General
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Target
2024-06-18_d9405513b67a7bd4cf23bebb1505315a_ryuk
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Size
4.2MB
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Sample
240618-t625qa1gnf
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MD5
d9405513b67a7bd4cf23bebb1505315a
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SHA1
8b3680dec86cbb5b794ab59beb94e6749c0af28f
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SHA256
e213c6a73787190d2099133276615242f9ddebabd313626b017cf988bf8df05c
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SHA512
ecfe9017025e19e9a18a449a70b6f606a11ab5ab00dae17a8f68c56181f5f8c1fce21e98519e6b31dec50a0d17bdfb2bf212693f809e29e2e03ab456bcedff91
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SSDEEP
49152:GCb9ANPwe04oOlBWD9rqGki0iIGTHI6DOnIIeNxu6xl1aZt6m5xbzDI6bpsRJrAq:m2D8diFIIm3Gob5iEui1E
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-18_d9405513b67a7bd4cf23bebb1505315a_ryuk.exe
Resource
win10v2004-20240508-en
Malware Config
Targets
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Target
2024-06-18_d9405513b67a7bd4cf23bebb1505315a_ryuk
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Size
4.2MB
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MD5
d9405513b67a7bd4cf23bebb1505315a
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SHA1
8b3680dec86cbb5b794ab59beb94e6749c0af28f
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SHA256
e213c6a73787190d2099133276615242f9ddebabd313626b017cf988bf8df05c
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SHA512
ecfe9017025e19e9a18a449a70b6f606a11ab5ab00dae17a8f68c56181f5f8c1fce21e98519e6b31dec50a0d17bdfb2bf212693f809e29e2e03ab456bcedff91
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SSDEEP
49152:GCb9ANPwe04oOlBWD9rqGki0iIGTHI6DOnIIeNxu6xl1aZt6m5xbzDI6bpsRJrAq:m2D8diFIIm3Gob5iEui1E
Score10/10-
Renames multiple (8351) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops startup file
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Adds Run key to start application
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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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