General

  • Target
    lvrium_loader.exe
  • Size 322KB
  • Sample260626-te21msds7k
  • SHA256 2323c22b25cdbfd64e56b20232ef83159610bdcddd34f1f5ea9c4165248f0015
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      lvrium_loader.exe
    • Size 322KB
    • SHA256 2323c22b25cdbfd64e56b20232ef83159610bdcddd34f1f5ea9c4165248f0015
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Modifies WinLogon for persistence

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Adds policy Run key to start application

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Boot or Logon Autostart Execution: Port Monitors

      Adversaries may use port monitors to run an adversary supplied DLL during system boot for persistence or privilege escalation.

    • Disables one or more Microsoft Defender components

      Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

    • Event Triggered Execution: AppInit DLLs

      Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

    • Event Triggered Execution: Image File Execution Options Injection

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • Registers new Windows logon scripts automatically executed at logon.

    • Stops running service(s)

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks