8355cc3
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SSDEEP
98304:VjD5l5T/7VzSFGKVupb+q8ugzgss4mKmphIY+k37AoZCLSnee/3PWcFcKpsdiXLu:VjD7F/xzVgzgsYKmphxjZySj/3OcF9OH
Score8/10-
Drops file in Drivers directory
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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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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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1