General
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Target
Echo-Scanner.exe
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Size
716KB
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Sample
250602-nsaknazly3
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MD5
818b2d4040e1cd5147936107ae00e2de
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SHA1
0c0cecf79650b70548d521351821e3479c6cab77
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SHA256
e888bd6a36d2b00ea8f2223e1fe8370cf3f0277f13b83ff57923834fc5608a66
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SHA512
c164aa77f7f346d4272309776967406738494cfdc8bde77336d14a22f37e5f0590a41589f6a5b338206db0f328d1d012525f31cb25a63e10b1a7b2f85f3dc921
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SSDEEP
12288:UTa97bqHS+cFjdCr7fY7ryQOyXbeB9DN1XPGAovqkdaRSTyZZdoYSJU/vHUemrHl:Jj7+nyCTeavH2
Behavioral task
behavioral1
Sample
Echo-Scanner.exe
Resource
win11-20250502-en
Malware Config
Targets
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Target
Echo-Scanner.exe
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Size
716KB
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MD5
818b2d4040e1cd5147936107ae00e2de
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SHA1
0c0cecf79650b70548d521351821e3479c6cab77
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SHA256
e888bd6a36d2b00ea8f2223e1fe8370cf3f0277f13b83ff57923834fc5608a66
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SHA512
c164aa77f7f346d4272309776967406738494cfdc8bde77336d14a22f37e5f0590a41589f6a5b338206db0f328d1d012525f31cb25a63e10b1a7b2f85f3dc921
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SSDEEP
12288:UTa97bqHS+cFjdCr7fY7ryQOyXbeB9DN1XPGAovqkdaRSTyZZdoYSJU/vHUemrHl:Jj7+nyCTeavH2
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Chaos Ransomware
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Chaos family
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit
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Disables Task Manager via registry modification
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Drops startup file
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Executes dropped EXE
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Adds Run key to start application
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Drops desktop.ini file(s)
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Modify Registry
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1