Analysis
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max time kernel
122s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
09-10-2023 22:49
Static task
static1
Behavioral task
behavioral1
Sample
802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5.exe
Resource
win10v2004-20230915-en
General
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Target
802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5.exe
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Size
78KB
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MD5
c5eff77db7eb62c4066247adfcd64797
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SHA1
acf5f645a1af2987c8a5398c12d03622feba9d35
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SHA256
802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5
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SHA512
1610710c081064743dcfc9b7f5cdf42e63c9f78f3f55983c7f00ae6e60124489a5239cafb89375cc8e3d9d7696eeed7bb23f05dcda52644aafee651f69768dbd
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SSDEEP
1536:m3l0Bj+w0lplDHFNGlNEQZwS+g+vkjf9Hy+D00m:m3lkCwQplDleNGS+g+kjfEb
Malware Config
Signatures
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Jigsaw Ransomware
Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.
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Executes dropped EXE 1 IoCs
pid Process 2588 drpbx.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Frfx\\firefox.exe" 802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\28.png drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.simpleconfigurator.manipulator.nl_zh_4.4.0.v20140623020002.jar.fun drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\ja-JP\js\localizedStrings.js drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\CommonData\CommsOutgoingImageMask.bmp.fun drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-api-search_zh_CN.jar drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-jmx_ja.jar.fun drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Flow.xml drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Rectangles\15x15dot.png drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\fr-FR\js\init.js drpbx.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsfin.xml drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\cronometer_settings.png drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms5\macroprogress.gif drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-settings_zh_CN.jar drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-sa_ja.jar drpbx.exe File created C:\Program Files\7-Zip\Lang\kab.txt.fun drpbx.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\Content.xml drpbx.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe AIR\Versions\1.0\Adobe AIR Application Installer.swf drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\VERSION.txt.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-api-annotations-common_zh_CN.jar.fun drpbx.exe File created C:\Program Files\7-Zip\Lang\be.txt.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\README.txt.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.apache.batik.css_1.7.0.v201011041433.jar.fun drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveDocumentReview\MarkupIconImagesMask.bmp drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\utilityfunctions.js drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-editor-mimelookup-impl.xml.fun drpbx.exe File opened for modification C:\Program Files (x86)\Windows NT\TableTextService\TableTextServiceSimplifiedZhengMa.txt drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\shuffle_up.png drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-api_zh_CN.jar drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\images\reveal_rest.png drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.mbeanbrowser_5.5.0.165303.jar.fun drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\Shared24x24Images.jpg.fun drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-lib-profiler_ja.jar drpbx.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\css\ui-lightness\images\ui-icons_ffd27a_256x240.png drpbx.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Connectivity.gif drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Paper.xml.fun drpbx.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Tracker\tl.gif drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\QuestionIcon.jpg drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Clarity.xml.fun drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\nav_rightarrow.png drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\settings_box_bottom.png drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.ui.sdk.scheduler.nl_ja_4.4.0.v20140623020002.jar.fun drpbx.exe File created C:\Program Files\Mozilla Firefox\browser\VisualElements\PrivateBrowsing_150.png.fun drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_it.jar drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.osgi.nl_zh_4.4.0.v20140623020002.jar drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\rtf_italic.gif.fun drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\CommonData\UnreadIcon.jpg drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\NavigationUp_ButtonGraphic.png drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.core.commands.nl_zh_4.4.0.v20140623020002.jar.fun drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\rtf_decreaseindent.gif drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-sendopts_ja.jar drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\include\jvmti.h drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\BrightOrange\background.gif.fun drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\144DPI\(144DPI)redStateIcon.png drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.bindings_0.10.200.v20140424-2042.jar.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.metadata_2.2.0.v20131211-1531.jar.fun drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\ext\locale\updater_zh_CN.jar drpbx.exe File created C:\Program Files\7-Zip\Lang\fa.txt.fun drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\NotifierWindowMask.bmp.fun drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\NextMenuButtonIcon.png drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\NavigationLeft_SelectionSubpicture.png drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.browser.ja_5.5.0.165303.jar drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-javahelp_zh_CN.jar.fun drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-options-keymap_ja.jar drpbx.exe File created C:\Program Files\7-Zip\Lang\co.txt.fun drpbx.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2304 wrote to memory of 2588 2304 802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5.exe 28 PID 2304 wrote to memory of 2588 2304 802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5.exe 28 PID 2304 wrote to memory of 2588 2304 802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5.exe"C:\Users\Admin\AppData\Local\Temp\802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2304 -
C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe"C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:2588
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
160B
MD5000e8c41d4a15fb34d0be0dbb56e3778
SHA100c4eae64ee6239d7c65d819c6ce1ac329224f8c
SHA2568bdfa6a5b7de345cf0d4fe0e9c17d8b0e9db26d58b05b1b2ebbb3a05a068ff28
SHA512775d832eb8ab73e4a93789917dca69edb6c91fbb426e02acf7c6e213ffb4575776187209d1c471fbf57c4621ea3c23d9850f6dfc2770d62c17de9d66710800af
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Filesize
78KB
MD5c5eff77db7eb62c4066247adfcd64797
SHA1acf5f645a1af2987c8a5398c12d03622feba9d35
SHA256802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5
SHA5121610710c081064743dcfc9b7f5cdf42e63c9f78f3f55983c7f00ae6e60124489a5239cafb89375cc8e3d9d7696eeed7bb23f05dcda52644aafee651f69768dbd
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Filesize
78KB
MD5c5eff77db7eb62c4066247adfcd64797
SHA1acf5f645a1af2987c8a5398c12d03622feba9d35
SHA256802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5
SHA5121610710c081064743dcfc9b7f5cdf42e63c9f78f3f55983c7f00ae6e60124489a5239cafb89375cc8e3d9d7696eeed7bb23f05dcda52644aafee651f69768dbd
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Filesize
16B
MD5cfdae8214d34112dbee6587664059558
SHA1f649f45d08c46572a9a50476478ddaef7e964353
SHA25633088cb514406f31e3d96a92c03294121ee9f24e176f7062625c2b36bee7a325
SHA512c260f2c223ecbf233051ac1d6a1548ad188a2777085e9d43b02da41b291ff258e4c506f99636150847aa24918c7bbb703652fef2fe55b3f50f85b5bd8dd5f6e3