General
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Target
36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245
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Size
1.3MB
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Sample
241017-zg9fdsybpm
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MD5
30d7dcd4a107420445b82d57586d0653
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SHA1
4eb0382ba81011804dfdd4d93d1338cfc151d0db
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SHA256
36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245
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SHA512
80e2d01dfe55bf94cafaa8ad1cd42f62741e54b08b36e1c95f517c254a08297eb65f0df9ef8bd3c8e516c5324de263662aed168b20517523cdad255d57d6163b
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SSDEEP
24576:J9sQDSz3eoh5SpYkryz8u9FYeWPJOFL64zAtb:JSGjnbPJOQ4zmb
Behavioral task
behavioral1
Sample
36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245.exe
Resource
win7-20241010-en
Malware Config
Extracted
quasar
1.3.0.0
RARX
titine555.ddns.net:7276
QSR_MUTEX_USHHV6Bt9sa1Tgpylt
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encryption_key
0J7VRBDdOUAjK9gEtWzF
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install_name
Update service.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
service update
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subdirectory
microsofte
Targets
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Target
36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245
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Size
1.3MB
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MD5
30d7dcd4a107420445b82d57586d0653
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SHA1
4eb0382ba81011804dfdd4d93d1338cfc151d0db
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SHA256
36dfd5a4664c2d1e078b1258f718f944d7c2f517e274e2a78217387e809b5245
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SHA512
80e2d01dfe55bf94cafaa8ad1cd42f62741e54b08b36e1c95f517c254a08297eb65f0df9ef8bd3c8e516c5324de263662aed168b20517523cdad255d57d6163b
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SSDEEP
24576:J9sQDSz3eoh5SpYkryz8u9FYeWPJOFL64zAtb:JSGjnbPJOQ4zmb
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Detect Neshta payload
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Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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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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Modifies system executable filetype association
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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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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Event Triggered Execution
1Change Default File Association
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Event Triggered Execution
1Change Default File Association
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1