General
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Target
af1d446bb3abc47b5eacb7a00ebb1992be1c464cac5b0e4283b12f0500c3ad4e
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Size
534KB
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Sample
221014-frhkwahch5
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MD5
17e6bffaff1ea223913deb1bc78e74ae
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SHA1
67daf17f3c8f6d2169b24f9a3698921991bbba2f
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SHA256
af1d446bb3abc47b5eacb7a00ebb1992be1c464cac5b0e4283b12f0500c3ad4e
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SHA512
72086bdd67ce5c778a625d37d7069200747b70193742afee986ec3d58b3a4a5c95b206c91997faf5d3e46e7ab379955db5f033a8b10a4a4899ff6e6068c60ab6
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SSDEEP
6144:l8fGABIgrx8kFYLTiMkbMaOcXL/Tb88ASigvCcD+6cfsfiTDpxUKl3Gy3V8/GV0S:EPx7FYPiMNA/flvCcqTsfGpxLl+u
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
af1d446bb3abc47b5eacb7a00ebb1992be1c464cac5b0e4283b12f0500c3ad4e
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Size
534KB
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MD5
17e6bffaff1ea223913deb1bc78e74ae
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SHA1
67daf17f3c8f6d2169b24f9a3698921991bbba2f
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SHA256
af1d446bb3abc47b5eacb7a00ebb1992be1c464cac5b0e4283b12f0500c3ad4e
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SHA512
72086bdd67ce5c778a625d37d7069200747b70193742afee986ec3d58b3a4a5c95b206c91997faf5d3e46e7ab379955db5f033a8b10a4a4899ff6e6068c60ab6
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SSDEEP
6144:l8fGABIgrx8kFYLTiMkbMaOcXL/Tb88ASigvCcD+6cfsfiTDpxUKl3Gy3V8/GV0S:EPx7FYPiMNA/flvCcqTsfGpxLl+u
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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