General

  • Target
    91d05b930d2cdc5dedb4154b57622c455dc49a5fbd573b5bb0edb08e4aa1e5a8
  • Size 8.7MB
  • Sample261105-d23mpaw1cs
  • SHA256 91d05b930d2cdc5dedb4154b57622c455dc49a5fbd573b5bb0edb08e4aa1e5a8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      install.m.1.04.msi
    • Size 8.9MB
    • SHA256 778fb4302f1efeed6996ba2d903f76c7693182073f6d0ffa997ecb78f8648d1b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Windows security bypass

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Possible privilege escalation attempt

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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