General
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Target
VM rat.exe
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Size
56KB
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Sample
231016-ffn9aabe7z
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MD5
4bb517637614df4307945dc499dff946
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SHA1
2f37e94ea9ab675a0f0bbaad836021afb26936be
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SHA256
297610c47358f4bc5d1ab96ddec7e6dafc8c6cb82784a1a085ab87d7e32ff3c4
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SHA512
a5e55001e9f2d00263890db8963b7af628744db651da03533fc2d2b1d4c2b0364ab3809c1c127f24c0c4548155be3bb27cfcbfc0a61392526c29f8d957ee6f42
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SSDEEP
1536:/mHyZ4yXOOaq+b1LHrb6y2Y/Er6jOznkJkq:/1p+cyhHrb6spOjNq
Behavioral task
behavioral1
Sample
VM rat.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
VM rat.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
xworm
3.1
ANTILOL2113-61842.portmap.host:61842
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Install_directory
%AppData%
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install_file
USB.exe
Targets
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Target
VM rat.exe
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Size
56KB
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MD5
4bb517637614df4307945dc499dff946
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SHA1
2f37e94ea9ab675a0f0bbaad836021afb26936be
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SHA256
297610c47358f4bc5d1ab96ddec7e6dafc8c6cb82784a1a085ab87d7e32ff3c4
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SHA512
a5e55001e9f2d00263890db8963b7af628744db651da03533fc2d2b1d4c2b0364ab3809c1c127f24c0c4548155be3bb27cfcbfc0a61392526c29f8d957ee6f42
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SSDEEP
1536:/mHyZ4yXOOaq+b1LHrb6y2Y/Er6jOznkJkq:/1p+cyhHrb6spOjNq
Score10/10-
Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Detect Xworm Payload
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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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Executes dropped EXE
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Adds Run key to start application
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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