General
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Target
mini_installer.exe
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Size
133.5MB
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Sample
241116-zzd27stfqd
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MD5
53bf10cfc5305a82b77b35a822c853f2
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SHA1
5ac9442c9a1ce7abf5c82a84d8342b5ed684b9bd
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SHA256
b697691d3b3420eb65fc63f4c467657b789fb0bb4e8a8fd09e07d303b7a3ddfb
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SHA512
d242df59a80cd0aa2a2d4b581826e80618180c74c811d55e4f17876f936b4044567b2a01a8dc554ce530865f53de8c0330331c0cdd9c0ffd6388432200a18578
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SSDEEP
3145728:VvhqGYqzX2ejfKQpQcUPlNLPxWb651ZHbbvI7zJsGcP0VJTEysb:VZqGqkQtlBgbKFboWGW0Vh0
Static task
static1
Behavioral task
behavioral1
Sample
mini_installer.exe
Resource
win11-20241007-en
Malware Config
Extracted
C:\Users\Admin\Downloads\@[email protected]
wannacry
12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw
Targets
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Target
mini_installer.exe
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Size
133.5MB
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MD5
53bf10cfc5305a82b77b35a822c853f2
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SHA1
5ac9442c9a1ce7abf5c82a84d8342b5ed684b9bd
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SHA256
b697691d3b3420eb65fc63f4c467657b789fb0bb4e8a8fd09e07d303b7a3ddfb
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SHA512
d242df59a80cd0aa2a2d4b581826e80618180c74c811d55e4f17876f936b4044567b2a01a8dc554ce530865f53de8c0330331c0cdd9c0ffd6388432200a18578
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SSDEEP
3145728:VvhqGYqzX2ejfKQpQcUPlNLPxWb651ZHbbvI7zJsGcP0VJTEysb:VZqGqkQtlBgbKFboWGW0Vh0
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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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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 file permissions
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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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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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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
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
2Windows File and Directory Permissions Modification
1Hide Artifacts
1Hidden Files and Directories
1Indicator Removal
1File Deletion
1Modify Registry
3Subvert Trust Controls
1SIP and Trust Provider Hijacking
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1