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General
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Target
2025-02-28_f3e4feed797b47a2d54a863284411a40_ryuk
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Size
20.1MB
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Sample
250228-kw9mdawxhw
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MD5
f3e4feed797b47a2d54a863284411a40
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SHA1
639c79925bac37e790cb80185147288af1be4700
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SHA256
d1d042fd8cce93a4f58024622f9584ff87e7042efe36ff8b628b4ab361bf718b
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SHA512
43c7753ae6eb680acd70a74db4771ee0467c9f40f66632b0d131c25f5f0f3cd6958826f8883647d03272b1a58bd25a075d4a6e86a88e083c060cb79cb8d13e2a
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SSDEEP
196608:uatpgF2oM7Vk96Cy8xEqn0SweKG8yvMGynsOT/k:vtpgF2oM7Vk96Cy8xEqn0MlhvQnsOL
Static task
static1
Behavioral task
behavioral1
Sample
2025-02-28_f3e4feed797b47a2d54a863284411a40_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-02-28_f3e4feed797b47a2d54a863284411a40_ryuk.exe
Resource
win10v2004-20250217-en
Malware Config
Targets
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Target
2025-02-28_f3e4feed797b47a2d54a863284411a40_ryuk
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Size
20.1MB
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MD5
f3e4feed797b47a2d54a863284411a40
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SHA1
639c79925bac37e790cb80185147288af1be4700
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SHA256
d1d042fd8cce93a4f58024622f9584ff87e7042efe36ff8b628b4ab361bf718b
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SHA512
43c7753ae6eb680acd70a74db4771ee0467c9f40f66632b0d131c25f5f0f3cd6958826f8883647d03272b1a58bd25a075d4a6e86a88e083c060cb79cb8d13e2a
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SSDEEP
196608:uatpgF2oM7Vk96Cy8xEqn0SweKG8yvMGynsOT/k:vtpgF2oM7Vk96Cy8xEqn0MlhvQnsOL
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Fatalrat family
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Gh0st RAT payload
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Gh0strat 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