General
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Target
b2493a580153291b69ca23190d00a00b1220cd0aadf469b3974fdaa726516649
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Size
719KB
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Sample
221116-f6a5cahc76
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MD5
8474039d83805eb7b447325c3a8d1ebb
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SHA1
a07d537f4253745a087709a9a07c449f84deed8d
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SHA256
b2493a580153291b69ca23190d00a00b1220cd0aadf469b3974fdaa726516649
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SHA512
3272091bbf123ba5e1592e8b2bd7740cddcb174fa158bc6980b25ee61d92387e94a25284736253f83a6eea78b427f6717e888e843db9d7759cfe9a7676576438
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SSDEEP
12288:q4UOTYQivI2qZ7aSgLwkFVpzUvest4ZEbjJLuhJVoM7SPd:bRTYVQ2qZ7aSgLwuVfstRJL6YM6
Behavioral task
behavioral1
Sample
b2493a580153291b69ca23190d00a00b1220cd0aadf469b3974fdaa726516649.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
b2493a580153291b69ca23190d00a00b1220cd0aadf469b3974fdaa726516649.exe
Resource
win10v2004-20221111-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Recovery_Instructions.html
Extracted
C:\Recovery_Instructions.html
Targets
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Target
b2493a580153291b69ca23190d00a00b1220cd0aadf469b3974fdaa726516649
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Size
719KB
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MD5
8474039d83805eb7b447325c3a8d1ebb
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SHA1
a07d537f4253745a087709a9a07c449f84deed8d
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SHA256
b2493a580153291b69ca23190d00a00b1220cd0aadf469b3974fdaa726516649
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SHA512
3272091bbf123ba5e1592e8b2bd7740cddcb174fa158bc6980b25ee61d92387e94a25284736253f83a6eea78b427f6717e888e843db9d7759cfe9a7676576438
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SSDEEP
12288:q4UOTYQivI2qZ7aSgLwkFVpzUvest4ZEbjJLuhJVoM7SPd:bRTYVQ2qZ7aSgLwuVfstRJL6YM6
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Detect Neshta payload
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MedusaLocker payload
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Modifies system executable filetype association
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Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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Executes dropped EXE
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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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Loads dropped DLL
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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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