General

  • Target
    few.exe
  • Size 2.3MB
  • Sample260825-wtz6psdk6z
  • SHA256 f12d37fa7c103244ad7a7325c5a129b054c5053f20e2cea7054acb3bb51ce513
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      few.exe
    • Size 2.3MB
    • SHA256 f12d37fa7c103244ad7a7325c5a129b054c5053f20e2cea7054acb3bb51ce513
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Enumerates VirtualBox registry keys

    • Looks for VirtualBox Guest Additions in registry

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Looks for VMWare Tools registry key

    • Checks computer location settings

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

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Disables service(s)

    • Executes dropped EXE

    • Stops running service(s)

    • Adds Run key to start application

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Maps connected drives based on registry

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

    • Drops file in System32 directory

    • Executes a VBScript file via the Windows Script Host.

MITRE ATT&CK Enterprise v16

Tasks