General
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Target
fwexe.exe
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Size
84KB
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Sample
230701-jszsbshc4x
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MD5
bc6da13176887a094ff712a2e2a58ba4
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SHA1
e67aff93f62eaf757b3167d86936cb71d653c8cf
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SHA256
cede6ac238893e42da9d3df998429d991ff02cdcd018f7de4e7b379c3d5fdc6a
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SHA512
555a7898693be4d4c5b265a6ed14656515efafd1f03beeb248e6aafafe3638095d39d5eb60589f74b5ca46a2fd835f182ca54ed0e1ad600c53098b57f57ed016
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SSDEEP
1536:qZye8psDhdvoYIflDvf+RBe50UE8Feu6JsuDTpU0WyTwJg:6vdvYlDvWRBeiUDTBwVU0H8O
Behavioral task
behavioral1
Sample
fwexe.exe
Resource
win7-20230621-en
Malware Config
Targets
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Target
fwexe.exe
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Size
84KB
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MD5
bc6da13176887a094ff712a2e2a58ba4
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SHA1
e67aff93f62eaf757b3167d86936cb71d653c8cf
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SHA256
cede6ac238893e42da9d3df998429d991ff02cdcd018f7de4e7b379c3d5fdc6a
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SHA512
555a7898693be4d4c5b265a6ed14656515efafd1f03beeb248e6aafafe3638095d39d5eb60589f74b5ca46a2fd835f182ca54ed0e1ad600c53098b57f57ed016
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SSDEEP
1536:qZye8psDhdvoYIflDvf+RBe50UE8Feu6JsuDTpU0WyTwJg:6vdvYlDvWRBeiUDTBwVU0H8O
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Detect Blackmoon payload
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Downloads MZ/PE file
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Drops file in Drivers directory
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Sets service image path in registry
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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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Loads dropped DLL
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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Drops file in System32 directory
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