General
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Target
https://ezfn-dev.pages.dev/EzFN-Manager.exe
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Sample
241129-vvncvsskbp
Static task
static1
URLScan task
urlscan1
Malware Config
Extracted
skuld
https://discord.com/api/webhooks/1311796799056642069/DZAARj1m1s41Duw_NVm0R1WEiCCmxLSz958Og9J2EkacrXip7sOXmhO-dXGo69BwUPS3
Extracted
xworm
5.0
koop3490-49895.portmap.host:49895
En5bnFe6Zj6gHTS9
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Install_directory
%ProgramData%
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install_file
WinRar.exe
Targets
-
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Target
https://ezfn-dev.pages.dev/EzFN-Manager.exe
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Detect Xworm Payload
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Skuld family
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Xworm family
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Downloads MZ/PE file
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Drops startup file
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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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
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
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
1Subvert Trust Controls
1SIP and Trust Provider Hijacking
1Discovery
Browser Information Discovery
1Network Share Discovery
1Peripheral Device Discovery
2Query Registry
5System Information Discovery
5System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1