Overview

overview

4

Static

static

1

yupesrca.exe

windows10-2004-x64

yupesrca.exe

windows11-ltsc_2024-x64

yupesrca.exe

macos-10.15-amd64

4

Analysis

  • max time kernel
    70s
  • max time network
    140s
  • platform
    macos-10.15_amd64
  • resource
    macos-20250619-en
  • resource tags

    arch:amd64arch:i386image:macos-20250619-enkernel:19b77alocale:en-usos:macos-10.15-amd64system
  • submitted
    18/08/2026, 04:30

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General

  • Target
    yupesrca.exe
  • Size 28.9MB
  • Sample260818-e4wslawcrb
  • SHA256 1e85662d0107383422ad8b4c60d9501827b1eb9363e7e49bd4b2600343212500
  • 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

  • /usr/libexec/pkreporter
    /usr/libexec/pkreporter
    1⤵
      PID:451
    • /System/Library/CoreServices/loginwindow.app/Contents/Resources/LWWeeklyMessageTracer
      /System/Library/CoreServices/loginwindow.app/Contents/Resources/LWWeeklyMessageTracer
      1⤵
        PID:454
      • /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:448
        • /System/Library/CoreServices/Applications/Feedback Assistant.app/Contents/Library/LaunchServices/seedusaged
          "/System/Library/CoreServices/Applications/Feedback Assistant.app/Contents/Library/LaunchServices/seedusaged"
          1⤵
            PID:446
          • /bin/sh
            sh -c "sudo /bin/zsh -c \"/Users/run/yupesrca.exe\""
            1⤵
              PID:461
            • /bin/bash
              sh -c "sudo /bin/zsh -c \"/Users/run/yupesrca.exe\""
              1⤵
                PID:461
              • /usr/bin/sudo
                sudo /bin/zsh -c /Users/run/yupesrca.exe
                1⤵
                  PID:461
                  • /bin/zsh
                    /bin/zsh -c /Users/run/yupesrca.exe
                    2⤵
                      PID:463
                    • /Users/run/yupesrca.exe
                      /Users/run/yupesrca.exe
                      2⤵
                        PID:463
                    • /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:456
                      • /usr/libexec/xpcproxy
                        xpcproxy com.apple.nsurlstoraged
                        1⤵
                          PID:492
                        • /usr/libexec/nsurlstoraged
                          /usr/libexec/nsurlstoraged --privileged
                          1⤵
                            PID:492
                          • /usr/libexec/xpcproxy
                            xpcproxy com.apple.StreamingUnzipService 197
                            1⤵
                              PID:493
                            • /System/Library/PrivateFrameworks/StreamingZip.framework/Versions/A/XPCServices/com.apple.StreamingUnzipService.xpc/Contents/MacOS/com.apple.StreamingUnzipService
                              /System/Library/PrivateFrameworks/StreamingZip.framework/Versions/A/XPCServices/com.apple.StreamingUnzipService.xpc/Contents/MacOS/com.apple.StreamingUnzipService
                              1⤵
                                PID:493

                              Network

                                    MITRE ATT&CK Enterprise v16

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