General
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Target
2024-06-11_1b78c8d0d0f4c5464b3893206351ff00_ryuk
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Size
664KB
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Sample
240611-tg4l9asfjg
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MD5
1b78c8d0d0f4c5464b3893206351ff00
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SHA1
f513060a24d6b658f048feaaab67916343e70a90
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SHA256
043c8945a6bdf8cfc5e21c80f0d90efcbda88362c058652f279638c6eb272a73
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SHA512
910207075aa58484804a3c7a912080fc60faf5fcb647758e993c2226bc35bc330f426b97b72f20d7786dbc44a006d9d4a3c8141de559ce0c47769cbe91f5654c
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SSDEEP
12288:bs9g8KSSoCU5qJSr1emuUIhRPAYyN80gUA6HUzTshM38vBRG/Ow:LeSoCU5qJSr1emup4YyN80gUzeTkvvG1
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-11_1b78c8d0d0f4c5464b3893206351ff00_ryuk.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-11_1b78c8d0d0f4c5464b3893206351ff00_ryuk.exe
Resource
win10v2004-20240508-en
Malware Config
Targets
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Target
2024-06-11_1b78c8d0d0f4c5464b3893206351ff00_ryuk
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Size
664KB
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MD5
1b78c8d0d0f4c5464b3893206351ff00
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SHA1
f513060a24d6b658f048feaaab67916343e70a90
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SHA256
043c8945a6bdf8cfc5e21c80f0d90efcbda88362c058652f279638c6eb272a73
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SHA512
910207075aa58484804a3c7a912080fc60faf5fcb647758e993c2226bc35bc330f426b97b72f20d7786dbc44a006d9d4a3c8141de559ce0c47769cbe91f5654c
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SSDEEP
12288:bs9g8KSSoCU5qJSr1emuUIhRPAYyN80gUA6HUzTshM38vBRG/Ow:LeSoCU5qJSr1emup4YyN80gUzeTkvvG1
Score10/10-
Renames multiple (1415) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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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