General
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Target
23ad77a2be48a81e4460c894c41a35db18308a8f85eb841f5bf7ae99265f7310
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Size
4.4MB
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Sample
230115-gkkmbseg2x
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MD5
afbe6bba36be6ad384e6feccab258960
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SHA1
45c076d83c648f195444799aa2eacaf7dde7392a
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SHA256
23ad77a2be48a81e4460c894c41a35db18308a8f85eb841f5bf7ae99265f7310
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SHA512
420449e730f3e9ccf2d2680ef3f51c7e6d8c78a1dd5de8ee23d2726b1aec011a861bae97644e404bf1fea4944a06fe4d14f39a870ce5a9aa7cd3f916d9f55f50
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SSDEEP
98304:GJ4izQvct0rXAAlWmUX5vLxwvfYSU3YD6Si4ftjZWIVTpj1JEOux5uA3mm:GJ/zQvcYAAXUlxcfYRYDZi46IJ3JEO4B
Static task
static1
Behavioral task
behavioral1
Sample
23ad77a2be48a81e4460c894c41a35db18308a8f85eb841f5bf7ae99265f7310.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
23ad77a2be48a81e4460c894c41a35db18308a8f85eb841f5bf7ae99265f7310.exe
Resource
win10v2004-20221111-en
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\@Please_Read_Me@.txt
wannacry
115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn
Extracted
C:\Users\Admin\AppData\Local\Temp\@Please_Read_Me@.txt
wannacry
13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94
Targets
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Target
23ad77a2be48a81e4460c894c41a35db18308a8f85eb841f5bf7ae99265f7310
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Size
4.4MB
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MD5
afbe6bba36be6ad384e6feccab258960
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SHA1
45c076d83c648f195444799aa2eacaf7dde7392a
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SHA256
23ad77a2be48a81e4460c894c41a35db18308a8f85eb841f5bf7ae99265f7310
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SHA512
420449e730f3e9ccf2d2680ef3f51c7e6d8c78a1dd5de8ee23d2726b1aec011a861bae97644e404bf1fea4944a06fe4d14f39a870ce5a9aa7cd3f916d9f55f50
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SSDEEP
98304:GJ4izQvct0rXAAlWmUX5vLxwvfYSU3YD6Si4ftjZWIVTpj1JEOux5uA3mm:GJ/zQvcYAAXUlxcfYRYDZi46IJ3JEO4B
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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Adds Run key to start application
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Sets desktop wallpaper using registry
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