General
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Target
1f40225b21f035d11c1d21b13e51fcc1be6be091825cf876977fe63ee51ff5e6N.exe
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Size
349KB
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Sample
250119-svk7dstqgj
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MD5
dabfb0447a6890da9fe713ac91062340
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SHA1
fd57dd243e2a0ef131433eb433c9f007bed44a90
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SHA256
1f40225b21f035d11c1d21b13e51fcc1be6be091825cf876977fe63ee51ff5e6
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SHA512
87d156130e4aecb2fc163ebc2784674c11fc0941e794655031b0c4261d2f602665863972989ac55485c097cf475c5f4801ef618cf0fe5cab284411fd708d1066
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SSDEEP
6144:UsLqdufVUNDaq5/uqlCWuXecmE4b3eJRB/W:PFUNDa0uqlCWXcmEAeJRBW
Behavioral task
behavioral1
Sample
1f40225b21f035d11c1d21b13e51fcc1be6be091825cf876977fe63ee51ff5e6N.exe
Resource
win7-20240903-en
Malware Config
Extracted
quasar
1.3.0.0
New World
x75tjpwatl2uyunijiq6jwqhlar3j5fkpi5optv7tfreijbpylwnnbqd.onion:8880
QSR_MUTEX_d2kuBEHahLdNktTZE5
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encryption_key
gAMhb8JSxFP4DNFkynoe
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install_name
Java.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Java
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subdirectory
Java
Targets
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Target
1f40225b21f035d11c1d21b13e51fcc1be6be091825cf876977fe63ee51ff5e6N.exe
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Size
349KB
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MD5
dabfb0447a6890da9fe713ac91062340
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SHA1
fd57dd243e2a0ef131433eb433c9f007bed44a90
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SHA256
1f40225b21f035d11c1d21b13e51fcc1be6be091825cf876977fe63ee51ff5e6
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SHA512
87d156130e4aecb2fc163ebc2784674c11fc0941e794655031b0c4261d2f602665863972989ac55485c097cf475c5f4801ef618cf0fe5cab284411fd708d1066
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SSDEEP
6144:UsLqdufVUNDaq5/uqlCWuXecmE4b3eJRB/W:PFUNDa0uqlCWXcmEAeJRBW
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Modifies visiblity of hidden/system files in Explorer
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Quasar family
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Quasar payload
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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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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
Persistence
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
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2