General

  • Target

    Boy-Scout-Advancement-Excel-Spreadsheet.exe

  • Size

    107.6MB

  • Sample

    221117-t7dthseh95

  • MD5

    b997b48b39e87290faba86584d784354

  • SHA1

    d0755aef2c751f34fc7af18724cbac25355dd145

  • SHA256

    44573b35155c537eaa49d77bf8251f796f0db00c3e99be315e8e340fb24bdda2

  • SHA512

    e3bd284ab11b965d37c9accb2825bed60c5eb04c2db3bfc192404b21210e8d641106ef7be84c7e2e8f3fdc47831f3f38c0b5270d15cc1fb174159746b474a40b

  • SSDEEP

    196608:sb3tq/qkMTe5v9OhQ4XPH7tNSdDawF4eEpUgCRNj7AJZQzJ////////////////k:sb9KcOY3vAawF4vpUgCRNPAo8bcJk

Malware Config

Targets

    • Target

      Boy-Scout-Advancement-Excel-Spreadsheet.exe

    • Size

      107.6MB

    • MD5

      b997b48b39e87290faba86584d784354

    • SHA1

      d0755aef2c751f34fc7af18724cbac25355dd145

    • SHA256

      44573b35155c537eaa49d77bf8251f796f0db00c3e99be315e8e340fb24bdda2

    • SHA512

      e3bd284ab11b965d37c9accb2825bed60c5eb04c2db3bfc192404b21210e8d641106ef7be84c7e2e8f3fdc47831f3f38c0b5270d15cc1fb174159746b474a40b

    • SSDEEP

      196608:sb3tq/qkMTe5v9OhQ4XPH7tNSdDawF4eEpUgCRNj7AJZQzJ////////////////k:sb9KcOY3vAawF4vpUgCRNPAo8bcJk

    • Jupyter, SolarMarker

      Jupyter is a backdoor and infostealer first seen in mid 2020.

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Registers COM server for autorun

    • Registers new Print Monitor

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Enumerates connected drives

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

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks