Overview

overview

8

Static

static

1

URLScan

urlscan

https://download-win...

windows10-2004-x64

8

Sharing

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General

  • Target
    https://download-windows.grammarly.com/new_50/w/GrammarlyInstaller.exe?browserName=chrome&containerId=ffwsar47b2o207o2&state=Nigyw
  • Sample260729-b2vwqsem2t
Score
8/10
defense_evasiondiscoverypersistencespywaretrojan

Malware Config

Targets

    • Target
      https://download-windows.grammarly.com/new_50/w/GrammarlyInstaller.exe?browserName=chrome&containerId=ffwsar47b2o207o2&state=Nigyw
    Score
    8/10
    defense_evasiondiscoverypersistencespywaretrojan

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

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

      discovery

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery

    • Enumerates processes with tasklist

      discovery
    behavioral1

MITRE ATT&CK Enterprise v16

Tasks