General
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Target
WANACRYPTOR.bin.zip
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Size
3.3MB
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Sample
201104-yf9b7jv1an
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MD5
574c4871439d748fbd3e9ad0387072bb
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SHA1
38312d6e46847227afc6ec6a1b20be7c035dbff3
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SHA256
c1423615b067edb1cf5c478d761a78682208833568f45654cf1dbb06fd11825b
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SHA512
66c533f6f702b5e420e1d1d7b0530d38c0c0a80097cd31c7cc49720cf56ea653b380d98924595573b9fd25241ed42679fd3850927cd3a2d0be6b2e683bcd1db3
Static task
static1
Behavioral task
behavioral1
Sample
WANACRYPTOR.bin.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
WANACRYPTOR.bin.exe
Resource
win10v20201028
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\@[email protected]
wannacry
115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn
Extracted
C:\Users\Admin\AppData\Local\Temp\@[email protected]
wannacry
12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw
Targets
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Target
WANACRYPTOR.bin
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Size
3.4MB
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MD5
84c82835a5d21bbcf75a61706d8ab549
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SHA1
5ff465afaabcbf0150d1a3ab2c2e74f3a4426467
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SHA256
ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa
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SHA512
90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244
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Executes dropped EXE
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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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Drops startup file
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Loads dropped DLL
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Modifies file permissions
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application
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JavaScript code in executable
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Modifies service
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Sets desktop wallpaper using registry
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