General
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Target
2026.vbs
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Size
275KB
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Sample
250130-k1vn1symfq
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MD5
3036e9c4718042d10f79bfff33890123
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SHA1
506e3824f97a346ebfac946aaf19b13defa80cac
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SHA256
027ff65365c4f69731be566e541127a63d993d26f68738a462ec63b667226990
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SHA512
6cc407e53f5057a3469dc4cd62586cfa740339adcde218ef54446e9af75165aa08bbc088ec9f02015334c4f9abd4e3d69db4eb2ced0c66e8f8e3e1b1f4e70ebc
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SSDEEP
3072:S9bhZuU+jd2EOHov4nc8b5tBuyAUvmSWBQ0MY5abVt+/710ROsvTkRoaDSyav3DW:CbhAZd2EOdTN7vrV0M2abV4jaTbwDEC
Static task
static1
Behavioral task
behavioral1
Sample
2026.vbs
Resource
win7-20241010-en
Malware Config
Extracted
quasar
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reconnect_delay
3000
Targets
-
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Target
2026.vbs
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Size
275KB
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MD5
3036e9c4718042d10f79bfff33890123
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SHA1
506e3824f97a346ebfac946aaf19b13defa80cac
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SHA256
027ff65365c4f69731be566e541127a63d993d26f68738a462ec63b667226990
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SHA512
6cc407e53f5057a3469dc4cd62586cfa740339adcde218ef54446e9af75165aa08bbc088ec9f02015334c4f9abd4e3d69db4eb2ced0c66e8f8e3e1b1f4e70ebc
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SSDEEP
3072:S9bhZuU+jd2EOHov4nc8b5tBuyAUvmSWBQ0MY5abVt+/710ROsvTkRoaDSyav3DW:CbhAZd2EOdTN7vrV0M2abV4jaTbwDEC
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Quasar family
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Quasar payload
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Blocklisted process makes network request
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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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Adds Run key to start application
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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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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
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
1