General
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Target
1a6bed2afff1b9880e42a29cea9b8139bcb12e34085fb008de13aa983b82a4f2
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Size
164KB
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Sample
220608-dvdd8aagf5
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MD5
5f2d13576e4906501c91b8bf400e0890
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SHA1
adff2761a6afe9ecaa70486c0a04746c676a133b
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SHA256
1a6bed2afff1b9880e42a29cea9b8139bcb12e34085fb008de13aa983b82a4f2
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SHA512
29186d7c1702ab738844777a780ce982882727d8fb3ae6e1fd084bffef3ac63fcd7ca4624ee9bf047c909c303deece27f81650b1309280d6609d207e29131dfd
Static task
static1
Behavioral task
behavioral1
Sample
1a6bed2afff1b9880e42a29cea9b8139bcb12e34085fb008de13aa983b82a4f2.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
1a6bed2afff1b9880e42a29cea9b8139bcb12e34085fb008de13aa983b82a4f2.exe
Resource
win10v2004-20220414-en
Malware Config
Extracted
C:\Users\Admin\Desktop\README_DECRYPT_HYDRA_ID_d3e7b4d.txt
Targets
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Target
1a6bed2afff1b9880e42a29cea9b8139bcb12e34085fb008de13aa983b82a4f2
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Size
164KB
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MD5
5f2d13576e4906501c91b8bf400e0890
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SHA1
adff2761a6afe9ecaa70486c0a04746c676a133b
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SHA256
1a6bed2afff1b9880e42a29cea9b8139bcb12e34085fb008de13aa983b82a4f2
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SHA512
29186d7c1702ab738844777a780ce982882727d8fb3ae6e1fd084bffef3ac63fcd7ca4624ee9bf047c909c303deece27f81650b1309280d6609d207e29131dfd
Score10/10-
HydraCrypt
Relatively unsophisticated ransomware family based on leaked CrypBoss source code.
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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Adds Run key to start application
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Drops desktop.ini file(s)
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Suspicious use of SetThreadContext
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