General

  • Target
    https://mega.nz/file/L1wARJaB#rYmLZ_8WxXtcGlv1cWtddJtnsDffHoT_eZChVxVgfa8
  • Sample241107-vrss6swerj

Malware Config

Targets

    • Target
      https://mega.nz/file/L1wARJaB#rYmLZ_8WxXtcGlv1cWtddJtnsDffHoT_eZChVxVgfa8
    • Downloads MZ/PE file

    • A potential corporate email address has been identified in the URL: 67C716D751E567F70A490D4C@AdobeOrg

    • Checks computer location settings

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

    • 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.

    • 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.

    • 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 v15

Tasks