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General
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Target
2025-03-03_5d68d4dd5bdd52a25b200cd94f8d648e_ryuk
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Size
20.5MB
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Sample
250303-kg7t8sszcz
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MD5
5d68d4dd5bdd52a25b200cd94f8d648e
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SHA1
02df97aca7897799c55b2ad24444d4f155deff07
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SHA256
c72f4c4095a29103661d29fde3f9b3c489beb16eaba98803972d7b8f90a6f654
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SHA512
632425543dda19b6dd5306cdd5a2a237b32fade8b15de6f2173ca9798b887e0d3ca640ee083e62bdc40e0cb43de31baeeb63b80552df43e5ec721f0adee4510e
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SSDEEP
196608:6atpgF2oM7Vk96Cy8xEqn0SweKG8cvMLnsOTZ:DtpgF2oM7Vk96Cy8xEqn0MlHvYnsO
Static task
static1
Behavioral task
behavioral1
Sample
2025-03-03_5d68d4dd5bdd52a25b200cd94f8d648e_ryuk.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2025-03-03_5d68d4dd5bdd52a25b200cd94f8d648e_ryuk.exe
Resource
win10v2004-20250217-en
Malware Config
Targets
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Target
2025-03-03_5d68d4dd5bdd52a25b200cd94f8d648e_ryuk
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Size
20.5MB
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MD5
5d68d4dd5bdd52a25b200cd94f8d648e
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SHA1
02df97aca7897799c55b2ad24444d4f155deff07
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SHA256
c72f4c4095a29103661d29fde3f9b3c489beb16eaba98803972d7b8f90a6f654
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SHA512
632425543dda19b6dd5306cdd5a2a237b32fade8b15de6f2173ca9798b887e0d3ca640ee083e62bdc40e0cb43de31baeeb63b80552df43e5ec721f0adee4510e
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SSDEEP
196608:6atpgF2oM7Vk96Cy8xEqn0SweKG8cvMLnsOTZ:DtpgF2oM7Vk96Cy8xEqn0MlHvYnsO
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Fatalrat family
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UAC bypass
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Fatal Rat payload
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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Event Triggered Execution: Image File Execution Options Injection
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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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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Component Object Model Hijacking
1Image File Execution Options Injection
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Component Object Model Hijacking
1Image File Execution Options Injection
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1