General

  • Target
    www.mxh4h.com_sample.bin
  • Size 2.8MB
  • Sample261024-exmakssvaz
  • SHA256 0926bc301c8c94c691517f1390b5c5b9d9d68a2ae85a22e088923fd18665fd67
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      install.2.0.08.exe
    • Size 30.5MB
    • SHA256 498fd4bdbf4abf7595b1dff63524c21df2fa0ab3c72564f36e9c117095f97227
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Windows security bypass

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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

    • 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

    • 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