General
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Target
https://mega.nz/file/NLsnhTyJ#91zCwGKWYhC8ADTDIenasVW9U-KdcRWziT0pIvIsCGI
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Sample
250105-zwqltswlb1
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://mega.nz/file/NLsnhTyJ#91zCwGKWYhC8ADTDIenasVW9U-KdcRWziT0pIvIsCGI
Resource
win10v2004-20241007-en
Malware Config
Extracted
quasar
1.3.0.0
loomis
sytemmediacom.hopto.org:4444
QSR_MUTEX_AaT6YOWjH9nv7lraZU
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encryption_key
l1npLAHvnEPdMOUavOPM
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install_name
svhostt.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
svhostt
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subdirectory
SubDir
Targets
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Target
https://mega.nz/file/NLsnhTyJ#91zCwGKWYhC8ADTDIenasVW9U-KdcRWziT0pIvIsCGI
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Quasar family
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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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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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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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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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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Scheduled Task/Job
1Scheduled Task
1