Analysis
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max time kernel
839s -
max time network
1800s -
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
03/11/2024, 04:16
Static task
static1
Behavioral task
behavioral1
Sample
LK Rat.jar
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral2
Sample
LK Rat.jar
Resource
win11-20241007-en
Behavioral task
behavioral3
Sample
LK Rat.jar
Resource
macos-20240711.1-en
Behavioral task
behavioral4
Sample
LK Rat.jar
Resource
ubuntu2004-amd64-20240611-en
General
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Target
LK Rat.jar
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Size
1.4MB
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MD5
8c65d5456bcd4e07d64e87b856ffb2b2
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SHA1
81ec28c78875d17f08603b427b7783c0cc55bb80
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SHA256
74148c3575a944b44668549c4a25c9a02a822b464c70c20d91cef1866fd54e9c
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SHA512
6b3a424eb3f83308400007020bd81d71b60b7c6b15cdf5a1e45d53ab7cc343eb66de5077492686f582025c790a496804b8e6a36d49574ed9292fb3be0cf1178e
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SSDEEP
24576:M0enMGto+9l1JFpABv5gUIch/lqi++f89WTuh+fl1RFxAtHT5SlJtf:3eMGbxJYvKA9QYT/zRAsd
Malware Config
Signatures
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JavaScript 1 TTPs 1 IoCs
Adversaries may abuse various implementations of JavaScript for execution.
ioc Process "/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/bin/java" -jar "/Users/run/LK Rat.jar" Process not Found -
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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/usr/libexec/xpcproxyxpcproxy com.apple.gkreport1⤵PID:483
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/usr/libexec/xpcproxyxpcproxy com.apple.systemstats.daily1⤵PID:484
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/usr/libexec/gkreport/usr/libexec/gkreport1⤵PID:483
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/bin/shsh -c "sudo /bin/zsh -c \"open /Users/run/LK\\ Rat.jar\""1⤵PID:485
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/bin/bashsh -c "sudo /bin/zsh -c \"open /Users/run/LK\\ Rat.jar\""1⤵PID:485
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/usr/bin/sudosudo /bin/zsh -c "open /Users/run/LK\\ Rat.jar"1⤵PID:485
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/bin/zsh/bin/zsh -c "open /Users/run/LK\\ Rat.jar"2⤵PID:490
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/usr/bin/openopen "/Users/run/LK Rat.jar"2⤵PID:490
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/usr/bin/xar/usr/bin/xar -c -f dslocal-backup.xar dslocal1⤵PID:482
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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:471
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/usr/libexec/pkreporter/usr/libexec/pkreporter1⤵PID:473
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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:472
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/System/Library/CoreServices/loginwindow.app/Contents/Resources/LWWeeklyMessageTracer/System/Library/CoreServices/loginwindow.app/Contents/Resources/LWWeeklyMessageTracer1⤵PID:474
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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:475
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/usr/libexec/xpcproxyxpcproxy com.apple.JarLauncher.15321⤵PID:491
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/System/Library/CoreServices/Jar Launcher.app/Contents/MacOS/Jar Launcher"/System/Library/CoreServices/Jar Launcher.app/Contents/MacOS/Jar Launcher"1⤵PID:491
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/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/bin/java"/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/bin/java" -jar "/Users/run/LK Rat.jar"2⤵PID:500
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/usr/libexec/xpcproxyxpcproxy com.apple.metadata.mdwrite1⤵PID:493
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/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/lib/jspawnhelper24:271⤵PID:516
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/usr/bin/javajava -jar /var/folders/pq/yy2b5ptn4cz739jgclj4m1wm0000gp/T/pULHfy922491553974830248.tmp1⤵PID:516
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/usr/libexec/xpcproxyxpcproxy com.apple.java.InstallOnDemand1⤵PID:517
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/System/Library/Java/Support/CoreDeploy.bundle/Contents/Download Java Components.app/Contents/MacOS/Download Java Components"/System/Library/Java/Support/CoreDeploy.bundle/Contents/Download Java Components.app/Contents/MacOS/Download Java Components"1⤵PID:517
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/usr/libexec/xpcproxyxpcproxy com.apple.audio.AudioComponentRegistrar1⤵PID:519
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/System/Library/Frameworks/AudioToolbox.framework/AudioComponentRegistrar/System/Library/Frameworks/AudioToolbox.framework/AudioComponentRegistrar -daemon1⤵PID:519
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/usr/libexec/xpcproxyxpcproxy com.apple.spindump1⤵PID:541
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/usr/sbin/spindump/usr/sbin/spindump1⤵PID:541
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/usr/libexec/xpcproxyxpcproxy com.apple.diagnosticd1⤵PID:542
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/usr/libexec/diagnosticd/usr/libexec/diagnosticd1⤵PID:542
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/usr/libexec/xpcproxyxpcproxy com.apple.newsyslog1⤵PID:543
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/usr/sbin/newsyslog/usr/sbin/newsyslog1⤵PID:543