General
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Target
2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry
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Size
352KB
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Sample
250121-s26fxa1ndk
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MD5
07244d8bbd0721454ea97e696b6e85d3
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SHA1
06bc9b13360ac74b019cab18c96cc888474afc52
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SHA256
6d4fdb81ba3d3005f83e87f1b28fd48fbfe213a6dd164b95d939b9391faff82e
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SHA512
73c5fa9ee0bf8f91daa41f15932b0138329990d192bda0b75b90bd2f70fc8aaab28f509c9562355942a0563c418c96f99c0322e149e8c9b6d8ff83f14e3a8061
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SSDEEP
6144:gV3r9iXlkEt9RGv5IKp/ntL2FJGAJRaWJ1rQPNDEDKx22LV:gglkEHshIKpvtg4AJRaWkp
Behavioral task
behavioral1
Sample
2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
2025-01-21_07244d8bbd0721454ea97e696b6e85d3_wannacry
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Size
352KB
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MD5
07244d8bbd0721454ea97e696b6e85d3
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SHA1
06bc9b13360ac74b019cab18c96cc888474afc52
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SHA256
6d4fdb81ba3d3005f83e87f1b28fd48fbfe213a6dd164b95d939b9391faff82e
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SHA512
73c5fa9ee0bf8f91daa41f15932b0138329990d192bda0b75b90bd2f70fc8aaab28f509c9562355942a0563c418c96f99c0322e149e8c9b6d8ff83f14e3a8061
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SSDEEP
6144:gV3r9iXlkEt9RGv5IKp/ntL2FJGAJRaWJ1rQPNDEDKx22LV:gglkEHshIKpvtg4AJRaWkp
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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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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Modifies system executable filetype association
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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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Drops desktop.ini file(s)
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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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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Modify Registry
4Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1