General
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Target
C4Loader.exe
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Size
855KB
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Sample
230404-ntdnpsef44
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MD5
c5da2ceab187e9312e30ada95a65b7df
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SHA1
d79c14118f6a767447da7bb25c752fa5861be201
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SHA256
fb0c637754e3546971be2c4ba4aa9e63f54948421c751b74e748f1fb3bbae955
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SHA512
e4bb03aaaeef87a774787a03554559cda2c0d14495ad8fc9e7728d702819562f7975cabfc713625a83cb167da3b377a80e12674a28932d7da650a78403468c3e
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SSDEEP
3072:/gtlYTIQ2Y0A2Zf4DGrHUNc8z44jcK1Y3Vmirw:IvQ25A/i4jwK1YJ8
Static task
static1
Behavioral task
behavioral1
Sample
C4Loader.exe
Resource
win7-20230220-en
Malware Config
Extracted
aurora
107.182.129.73:8081
Targets
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Target
C4Loader.exe
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Size
855KB
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MD5
c5da2ceab187e9312e30ada95a65b7df
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SHA1
d79c14118f6a767447da7bb25c752fa5861be201
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SHA256
fb0c637754e3546971be2c4ba4aa9e63f54948421c751b74e748f1fb3bbae955
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SHA512
e4bb03aaaeef87a774787a03554559cda2c0d14495ad8fc9e7728d702819562f7975cabfc713625a83cb167da3b377a80e12674a28932d7da650a78403468c3e
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SSDEEP
3072:/gtlYTIQ2Y0A2Zf4DGrHUNc8z44jcK1Y3Vmirw:IvQ25A/i4jwK1YJ8
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Blocklisted process makes network request
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Downloads MZ/PE file
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Drops file in Drivers directory
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Stops running service(s)
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Executes dropped EXE
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Loads dropped DLL
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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