Analysis
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max time kernel
141s -
max time network
141s -
platform
macos-10.15_amd64 -
resource
macos-20241101-fr -
resource tags
arch:amd64arch:i386image:macos-20241101-frkernel:19b77alocale:fr-fros:macos-10.15-amd64system -
submitted
04/01/2025, 09:25
Behavioral task
behavioral1
Sample
Quasar.exe
Resource
win10v2004-20241007-fr
Behavioral task
behavioral2
Sample
Quasar.exe
Resource
android-x86-arm-20240624-fr
Behavioral task
behavioral3
Sample
Quasar.exe
Resource
android-x64-20240624-fr
Behavioral task
behavioral4
Sample
Quasar.exe
Resource
android-x64-arm64-20240624-fr
Behavioral task
behavioral5
Sample
Quasar.exe
Resource
macos-20241101-fr
General
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Target
Quasar.exe
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Size
1.2MB
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MD5
12ebf922aa80d13f8887e4c8c5e7be83
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SHA1
7f87a80513e13efd45175e8f2511c2cd17ff51e8
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SHA256
43315abb9c8be9a39782bd8694a7ea9f16a867500dc804454d04b8bf2c15c51e
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SHA512
fda5071e15cf077d202b08db741bbfb3dbd815acc41deec7b7d44e055cac408e2f2de7233f8f9c5c618afd00ffc2fc4c6e8352cbdf18f9aab55d980dcb58a275
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SSDEEP
12288:IwPs012cBBBYiL9l/bFfpBBBBBBBBBBBBcA:jBBBYiLvzFfpBBBBBBBBBBBBcA
Malware Config
Signatures
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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.
ioc Process /System/Library/CoreServices/loginwindow.app/Contents/Resources/LWWeeklyMessageTracer Process not Found "/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Resources/Java Updater.app/Contents/MacOS/Java Updater" -bgcheck Process not Found
Processes
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/bin/shsh -c "sudo /bin/zsh -c \"/Users/run/Quasar.exe\""1⤵PID:470
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/bin/bashsh -c "sudo /bin/zsh -c \"/Users/run/Quasar.exe\""1⤵PID:470
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/usr/bin/sudosudo /bin/zsh -c /Users/run/Quasar.exe1⤵PID:470
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/bin/zsh/bin/zsh -c /Users/run/Quasar.exe2⤵PID:471
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/Users/run/Quasar.exe/Users/run/Quasar.exe2⤵PID:471
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/System/Library/PrivateFrameworks/SpeechObjects.framework/Versions/A/SpeechDataInstallerd.app/Contents/MacOS/SpeechDataInstallerd/System/Library/PrivateFrameworks/SpeechObjects.framework/Versions/A/SpeechDataInstallerd.app/Contents/MacOS/SpeechDataInstallerd1⤵PID:455
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/System/Library/CoreServices/Applications/Feedback Assistant.app/Contents/Library/LaunchServices/seedusaged"/System/Library/CoreServices/Applications/Feedback Assistant.app/Contents/Library/LaunchServices/seedusaged"1⤵PID:453
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/usr/libexec/pkreporter/usr/libexec/pkreporter1⤵PID:458
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/System/Library/CoreServices/loginwindow.app/Contents/Resources/LWWeeklyMessageTracer/System/Library/CoreServices/loginwindow.app/Contents/Resources/LWWeeklyMessageTracer1⤵PID:461
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/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" -bgcheck1⤵PID:464
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/usr/libexec/xpcproxyxpcproxy com.apple.audio.AudioComponentRegistrar1⤵PID:495
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/System/Library/Frameworks/AudioToolbox.framework/AudioComponentRegistrar/System/Library/Frameworks/AudioToolbox.framework/AudioComponentRegistrar -daemon1⤵PID:495