General
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Target
20240106feaaa613a8fa6137a8fcd2af8bb31da8lock.exe
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Size
138KB
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Sample
240107-x1nxpacccm
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MD5
feaaa613a8fa6137a8fcd2af8bb31da8
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SHA1
eea5de3f9019e9aad0345af5aac35414bf33b2f0
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SHA256
5798ad5c1c18beac46d50e7886d71c7d0c213d63d10b86fac76b235e08cc3524
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SHA512
8d2249a3ef5fe25e26c9a39bca8ea03510d3c3c5265386d0be700a762663ddfb5e5b00f09098eacc581270d31109b3c9036745318a9e1a4e570f0fd85d846689
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SSDEEP
3072:APg5J0+a1HdGyXhj3IjFHds2DbkbJlHz/ElwN3iXxn4yUFkQGEHgX:APgQ+a1HdGyV3IjFHG20VlHolwEBaFk3
Static task
static1
Behavioral task
behavioral1
Sample
20240106feaaa613a8fa6137a8fcd2af8bb31da8lock.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
20240106feaaa613a8fa6137a8fcd2af8bb31da8lock.exe
Resource
win10v2004-20231215-en
Malware Config
Targets
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Target
20240106feaaa613a8fa6137a8fcd2af8bb31da8lock.exe
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Size
138KB
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MD5
feaaa613a8fa6137a8fcd2af8bb31da8
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SHA1
eea5de3f9019e9aad0345af5aac35414bf33b2f0
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SHA256
5798ad5c1c18beac46d50e7886d71c7d0c213d63d10b86fac76b235e08cc3524
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SHA512
8d2249a3ef5fe25e26c9a39bca8ea03510d3c3c5265386d0be700a762663ddfb5e5b00f09098eacc581270d31109b3c9036745318a9e1a4e570f0fd85d846689
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SSDEEP
3072:APg5J0+a1HdGyXhj3IjFHds2DbkbJlHz/ElwN3iXxn4yUFkQGEHgX:APgQ+a1HdGyV3IjFHG20VlHolwEBaFk3
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (76) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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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Loads dropped DLL
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Adds Run key to start application
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1