General

  • Target
    03052026_1649_urpremiuminvite_2026.vbs.zip
  • Size 1KB
  • Sample260503-vbqzmshs4n
  • SHA256 cae353f66e78163a4deb8e61a1316a86450d98a8849bdd093c1d4e200585056c
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://urpremiuminvite.s3.us-east-2.amazonaws.com/LogMeInResolve_Unattended.msi

Targets

    • Target
      urpremiuminvite_2026.vbs
    • Size 3KB
    • SHA256 00644e0c825460375f520c1d3247f7cf7aa67c0235a7a09bca4c10ee7e2f842f
    • MD5 SHA1 SHA512 TLSH
    • 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.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • GoToResolve remote administration tool

      GoToResolve is a remote administration tool that can be used as a backdoor

    • Loads dropped DLL

    • Badlisted process makes network request

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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Enumerates connected drives

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

    • Checks system information in the registry

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks