General
- Target vbucks.exe
- Size 83.3MB
- Sample260909-wp8maa1ses
- SHA256 7bda7fbb3eea3ffdced17b5679c057943464a6ecc5e5274968b728feae470b7b
Malware Config
Targets
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- Target vbucks.exe
- Size 83.3MB
- SHA256 7bda7fbb3eea3ffdced17b5679c057943464a6ecc5e5274968b728feae470b7b
Score9/10-
Renames multiple (159) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
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Modifies file permissions
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Adds Run key to start application
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops file in System32 directory
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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.
MITRE ATT&CK Enterprise v16
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
1Defense Evasion
File and Directory Permissions Modification
1Modify Registry
2Subvert Trust Controls
2Install Root Certificate
2