Overview

overview

4

Static

static

3

korins_stu...on.pdf

windows11-21h2-x64

4

korins_stu...on.pdf

macos-10.15-amd64

4

Analysis

  • max time kernel
    142s
  • max time network
    106s
  • platform
    macos-10.15_amd64
  • resource
    macos-20250619-es
  • resource tags

    arch:amd64arch:i386image:macos-20250619-eskernel:19b77alocale:es-esos:macos-10.15-amd64system
  • submitted
    23/06/2026, 06:23

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General

  • Target
    korins_studio_bid_invitation.pdf
  • Size 17KB
  • Sample260623-g5f5msa18w
  • SHA256 105317b5be30e451cae81df8e7f9a3d7ef47f2b45ca33953aa4f7b1d6c21f2b7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
4/10
defense_evasion

Malware Config

Signatures

  • Resource Forking 1 TTPs 2 IoCs

    Adversaries may abuse resource forks to hide malicious code or executables to evade detection and bypass security applications. A resource fork provides applications a structured way to store resources such as thumbnail images, menu definitions, icons, dialog boxes, and code.

    defense_evasion

Processes

  • /bin/sh
    sh -c "sudo /bin/zsh -c \"open /Users/run/korins_studio_bid_invitation.pdf\""
    1⤵
      PID:465
    • /bin/bash
      sh -c "sudo /bin/zsh -c \"open /Users/run/korins_studio_bid_invitation.pdf\""
      1⤵
        PID:465
      • /usr/bin/sudo
        sudo /bin/zsh -c "open /Users/run/korins_studio_bid_invitation.pdf"
        1⤵
          PID:465
          • /bin/zsh
            /bin/zsh -c "open /Users/run/korins_studio_bid_invitation.pdf"
            2⤵
              PID:467
            • /usr/bin/open
              open /Users/run/korins_studio_bid_invitation.pdf
              2⤵
                PID:467
            • /System/Library/PrivateFrameworks/SpeechObjects.framework/Versions/A/SpeechDataInstallerd.app/Contents/MacOS/SpeechDataInstallerd
              /System/Library/PrivateFrameworks/SpeechObjects.framework/Versions/A/SpeechDataInstallerd.app/Contents/MacOS/SpeechDataInstallerd
              1⤵
                PID:452
              • /usr/libexec/pkreporter
                /usr/libexec/pkreporter
                1⤵
                  PID:455
                • /System/Library/CoreServices/loginwindow.app/Contents/Resources/LWWeeklyMessageTracer
                  /System/Library/CoreServices/loginwindow.app/Contents/Resources/LWWeeklyMessageTracer
                  1⤵
                    PID:457
                  • /System/Library/CoreServices/Applications/Feedback Assistant.app/Contents/Library/LaunchServices/seedusaged
                    "/System/Library/CoreServices/Applications/Feedback Assistant.app/Contents/Library/LaunchServices/seedusaged"
                    1⤵
                      PID:450
                    • /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Resources/Java Updater.app/Contents/MacOS/Java Updater
                      "/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Resources/Java Updater.app/Contents/MacOS/Java Updater" -bgcheck
                      1⤵
                        PID:461
                      • /usr/libexec/xpcproxy
                        xpcproxy com.apple.metadata.mdwrite
                        1⤵
                          PID:472

                        Network

                              MITRE ATT&CK Enterprise v16

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