General
Static task
static1
URLScan task
urlscan1
Malware Config
Extracted
quasar
1.4.1
test
10.127.1.151:4782
6ad6d219-14d0-45fc-bc95-cf3c78799528
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encryption_key
0FA38A3015CB7FF12D0B18A28ADA4A3D2F290B41
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install_name
Windows Updater.exe
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log_directory
Logs
-
reconnect_delay
1
-
startup_key
Windows Updater
-
subdirectory
SubDir
Targets
-
-
Target
https://github.com/quasar/Quasar
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Quasar family
-
Quasar payload
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Downloads MZ/PE file
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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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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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Drops desktop.ini file(s)
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Legitimate hosting services abused for malware hosting/C2
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Modify Registry
3Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1