General
Static task
static1
URLScan task
urlscan1
Malware Config
Targets
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Target
https://softwareupdate.vmware.com/cds/vmw-desktop/player/17.5.2/23775571/windows/core/
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Drops file in Drivers directory
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Looks for VMWare Tools registry key
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Looks for VMWare drivers on disk
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Looks for VMWare services registry key.
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Sets service image path in registry
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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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Registers COM server for autorun
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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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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Defense Evasion
Modify Registry
3Pre-OS Boot
1Bootkit
1Virtualization/Sandbox Evasion
3