General

  • Target
    https://www.dropbox.com/scl/fi/t2yr1bjvpnm631kp0at5m/Software-Cloud.zip?rlkey=j2p3u0buwsf5rjy7164q1wzmj&dl=1
  • Sample260827-rl5c8swdkd

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://www.win-rar.com/fileadmin/winrar-versions/downloader/versions.xml

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://www.win-rar.com/fileadmin/winrar-versions/winrar/winrar-x64-723.exe

Targets

    • Target
      https://www.dropbox.com/scl/fi/t2yr1bjvpnm631kp0at5m/Software-Cloud.zip?rlkey=j2p3u0buwsf5rjy7164q1wzmj&dl=1
    • Badlisted process makes network request

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • 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

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

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

MITRE ATT&CK Enterprise v16

Tasks