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General
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Target
2023-04-25_88a230528b06c525c64b27905aef17df_ryuk
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Size
3.0MB
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Sample
230426-efmvsaeh68
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MD5
88a230528b06c525c64b27905aef17df
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SHA1
d69533af59e863787f0e914bb62c713ea3db90af
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SHA256
0dfa5754bd91b3605504f8cf49d498d0e3b7ea5d0c3af20bd94eb33d6704626d
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SHA512
a119918d2adcaa80700ddf2fd79d421e2c21c1a881ab1c3bd1081b602e9d97a22b73b92a0b7ad54f0c76f50727adb0a2fc9644e224b4ce2d42c6110539e814b9
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SSDEEP
24576:eEtl9mRda12sX7hKB8NIyXbacAfPNRdpkhtIShJVVTyJNPtx:9Es1RMB8NIMIXDCjVyT
Static task
static1
Behavioral task
behavioral1
Sample
2023-04-25_88a230528b06c525c64b27905aef17df_ryuk.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
2023-04-25_88a230528b06c525c64b27905aef17df_ryuk.exe
Resource
win10v2004-20230220-en
Malware Config
Targets
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Target
2023-04-25_88a230528b06c525c64b27905aef17df_ryuk
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Size
3.0MB
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MD5
88a230528b06c525c64b27905aef17df
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SHA1
d69533af59e863787f0e914bb62c713ea3db90af
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SHA256
0dfa5754bd91b3605504f8cf49d498d0e3b7ea5d0c3af20bd94eb33d6704626d
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SHA512
a119918d2adcaa80700ddf2fd79d421e2c21c1a881ab1c3bd1081b602e9d97a22b73b92a0b7ad54f0c76f50727adb0a2fc9644e224b4ce2d42c6110539e814b9
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SSDEEP
24576:eEtl9mRda12sX7hKB8NIyXbacAfPNRdpkhtIShJVVTyJNPtx:9Es1RMB8NIMIXDCjVyT
Score10/10-
Modifies WinLogon for persistence
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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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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Drops autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
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Drops file in System32 directory
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