General
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Target
Isabel.exe
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Size
37.5MB
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Sample
250111-ts8ekswjgj
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MD5
2be0ce6238577ef91289a4d9d67dee0d
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SHA1
67060bfd6088b641e667a49ac3cfb258309ac31c
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SHA256
96b077e9959c6d3cd805deb755d7ad6c95576c5452cfa75d997a43013b96a040
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SHA512
862629a7d2a4b154660db9062de11bff434bfc27c5b695de5556a79fa8975c2d6352f8e20205ba67d73d99971ee58438004a917cbdd9da1f6062ffba2d2b2820
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SSDEEP
786432:cpkr2dY/aBcjJOBHOBIQBajMtWvoJiLE1+XgRKz89G/4ZSb0Funwh6DsN2PIpCrR:ALlBYXOVtmt6
Static task
static1
Behavioral task
behavioral1
Sample
Isabel.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\Users\Admin\Downloads\@[email protected]
wannacry
13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94
Targets
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Target
Isabel.exe
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Size
37.5MB
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MD5
2be0ce6238577ef91289a4d9d67dee0d
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SHA1
67060bfd6088b641e667a49ac3cfb258309ac31c
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SHA256
96b077e9959c6d3cd805deb755d7ad6c95576c5452cfa75d997a43013b96a040
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SHA512
862629a7d2a4b154660db9062de11bff434bfc27c5b695de5556a79fa8975c2d6352f8e20205ba67d73d99971ee58438004a917cbdd9da1f6062ffba2d2b2820
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SSDEEP
786432:cpkr2dY/aBcjJOBHOBIQBajMtWvoJiLE1+XgRKz89G/4ZSb0Funwh6DsN2PIpCrR:ALlBYXOVtmt6
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Wannacry family
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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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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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Adds Run key to start application
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File and Directory Permissions Modification: Windows File and Directory Permissions Modification
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Legitimate hosting services abused for malware hosting/C2
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
File and Directory Permissions Modification
2Windows File and Directory Permissions Modification
1Hide Artifacts
1Hidden Files and Directories
1Indicator Removal
1File Deletion
1Modify Registry
3Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1