General
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Target
https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Ransomware/WannaCry.exe
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Sample
240419-r2pygsfg7t
Score
8/10
Malware Config
Targets
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Target
https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Ransomware/WannaCry.exe
Score8/10-
Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Modifies file permissions
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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1