General

  • Target
    f863d41f7813f2ba71f37acbbb91cd076f3bd7186b1aabf6f4c459273168274a
  • Size 5.7MB
  • Sample260716-j22naaf18m
  • SHA256 f863d41f7813f2ba71f37acbbb91cd076f3bd7186b1aabf6f4c459273168274a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      appinstall.8835007.msi
    • Size 5.9MB
    • SHA256 efa610bf4590070de5a9519c52ba474c159a686dd4b0058cef6bc22d77282854
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Windows security bypass

    • Looks for VirtualBox Guest Additions in registry

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Drops file in Drivers directory

    • Looks for VMWare Tools registry key

    • Modifies RDP port number used by Windows

    • Possible privilege escalation attempt

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Disables service(s)

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Adds Run key to start application

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Indicator Removal: Clear Persistence

      Clear artifacts associated with previously established persistence like scheduletasks on a host.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks