General
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Target
08285499.exe
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Size
4.2MB
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Sample
230606-s62crafa6t
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MD5
cf34431cd2875715a721489433fabd1e
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SHA1
238970c3592449cfa29d39f57a870bec10e606fa
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SHA256
a241905c157079213f05bfc837f7c4c5f8b666a857d623c1d99153655f54e85b
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SHA512
73a9bd9a2a61aede277d7236624ee635dc1901e2a461b9bb2dbd2e04d552ea6693c3caba39d094cb1c2cd128b4a5f845b7dc66d4750c737d603353fa09a7ca02
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SSDEEP
98304:KwPHzJGsSBKd2SXXNMk8lMY/ndSjzYudYViNA+e49:K+TDj6tfAjsuTVeM
Malware Config
Targets
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Target
08285499.exe
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Size
4.2MB
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MD5
cf34431cd2875715a721489433fabd1e
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SHA1
238970c3592449cfa29d39f57a870bec10e606fa
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SHA256
a241905c157079213f05bfc837f7c4c5f8b666a857d623c1d99153655f54e85b
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SHA512
73a9bd9a2a61aede277d7236624ee635dc1901e2a461b9bb2dbd2e04d552ea6693c3caba39d094cb1c2cd128b4a5f845b7dc66d4750c737d603353fa09a7ca02
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SSDEEP
98304:KwPHzJGsSBKd2SXXNMk8lMY/ndSjzYudYViNA+e49:K+TDj6tfAjsuTVeM
Score10/10-
Glupteba
Glupteba is a modular loader written in Golang with various components.
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Glupteba payload
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Windows security bypass
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Modifies boot configuration data using bcdedit
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Drops file in Drivers directory
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Modifies Windows Firewall
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Possible attempt to disable PatchGuard
Rootkits can use kernel patching to embed themselves in an operating system.
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Executes dropped EXE
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Loads dropped DLL
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UPX packed file
Detects executables packed with UPX/modified UPX open source packer.
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Windows security modification
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMon driver.
Roottkits write to WinMon to hide PIDs from being detected.
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Manipulates WinMonFS driver.
Roottkits write to WinMonFS to hide directories/files from being detected.
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Drops file in System32 directory
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