General
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Target
d2e194259106bca3b42dc8690d340b59.bin
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Size
335KB
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Sample
230311-b8r4esgb43
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MD5
dd26f40520194b6fc55eedac38461763
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SHA1
ad4fe1d10fdac8c1b67172fdd65e79a08fa4d21f
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SHA256
e895436da58025d7c077ab276708ee996125c811eb8d45f24e14d3facd9db10b
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SHA512
9d4d9d69883393d664fe793f472dafb08bc105ccd0357aa7cbd0b2c53104f433cffb4124344a82b1383af26cd842732f5fbed2bfbcb7437d46c46f31d26ef5d2
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SSDEEP
6144:9avNkLjUUg3BAXZsdy+RWTohDY8x83SNU9sA4C1Y8ZTahZzfPCl2:AVk/UUgxIZlshDY8x8CO9DTY8ZuhdT
Static task
static1
Behavioral task
behavioral1
Sample
788ad5c53b3fc95ff2ae004d0449b76fede8bafad608e0603caca7cd044c8fbc.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
788ad5c53b3fc95ff2ae004d0449b76fede8bafad608e0603caca7cd044c8fbc.exe
Resource
win10v2004-20230221-en
Malware Config
Extracted
C:\ProgramData\RyukReadMe.txt
Vulcanteam@CYBERFEAR.COM
vulcanteam@inboxhub.net
Targets
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Target
788ad5c53b3fc95ff2ae004d0449b76fede8bafad608e0603caca7cd044c8fbc.exe
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Size
767KB
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MD5
d2e194259106bca3b42dc8690d340b59
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SHA1
edcd63a3125854ed72cb5811f08644a87e265e3b
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SHA256
788ad5c53b3fc95ff2ae004d0449b76fede8bafad608e0603caca7cd044c8fbc
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SHA512
4cecf1db68cd71b92b2e968719a365397b3ccd16340a952a8901647e9829b0a6e8d4cb1f948fb792f2cc58e4f6e289fd81cb104b43ddc8469c0671935e653a13
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SSDEEP
12288:RnBkozA9lzIeVJ+OeO+OeNhBBhhBBUA9CGkIDIP6J9kgnDC3TbqUttRrvCsZ+nt2:jkozAjK95DIP4DCDbq8tRrvB
Score10/10-
Clears Windows event logs
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Disables Task Manager via registry modification
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Disables taskbar notifications via registry modification
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Disables use of System Restore points
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Drops startup file
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Modifies file permissions
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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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MITRE ATT&CK Matrix
Collection
Command and Control
Credential Access
Defense Evasion
Indicator Removal on Host
1File Deletion
2Hidden Files and Directories
1File Permissions Modification
1Discovery
Query Registry
1System Information Discovery
2Peripheral Device Discovery
1Execution
Exfiltration
Initial Access
Lateral Movement
Persistence
Scheduled Task
1Privilege Escalation