General
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Target
93361aea837c73c75f9067700572262e69d1cfbfa6634e7ea8f249701e1fdebb
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Size
867KB
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Sample
221014-frhkwahch6
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MD5
dac30ab400ec6be2daa29718ea6d0a3e
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SHA1
06320ebc648623885645657fd2a72a728f2441cd
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SHA256
93361aea837c73c75f9067700572262e69d1cfbfa6634e7ea8f249701e1fdebb
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SHA512
67f360d49625822199c133981c4077d88d9ec2347386858f33d08d6b6f37c15af0c56cf9772e0fb819072ab4b63b13eb334237ccd727ce91cad9b68ab47ec58c
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SSDEEP
12288:3ARp0gFW4q6AD9/Gz8hQOFPA/OcMowPzQvEXpqCctQHNM:2igFW4qbx/GY7Y/jw7tICct4a
Static task
static1
Malware Config
Extracted
quasar
2.1.0.0
asdf
checkme12.freeddns.org:1604
VNM_MUTEX_yidaALoSEROfTPWHwX
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encryption_key
TbfVFQWqb0uiZoBjJ9E9
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Venom Client Startup
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subdirectory
UPX
Targets
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Target
93361aea837c73c75f9067700572262e69d1cfbfa6634e7ea8f249701e1fdebb
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Size
867KB
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MD5
dac30ab400ec6be2daa29718ea6d0a3e
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SHA1
06320ebc648623885645657fd2a72a728f2441cd
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SHA256
93361aea837c73c75f9067700572262e69d1cfbfa6634e7ea8f249701e1fdebb
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SHA512
67f360d49625822199c133981c4077d88d9ec2347386858f33d08d6b6f37c15af0c56cf9772e0fb819072ab4b63b13eb334237ccd727ce91cad9b68ab47ec58c
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SSDEEP
12288:3ARp0gFW4q6AD9/Gz8hQOFPA/OcMowPzQvEXpqCctQHNM:2igFW4qbx/GY7Y/jw7tICct4a
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Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Quasar payload
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Executes dropped EXE
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Adds Run key to start application
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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