General
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Target
WinLocker.exe
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Size
2.5MB
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Sample
240604-qhl7tagh2v
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MD5
290d6c365c40a6e275acee429baa07ca
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SHA1
e7ad7b0518d3e9b3aa01495011f0707a4e3604cd
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SHA256
5e04a7d94246e4f8286b53fa7ed21756db1b0e6d8526f15747761b85403fab62
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SHA512
79d66c2f46cca72e073c0ed5a3b7d926bbdf099b34ab0363e3429d036d317509f76459c04e45cbc888f2ca753b5ad76882cb8c2b102d3cb5c723faf51dc66de1
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SSDEEP
49152:7zf6V1jqp9ekTDVSxfHLqY+xKkmyLW5RhM0glZ:7zyV0pyfOtIFIlZ
Static task
static1
Behavioral task
behavioral1
Sample
WinLocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
WinLocker.exe
Resource
win10v2004-20240508-en
Malware Config
Targets
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Target
WinLocker.exe
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Size
2.5MB
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MD5
290d6c365c40a6e275acee429baa07ca
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SHA1
e7ad7b0518d3e9b3aa01495011f0707a4e3604cd
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SHA256
5e04a7d94246e4f8286b53fa7ed21756db1b0e6d8526f15747761b85403fab62
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SHA512
79d66c2f46cca72e073c0ed5a3b7d926bbdf099b34ab0363e3429d036d317509f76459c04e45cbc888f2ca753b5ad76882cb8c2b102d3cb5c723faf51dc66de1
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SSDEEP
49152:7zf6V1jqp9ekTDVSxfHLqY+xKkmyLW5RhM0glZ:7zyV0pyfOtIFIlZ
Score10/10-
Sets file execution options in registry
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Adds Run key to start application
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Pre-OS Boot
1Bootkit
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2