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General
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Target
4bf6c5d2496bd59bd6553ba083fedf81_virlock_JC.exe
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Size
748KB
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Sample
230803-tsnp6sfe5s
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MD5
4bf6c5d2496bd59bd6553ba083fedf81
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SHA1
f2526522b47fc86c63173ec1a1def8d54f2ea5b0
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SHA256
225c4e5f8b9a842981cbea1c138ed3037cf6ffa8361d658f2979b408123a14ce
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SHA512
359a6606a48be04fd1b1996bcde005be52747f2471fba4e3daa8ba2be25f886adcff4bae732ec1b4a94c18c4c38de80b0f2318488a537860ab87359212228653
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SSDEEP
6144:Ym/z7x/H9TsWsHtajfdJl8sdnWmLk4XE7lU8NOdb8KLP2kW7indUs1FgXHjd:YUz7RWIt8sPk4XsSuOHLemhDgXH
Static task
static1
Behavioral task
behavioral1
Sample
4bf6c5d2496bd59bd6553ba083fedf81_virlock_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
4bf6c5d2496bd59bd6553ba083fedf81_virlock_JC.exe
Resource
win10v2004-20230703-en
Malware Config
Targets
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Target
4bf6c5d2496bd59bd6553ba083fedf81_virlock_JC.exe
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Size
748KB
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MD5
4bf6c5d2496bd59bd6553ba083fedf81
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SHA1
f2526522b47fc86c63173ec1a1def8d54f2ea5b0
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SHA256
225c4e5f8b9a842981cbea1c138ed3037cf6ffa8361d658f2979b408123a14ce
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SHA512
359a6606a48be04fd1b1996bcde005be52747f2471fba4e3daa8ba2be25f886adcff4bae732ec1b4a94c18c4c38de80b0f2318488a537860ab87359212228653
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SSDEEP
6144:Ym/z7x/H9TsWsHtajfdJl8sdnWmLk4XE7lU8NOdb8KLP2kW7indUs1FgXHjd:YUz7RWIt8sPk4XsSuOHLemhDgXH
Score10/10-
Modifies visibility of file extensions in Explorer
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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