General
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Target
9227a139da1fb0755d0cf08d242726bc56633753897948b732878e58db15d6ca
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Size
2.8MB
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Sample
220625-bxlghahaar
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MD5
b22a7f7748f329f11f883697f71f22df
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SHA1
172f2ec1b31de3237e24eeba79084bcd18b50f22
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SHA256
9227a139da1fb0755d0cf08d242726bc56633753897948b732878e58db15d6ca
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SHA512
98867ae1c352ff8ebd2be803fdccdffe5a55fceb2d701245147bdcc9242837ce6f4ff379a68e44c7b36606245b1c84ad1d550cd2b94e05aeeaac4b29179322fb
Static task
static1
Behavioral task
behavioral1
Sample
9227a139da1fb0755d0cf08d242726bc56633753897948b732878e58db15d6ca.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
9227a139da1fb0755d0cf08d242726bc56633753897948b732878e58db15d6ca.exe
Resource
win10v2004-20220414-en
Malware Config
Targets
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Target
9227a139da1fb0755d0cf08d242726bc56633753897948b732878e58db15d6ca
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Size
2.8MB
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MD5
b22a7f7748f329f11f883697f71f22df
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SHA1
172f2ec1b31de3237e24eeba79084bcd18b50f22
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SHA256
9227a139da1fb0755d0cf08d242726bc56633753897948b732878e58db15d6ca
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SHA512
98867ae1c352ff8ebd2be803fdccdffe5a55fceb2d701245147bdcc9242837ce6f4ff379a68e44c7b36606245b1c84ad1d550cd2b94e05aeeaac4b29179322fb
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ServHelper
ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.
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Grants admin privileges
Uses net.exe to modify the user's privileges.
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Modifies RDP port number used by Windows
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Possible privilege escalation attempt
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Sets DLL path for service in the registry
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Loads dropped DLL
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Modifies file permissions
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Drops file in System32 directory
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