General
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Target
https://github.com/addi00000/empyrean
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Sample
241104-yrmhyaypak
Malware Config
Targets
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Target
https://github.com/addi00000/empyrean
Score10/10-
Detects Empyrean stealer
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Empyrean Stealer
An Open-source information stealer.
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Empyrean family
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Blocklisted process makes network request
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Command and Scripting Interpreter: PowerShell
Powershell Invoke Web Request.
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Downloads MZ/PE file
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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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Drops desktop.ini file(s)
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2
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UPX packed file
Detects executables packed with UPX/modified UPX open source packer.
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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
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
Modify Registry
1Subvert Trust Controls
1SIP and Trust Provider Hijacking
1