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Overview

overview

10

Static

static

10

Bootstrapper.exe

windows10-2004-x64

9

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General

  • Target

    Bootstrapper.exe

  • Size

    81.0MB

  • Sample

    241202-2wb5jsxkey

  • MD5

    8e4459028b7b17ef356a8be2ad50c8ed

  • SHA1

    084c9494f68755bc64e0fceb97834af2ccfec5d6

  • SHA256

    f1e72b5329dc4d9f7c459aea493d8c59bd0521d82129d168bf7d155924b768c6

  • SHA512

    fc60a89d0516d38fa75bfbd45cc3edd483d8d879e20b7c885bbba1b839caa9e6aaa121b14b164e02dc4f3f189f58980eb0952b85f22c433237e42457a224d0ad

  • SSDEEP

    1572864:AGKlEWvsmwSk8IpG7V+VPhqYdfmE7FliwiYgj+h58sMwGybhiDENjwJq:5KeysmwSkB05awcfNwy5SybGW

Score
10/10
pysilondiscoveryevasionexecutionpersistencepyinstallerupx

Malware Config

Targets

    • Target

      Bootstrapper.exe

    • Size

      81.0MB

    • MD5

      8e4459028b7b17ef356a8be2ad50c8ed

    • SHA1

      084c9494f68755bc64e0fceb97834af2ccfec5d6

    • SHA256

      f1e72b5329dc4d9f7c459aea493d8c59bd0521d82129d168bf7d155924b768c6

    • SHA512

      fc60a89d0516d38fa75bfbd45cc3edd483d8d879e20b7c885bbba1b839caa9e6aaa121b14b164e02dc4f3f189f58980eb0952b85f22c433237e42457a224d0ad

    • SSDEEP

      1572864:AGKlEWvsmwSk8IpG7V+VPhqYdfmE7FliwiYgj+h58sMwGybhiDENjwJq:5KeysmwSkB05awcfNwy5SybGW

    Score
    9/10
    discoveryevasionexecutionpersistenceupx

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • UPX packed file

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

      upx
    behavioral1

MITRE ATT&CK Enterprise v15

Tasks