General
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Target
CritScript.exe
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Size
3.2MB
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Sample
241213-l19zdavlax
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MD5
c28dc010fc5198442496bc07dd50cd5d
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SHA1
0f90a005815c2700a65ea85ae86f13a182cc11e6
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SHA256
1b701daded4124260a49040d83dec15c627b8e4a1a04dc378aae7fecfca3abf3
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SHA512
7c94bafa48db045a864a778a010a7d1d03204828bd103a86c1267732a51260b0e689a799cc7e95410ceedd1254fb91aa3f19f62efa3e41e40be645862a4e07e2
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SSDEEP
49152:IuvyI22SsaNYfdPBldt698dBcjH7BhSR1J/xoGdoTHHB72eh2NT:Iuvf22SsaNYfdPBldt6+dBcjH7BhSb
Behavioral task
behavioral1
Sample
CritScript.exe
Resource
win7-20240903-en
Malware Config
Extracted
quasar
1.4.1
DDNS
193.161.193.99:32471
807f3187-d087-4fff-beff-e73293a32af8
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encryption_key
81A0C14D4C705B3C678E573C849DE7F6A3671A8B
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install_name
jusched.exe
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log_directory
CachedLogs
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reconnect_delay
3000
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startup_key
Java Update Scheduler
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subdirectory
Java
Targets
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Target
CritScript.exe
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Size
3.2MB
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MD5
c28dc010fc5198442496bc07dd50cd5d
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SHA1
0f90a005815c2700a65ea85ae86f13a182cc11e6
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SHA256
1b701daded4124260a49040d83dec15c627b8e4a1a04dc378aae7fecfca3abf3
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SHA512
7c94bafa48db045a864a778a010a7d1d03204828bd103a86c1267732a51260b0e689a799cc7e95410ceedd1254fb91aa3f19f62efa3e41e40be645862a4e07e2
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SSDEEP
49152:IuvyI22SsaNYfdPBldt698dBcjH7BhSR1J/xoGdoTHHB72eh2NT:Iuvf22SsaNYfdPBldt6+dBcjH7BhSb
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Quasar family
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Quasar payload
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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