Overview

overview

10

Static

static

10

Bootstrapper.exe

windows7-x64

7

Bootstrapper.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    Bootstrapper.exe

  • Size

    81.0MB

  • Sample

    241204-s7tz3avqdn

  • MD5

    840276a95bfdf1a3c03f97d34eefaadf

  • SHA1

    d2bf4baf4096981ce08887ed91e88c1dfe5a1472

  • SHA256

    71739aafa93c4527a94096f0140789e04c96c786d5f7cf6022e7d2ed338777e4

  • SHA512

    e511cccd390d7d4bc3e3f818d453681d29c2927e4d576f8cd4e41755f7b7ab4a6563f6f56e1162351bf333ee110d4a55cf7f9c612e50e94b999c13fbbdeb6e50

  • SSDEEP

    1572864:XGKlEWhsmwSk8IpG7V+VPhqYdfmE7FliwiYgj+h58sMwGybhiDENjwJq:WKe4smwSkB05awcfNwy5SybGW

Score
10/10
pysilonevasionexecutionpersistencepyinstallerupx

Malware Config

Targets

    • Target

      Bootstrapper.exe

    • Size

      81.0MB

    • MD5

      840276a95bfdf1a3c03f97d34eefaadf

    • SHA1

      d2bf4baf4096981ce08887ed91e88c1dfe5a1472

    • SHA256

      71739aafa93c4527a94096f0140789e04c96c786d5f7cf6022e7d2ed338777e4

    • SHA512

      e511cccd390d7d4bc3e3f818d453681d29c2927e4d576f8cd4e41755f7b7ab4a6563f6f56e1162351bf333ee110d4a55cf7f9c612e50e94b999c13fbbdeb6e50

    • SSDEEP

      1572864:XGKlEWhsmwSk8IpG7V+VPhqYdfmE7FliwiYgj+h58sMwGybhiDENjwJq:WKe4smwSkB05awcfNwy5SybGW

    Score
    9/10
    upxevasionexecutionpersistence

    • 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.

      execution

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks