General
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Target
AsyncClient.exe
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Size
45KB
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Sample
240907-wd3a5aycrg
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MD5
5142671fa2d46cf8d77065acd3207c28
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SHA1
a5d95297afa5aa80be622d408f0c5177d66b4322
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SHA256
6705e4dbe804386d2bcee3bb9065feef12e8d16999aabf3fffa48e4b60ae7950
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SHA512
1abf6f9e52f131913be6f4472fe2ab52893ee4c27724ed7c41646517ba6936cc162931b674e468327792ac70673308cfc74b8fd86e1f8a25be34820c1e058ea4
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SSDEEP
768:du361TFMBX1WUVLGPmo2qj1KjPGaG6PIyzjbFgX3iOoWzPV4p71C6WBDZ3x:du361TFqG28KTkDy3bCXS8zOF1CBd3x
Malware Config
Extracted
asyncrat
0.5.8
Default
baltekbezmajtek.zapto.org:6606
baltekbezmajtek.zapto.org:7707
baltekbezmajtek.zapto.org:8808
baltekbezmajtek.zapto.org:1605
192.168.8.1:6606
192.168.8.1:7707
192.168.8.1:8808
192.168.8.1:1605
192.168.8.158:6606
192.168.8.158:7707
192.168.8.158:8808
192.168.8.158:1605
CZu6WvgWISic
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delay
3
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install
true
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install_file
WindowsUpdate.exe
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install_folder
%AppData%
Extracted
latentbot
baltekbezmajtek.zapto.org
Targets
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Target
AsyncClient.exe
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Size
45KB
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MD5
5142671fa2d46cf8d77065acd3207c28
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SHA1
a5d95297afa5aa80be622d408f0c5177d66b4322
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SHA256
6705e4dbe804386d2bcee3bb9065feef12e8d16999aabf3fffa48e4b60ae7950
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SHA512
1abf6f9e52f131913be6f4472fe2ab52893ee4c27724ed7c41646517ba6936cc162931b674e468327792ac70673308cfc74b8fd86e1f8a25be34820c1e058ea4
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SSDEEP
768:du361TFMBX1WUVLGPmo2qj1KjPGaG6PIyzjbFgX3iOoWzPV4p71C6WBDZ3x:du361TFqG28KTkDy3bCXS8zOF1CBd3x
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Async RAT payload
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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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