General
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Target
50b2e0afea299c4e8d079367ef95afeb700f9dc0dc05eee018ed2348ef38dc90
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Size
6.2MB
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Sample
220310-xd19haabb6
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MD5
942b78bcd8a5aa6d10436832b1260671
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SHA1
e35e87e58f94e304dd0b97e9b85c6cb30146978d
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SHA256
50b2e0afea299c4e8d079367ef95afeb700f9dc0dc05eee018ed2348ef38dc90
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SHA512
89baba3a305d1d6969b68e4f63c294a861fc755f65ac6d0f5a67f7d6b7aa26cd852f78ce0441af489a70991a9cd0887388687d89efd0f1fb95fb316490d030e3
Static task
static1
Behavioral task
behavioral1
Sample
50b2e0afea299c4e8d079367ef95afeb700f9dc0dc05eee018ed2348ef38dc90.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
50b2e0afea299c4e8d079367ef95afeb700f9dc0dc05eee018ed2348ef38dc90.exe
Resource
win10v2004-en-20220113
Malware Config
Extracted
quasar
2.1.0.0
Windows Security Notification
minecraftgaming009-61323.portmap.io:61323
VNM_MUTEX_c2q7y2ayYutZ2XaYe7
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encryption_key
1oSvdU99XhcwnNYl3rB8
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install_name
Windows Security Notification.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Windows Security Notification
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subdirectory
SubDir
Extracted
quasar
1.4.0.0
Steam
Minecrafthosting6969-35389.portmap.io:35389
EAojkiVMQ0sDtyACyi
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encryption_key
P5xHRD8P5ncR2T1uRpgp
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install_name
Steam.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Steam
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subdirectory
SubDir
Targets
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Target
50b2e0afea299c4e8d079367ef95afeb700f9dc0dc05eee018ed2348ef38dc90
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Size
6.2MB
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MD5
942b78bcd8a5aa6d10436832b1260671
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SHA1
e35e87e58f94e304dd0b97e9b85c6cb30146978d
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SHA256
50b2e0afea299c4e8d079367ef95afeb700f9dc0dc05eee018ed2348ef38dc90
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SHA512
89baba3a305d1d6969b68e4f63c294a861fc755f65ac6d0f5a67f7d6b7aa26cd852f78ce0441af489a70991a9cd0887388687d89efd0f1fb95fb316490d030e3
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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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Modifies security service
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Quasar Payload
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NirSoft WebBrowserPassView
Password recovery tool for various web browsers
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Nirsoft
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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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Deletes itself
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Drops startup file
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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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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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Drops file in System32 directory
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