General
- Target https://github.com/Da2dalus/The-MALWARE-Repo/tree/master/Ransomware
- Sample260905-tltmvaeg58
Malware Config
Targets
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- Target https://github.com/Da2dalus/The-MALWARE-Repo/tree/master/Ransomware
Score10/10-
Modifies WinLogon for persistence
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Modifies Windows Defender DisableAntiSpyware settings
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Modifies Windows Defender Real-time Protection settings
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UAC bypass
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Disables RegEdit via registry modification
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Disables Task Manager via registry modification
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Disables use of System Restore points
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Downloads MZ/PE file
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Event Triggered Execution: Image File Execution Options Injection
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Modifies Windows Firewall
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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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Impair Defenses: Safe Mode Boot
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Adds Run key to start application
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Checks whether UAC is enabled
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Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
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ConfuserEx .NET packer
Detects ConfuserEx .NET packer.
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
2Image File Execution Options Injection
1Netsh Helper DLL
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
2Image File Execution Options Injection
1Netsh Helper DLL
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Direct Volume Access
1Impair Defenses
5Disable or Modify System Firewall
1Disable or Modify Tools
3Safe Mode Boot
1Indicator Removal
2File Deletion
2Modify Registry
6