Overview

overview

7

Static

static

7

krampus.exe

windows7-x64

7

krampus.exe

windows10-2004-x64

7

krampus.exe

macos-10.15-amd64

4

Analysis

  • max time kernel
    147s
  • max time network
    141s
  • platform
    macos-10.15_amd64
  • resource
    macos-20240711.1-en
  • resource tags

    arch:amd64arch:i386image:macos-20240711.1-enkernel:19b77alocale:en-usos:macos-10.15-amd64system
  • submitted
    11/08/2024, 00:28

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General

  • Target

    krampus.exe

  • Size

    5.6MB

  • MD5

    e3f7cfc15aecea1f817fd9e1c91b2b33

  • SHA1

    4427bc42173e964762c4f003628502ec601d45c0

  • SHA256

    64706688105210a3c3d265aceb11475e38bc1f35ffcd72a8d38bacc0806653eb

  • SHA512

    ed233e15a3d3947feb95c388355d7a8b05a06b2c74997b80dba331facf991f57ae252976a2465bec74c13075d06fa5cdc1930ee8e87da830e6bd1821f8eb2733

  • SSDEEP

    98304:R4UGDPt5D8brm4+Bo4M4du9I0y1ZKnnyZhK9iYRiBSqXGijc/Elh:R4/PD8m4IAOsI0fyiwS/iYsh

Score
4/10
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.

    evasion

Processes

  • /usr/libexec/xpcproxy
    xpcproxy com.apple.pluginkit.pkreporter
    1⤵
      PID:486
    • /bin/sh
      sh -c "sudo /bin/zsh -c \"/Users/run/krampus.exe\""
      1⤵
        PID:487
      • /bin/bash
        sh -c "sudo /bin/zsh -c \"/Users/run/krampus.exe\""
        1⤵
          PID:487
        • /usr/libexec/xpcproxy
          xpcproxy com.apple.loginwindow.LWWeeklyMessageTracer
          1⤵
            PID:488
          • /usr/bin/sudo
            sudo /bin/zsh -c /Users/run/krampus.exe
            1⤵
              PID:487
              • /bin/zsh
                /bin/zsh -c /Users/run/krampus.exe
                2⤵
                  PID:490
                • /Users/run/krampus.exe
                  /Users/run/krampus.exe
                  2⤵
                    PID:490
                • /usr/libexec/xpcproxy
                  xpcproxy com.oracle.java.Java-Updater
                  1⤵
                    PID:489
                  • /System/Library/CoreServices/loginwindow.app/Contents/Resources/LWWeeklyMessageTracer
                    /System/Library/CoreServices/loginwindow.app/Contents/Resources/LWWeeklyMessageTracer
                    1⤵
                      PID:488
                    • /usr/libexec/pkreporter
                      /usr/libexec/pkreporter
                      1⤵
                        PID:486
                      • /System/Library/CoreServices/Applications/Feedback Assistant.app/Contents/Library/LaunchServices/seedusaged
                        "/System/Library/CoreServices/Applications/Feedback Assistant.app/Contents/Library/LaunchServices/seedusaged"
                        1⤵
                          PID:482
                        • /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:484
                          • /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:489
                            • /usr/libexec/xpcproxy
                              xpcproxy com.apple.sysmond
                              1⤵
                                PID:517
                              • /usr/libexec/sysmond
                                /usr/libexec/sysmond
                                1⤵
                                  PID:517
                                • /usr/libexec/xpcproxy
                                  xpcproxy com.apple.audio.AudioComponentRegistrar
                                  1⤵
                                    PID:519
                                  • /System/Library/Frameworks/AudioToolbox.framework/AudioComponentRegistrar
                                    /System/Library/Frameworks/AudioToolbox.framework/AudioComponentRegistrar -daemon
                                    1⤵
                                      PID:519
                                    • /usr/bin/bzip2
                                      /usr/bin/bzip2 -f /var/log/wifi.log.0
                                      1⤵
                                        PID:526
                                      • /usr/libexec/xpcproxy
                                        xpcproxy com.apple.corespotlightservice.725FD30A-6064-6C02-CC51-5DDB8891B57E
                                        1⤵
                                          PID:530
                                        • /System/Library/Frameworks/CoreSpotlight.framework/CoreSpotlightService
                                          /System/Library/Frameworks/CoreSpotlight.framework/CoreSpotlightService
                                          1⤵
                                            PID:530
                                          • /bin/launchctl
                                            /bin/launchctl kill SIGTERM system/com.microsoft.OneDriveUpdaterDaemon
                                            1⤵
                                              PID:536
                                            • /bin/launchctl
                                              /bin/launchctl kill SIGTERM system/com.microsoft.OneDriveStandaloneUpdaterDaemon
                                              1⤵
                                                PID:537

                                              Network

                                                    MITRE ATT&CK Enterprise v15

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