General

  • Target
    winrar-x64-722.exe
  • Size 3.6MB
  • Sample260626-hs4wlsat8n
  • SHA256 d669f4e15e9b8fde6e6dcc47697fc5a38b77e1fd5c608cf6423e4eba8df62498
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      winrar-x64-722.exe
    • Size 3.6MB
    • SHA256 d669f4e15e9b8fde6e6dcc47697fc5a38b77e1fd5c608cf6423e4eba8df62498
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Drops file in Drivers directory

    • Event Triggered Execution: AppInit DLLs

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

    • Sets service image path in registry

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

    • Boot or Logon Autostart Execution: Active Setup

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

    • Contacts third-party web service commonly abused for C2

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

    • Downloads MZ/PE file

    • Enumerates connected drives

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

    • Looks up external IP address via web service

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

    • Checks computer location settings

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

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

    • 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.

    • Modifies WinLogon for persistence

    • Probable phishing domain

MITRE ATT&CK Enterprise v16

Tasks