Overview

overview

10

Static

static

10

Featherclient.exe

windows11-21h2-x64

9

Sharing

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General

  • Target

    Featherclient.exe

  • Size

    83.1MB

  • Sample

    250130-xbzynayrdy

  • MD5

    8945dc1c4c07abb9e78ffbca46728216

  • SHA1

    38d75193896220521c105d495cc3d589fc64fef4

  • SHA256

    84a5b83dd78c6d72b4076fd75b8c1842b5e888910c0d66f8d17dad0bf34f1212

  • SHA512

    2ea96437d58f16586789a2e1a1e6978fa685007848adec82486efde60c80d662dc97b3c0bb8ff9af0e4890c74f8f15c319f49b0d00b9c8c06ff48635c534c32f

  • SSDEEP

    1572864:iVjlaWaDFm7OkiqOv8im2AUdfzE7ylhBiYweyJulZUdg2rUAuaqZ9UaR:uAFFm7OknOv8i3XfjLGpuSrI9U

Score
10/10
pysilondefense_evasionexecutionpersistencepyinstallerupx

Malware Config

Targets

    • Target

      Featherclient.exe

    • Size

      83.1MB

    • MD5

      8945dc1c4c07abb9e78ffbca46728216

    • SHA1

      38d75193896220521c105d495cc3d589fc64fef4

    • SHA256

      84a5b83dd78c6d72b4076fd75b8c1842b5e888910c0d66f8d17dad0bf34f1212

    • SHA512

      2ea96437d58f16586789a2e1a1e6978fa685007848adec82486efde60c80d662dc97b3c0bb8ff9af0e4890c74f8f15c319f49b0d00b9c8c06ff48635c534c32f

    • SSDEEP

      1572864:iVjlaWaDFm7OkiqOv8im2AUdfzE7ylhBiYweyJulZUdg2rUAuaqZ9UaR:uAFFm7OknOv8i3XfjLGpuSrI9U

    Score
    9/10
    defense_evasionexecutionpersistenceupx

    • 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.

      defense_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
    behavioral1

MITRE ATT&CK Enterprise v15

Tasks