General
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Target
MalwareDownloader2.1.exe
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Size
7.1MB
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Sample
210302-l4wt18jxvn
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MD5
53be36b74b6124f80cede2e9fe49ef35
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SHA1
aec8c32b3c3b8a0100b930cdf6b6632da2509ec4
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SHA256
66056e1c2ae89e116d235f70b838391efec6b33e93d09de0b3f66507e3087e4f
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SHA512
902d80e35c4b3778b68a0c94b3bb6a007c6f5232a53f6d907c0cf1b639df1ce17d685a98035b0fcfcf306500a46617c51bafb36bba4ab81f15f8cf96bfb9b6f4
Static task
static1
Behavioral task
behavioral1
Sample
MalwareDownloader2.1.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
MalwareDownloader2.1.exe
Resource
win10v20201028
Malware Config
Targets
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Target
MalwareDownloader2.1.exe
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Size
7.1MB
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MD5
53be36b74b6124f80cede2e9fe49ef35
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SHA1
aec8c32b3c3b8a0100b930cdf6b6632da2509ec4
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SHA256
66056e1c2ae89e116d235f70b838391efec6b33e93d09de0b3f66507e3087e4f
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SHA512
902d80e35c4b3778b68a0c94b3bb6a007c6f5232a53f6d907c0cf1b639df1ce17d685a98035b0fcfcf306500a46617c51bafb36bba4ab81f15f8cf96bfb9b6f4
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Modifies WinLogon for persistence
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ACProtect 1.3x - 1.4x DLL software
Detects file using ACProtect software.
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Disables RegEdit via registry modification
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Disables Task Manager via registry modification
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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Drops file in System32 directory
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