General
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Target
ByteVault.exe
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Size
9.9MB
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Sample
240513-mtds2abg82
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MD5
4ea77d2b5cb4323fbd1738295b7add93
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SHA1
d00b1e2054dca021f3a15a10a3b1753b37d92b85
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SHA256
9b989d47e010206b0e0d50957a6f5361247bec54837ad5ef631dd613ff9f3243
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SHA512
09fcf25f769274399aa21b584fdc1d5efe8f1bf9aa50910e3296102e0681567ea8c60cd474fd0b3c4b6f0704fcea787bc754fb57ce903df68a6c62b1e1d1c1a6
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SSDEEP
196608:RhqWfIk7AHkPkRJW9GNZA1HeT39IigaeE9TFa0Z8DOjCdylwo1nz8QW7tx:zQFG8S1+TtIiEY9Z8D8CclPdoPx
Behavioral task
behavioral1
Sample
ByteVault.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
ByteVault.exe
Resource
win10v2004-20240508-en
Malware Config
Extracted
C:\Encrypt\encrypt.html
Targets
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Target
ByteVault.exe
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Size
9.9MB
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MD5
4ea77d2b5cb4323fbd1738295b7add93
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SHA1
d00b1e2054dca021f3a15a10a3b1753b37d92b85
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SHA256
9b989d47e010206b0e0d50957a6f5361247bec54837ad5ef631dd613ff9f3243
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SHA512
09fcf25f769274399aa21b584fdc1d5efe8f1bf9aa50910e3296102e0681567ea8c60cd474fd0b3c4b6f0704fcea787bc754fb57ce903df68a6c62b1e1d1c1a6
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SSDEEP
196608:RhqWfIk7AHkPkRJW9GNZA1HeT39IigaeE9TFa0Z8DOjCdylwo1nz8QW7tx:zQFG8S1+TtIiEY9Z8D8CclPdoPx
Score10/10-
Renames multiple (143) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Modifies Windows Firewall
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Loads dropped DLL
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Drops desktop.ini file(s)
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