General

  • Target

    windows update.exe

  • Size

    76.5MB

  • Sample

    240802-qbqlna1gnc

  • MD5

    0cf0b1a0d4ddcf3e9ff391acf06adf74

  • SHA1

    a2795e52bbd984640f8178e5af63109d3368537d

  • SHA256

    13d1623ec2530efe0741550cf19a5ca5861c57f979227807dc99337c43496065

  • SHA512

    396c91ef4b5ec7cdb7eaaa2d92f9f820bb28e207de2a622832a745ae90a8e71b5ba86bf8d09a98e54f4b3737d3a99590dba668d8dbfdf9b1c89e18ab23a5dd87

  • SSDEEP

    1572864:JvHcRlPSk8IpG7V+VPhqYdfME7FFlHFziYweyJulZUdgAdW4zjtux3a/Z9U:JvHcRlSkB05awcfhdCpukdRPA49U

Malware Config

Targets

    • Target

      windows update.exe

    • Size

      76.5MB

    • MD5

      0cf0b1a0d4ddcf3e9ff391acf06adf74

    • SHA1

      a2795e52bbd984640f8178e5af63109d3368537d

    • SHA256

      13d1623ec2530efe0741550cf19a5ca5861c57f979227807dc99337c43496065

    • SHA512

      396c91ef4b5ec7cdb7eaaa2d92f9f820bb28e207de2a622832a745ae90a8e71b5ba86bf8d09a98e54f4b3737d3a99590dba668d8dbfdf9b1c89e18ab23a5dd87

    • SSDEEP

      1572864:JvHcRlPSk8IpG7V+VPhqYdfME7FFlHFziYweyJulZUdgAdW4zjtux3a/Z9U:JvHcRlSkB05awcfhdCpukdRPA49U

    • Enumerates VirtualBox DLL files

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks