General

  • Target
    www.skmac811.com_sample.bin
  • Size 3.8MB
  • Sample261019-bb81nscw4y
  • SHA256 3b052283f9cfb8df79e51df479b7448d80f48bad91f836e035a8573e2b35fc4c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      install.2.0.03.exe
    • Size 30.0MB
    • SHA256 993ba1e252d9d12ea9a8af5b515c5b6a1da060812e0bda0943def8dc870c5656
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Windows security bypass

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Possible privilege escalation attempt

    • Disables service(s)

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Adds Run key to start application

    • 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