Overview

overview

10

Static

static

10

SolaraBoot...er.exe

windows7-x64

7

SolaraBoot...er.exe

windows10-2004-x64

9

Resubmissions

05/08/2024, 20:23

240805-y58nbsxcpp

05/08/2024, 20:11

240805-yyhtbs1blb10

Sharing

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General

  • Target
    SolaraBootstrapper.exe
  • Size 30.0MB
  • Sample240805-yyhtbs1blb
  • SHA256 35662500e31d085d460b306293ac426efa47b97dae45f3778906076913944e31
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
pysilonevasionexecutionpersistencepyinstallerupx

Malware Config

Targets

    • Target
      SolaraBootstrapper.exe
    • Size 30.0MB
    • SHA256 35662500e31d085d460b306293ac426efa47b97dae45f3778906076913944e31
    • MD5 SHA1 SHA512 SSDEEP
    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

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks