General

  • Target

    https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqa3pxSk5sV2EzLXlNTDFoWm1fOXI5cG82bVNrZ3xBQ3Jtc0tsVXdyWXJGX1BHUjdGSXByS0VNVkxQalhBMS03VWhVdDg2bEo0ZUY1NHNsWktYNjhZMEdnSjMzb3ZQc2p0dU8yZTlDNGVHcVhYRFdEOE9ZT1Y4UGJBc2M0UmtpZVJfcmlzNVhfNEc3alR4MHdyU0Jobw&q=http%3A%2F%2Fcursoexcelvba.com.br%2Fproduto%2FInstalar-Visual-Basic-6.0-no-Windows-10-Curso-Excel%2F83%2F&v=n4GNcnvgVNM

  • Sample

    230404-3gywfaaf73

Malware Config

Targets

    • Target

      https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqa3pxSk5sV2EzLXlNTDFoWm1fOXI5cG82bVNrZ3xBQ3Jtc0tsVXdyWXJGX1BHUjdGSXByS0VNVkxQalhBMS03VWhVdDg2bEo0ZUY1NHNsWktYNjhZMEdnSjMzb3ZQc2p0dU8yZTlDNGVHcVhYRFdEOE9ZT1Y4UGJBc2M0UmtpZVJfcmlzNVhfNEc3alR4MHdyU0Jobw&q=http%3A%2F%2Fcursoexcelvba.com.br%2Fproduto%2FInstalar-Visual-Basic-6.0-no-Windows-10-Curso-Excel%2F83%2F&v=n4GNcnvgVNM

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Sets service image path in registry

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Registers COM server for autorun

    • Windows security modification

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Persistence

Registry Run Keys / Startup Folder

3
T1060

Bootkit

1
T1067

Defense Evasion

Modify Registry

4
T1112

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Security Software Discovery

1
T1063

Query Registry

5
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Data from Local System

1
T1005

Tasks