General
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Target
v4vcmk.exe
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Size
235KB
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Sample
230328-p5kf3abb35
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MD5
e7a30a6b98068f2c28af36b58c314c6a
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SHA1
4a366530e40c4ba0f6df97c8ebce2429aea6cc35
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SHA256
fa5e38ff3f546827c5e62db27f12d68bcc4cb30285a329088c54995b2e4ec5d0
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SHA512
8e8bff9a8c1976ca5724a8eaec77b81f7d057311021845aa3f72a6573bf25b189e715af3902fef76079e3dd2dcc6cf7ed513f9f8df9cf60c1e23439c990b33e6
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SSDEEP
3072:be0LTBeC0bt7ipg9+HaNbVW7MKcvsh/jXo+mo5vCI3nqDEmpl7Z4ovpUsttQ:tTwC0Epg9kIWl4+moESwEmD7Z7hUst2
Static task
static1
Behavioral task
behavioral1
Sample
v4vcmk.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
v4vcmk.exe
Resource
win10v2004-20230220-en
Malware Config
Targets
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Target
v4vcmk.exe
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Size
235KB
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MD5
e7a30a6b98068f2c28af36b58c314c6a
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SHA1
4a366530e40c4ba0f6df97c8ebce2429aea6cc35
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SHA256
fa5e38ff3f546827c5e62db27f12d68bcc4cb30285a329088c54995b2e4ec5d0
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SHA512
8e8bff9a8c1976ca5724a8eaec77b81f7d057311021845aa3f72a6573bf25b189e715af3902fef76079e3dd2dcc6cf7ed513f9f8df9cf60c1e23439c990b33e6
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SSDEEP
3072:be0LTBeC0bt7ipg9+HaNbVW7MKcvsh/jXo+mo5vCI3nqDEmpl7Z4ovpUsttQ:tTwC0Epg9kIWl4+moESwEmD7Z7hUst2
Score10/10-
Modifies visibility of file extensions in Explorer
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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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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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