General
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Target
ec662c73279f4a3772e3e549b07bcd67803292981afae931df4b63d47f6ac2a9.exe.zip
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Size
72KB
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Sample
231031-rjdgqsbf88
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MD5
0d79af89964c9b1231c63e050bae156b
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SHA1
221b839fc9ba3f8fff7ea6a3be4bcdd6d0eea982
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SHA256
9f66cd328b81e9b9771baf08fda1c25dccc2a91f3cbf1b47c66fdfe395f2e16a
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SHA512
6174299d191a5dafc1677a24369880272c64945d63ab81c82defbf0860daf58ec500a881b01157b62d7a3186a1206e2c3449f57cb048d389ed9c447389b52b95
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SSDEEP
1536:H0R6UvypjfuhiSugluQysjcn0PP5du7KoCuK3lLB0hOVwNf:H6XCT4FLjcn0HqGoCuK1L29Nf
Behavioral task
behavioral1
Sample
ec662c73279f4a3772e3e549b07bcd67803292981afae931df4b63d47f6ac2a9.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
ec662c73279f4a3772e3e549b07bcd67803292981afae931df4b63d47f6ac2a9.exe
Resource
win10v2004-20231025-en
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\RyukReadMe.html
ryuk
Targets
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Target
ec662c73279f4a3772e3e549b07bcd67803292981afae931df4b63d47f6ac2a9.exe
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Size
76KB
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MD5
1fff77fb1958e7f730bb4de627a24d57
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SHA1
c3b071d324f095381bc604a46e1b8c5a89c68822
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SHA256
ec662c73279f4a3772e3e549b07bcd67803292981afae931df4b63d47f6ac2a9
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SHA512
53842ccf9a28f908f3e4ded42e5e925ce5c737c3b6458c6287f298cea948ecbac9ad18369f6b20665d6e0336e38b51d6aad43ec3bfbc155880b9361eef7acc61
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SSDEEP
1536:+ukv6BlkOCJSlq3//M/NqKTmPCQASm/dKRYHQiY0aB6:yvqlkOCJSQ3XM4P4SaKRYwF0aB
Score10/10-
Renames multiple (1465) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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