Analysis
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max time kernel
140s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
11-05-2024 08:02
Static task
static1
Behavioral task
behavioral1
Sample
JigsawRansomware.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
JigsawRansomware.exe
Resource
win10v2004-20240226-en
General
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Target
JigsawRansomware.exe
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Size
47KB
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MD5
ed3a9817328547480076ef8e1e48bc0b
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SHA1
218a7b659078f07892d3e9a9905324b0eb95a5ba
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SHA256
0e70bac97f8a8d4eda6347afe83c870b6f87f05f2fe3e7fb0bfcad7b29d0c5e5
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SHA512
f0e44829ac76c832bf67bd11193f9d3fb91e13f34110c6dd9f751dc79e2605811a99f149e942509d8dfbb7e461adb6d95735ff6fd378527ea4755fbf98034bf4
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SSDEEP
768:BvqfRgrW3UJR/01V+FIpUY21RTjI4I17i6WrggpWxjW6msMev+JN5uMYqDYY:QfKrGUXyYFIpUYIpIRi7xyGsMev+JNwg
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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Renames multiple (2014) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Executes dropped EXE 1 IoCs
pid Process 2328 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-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Frfx\\firefox.exe" JigsawRansomware.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\7-Zip\Lang\sr-spc.txt.fun drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.mbeanbrowser.ja_5.5.0.165303.jar drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.zh_CN_5.5.0.165303.jar.fun drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.extensionlocation_1.2.100.v20131119-0908.jar drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.swt.nl_zh_4.4.0.v20140623020002.jar.fun drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\Panel_Mask_PAL.wmv drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui_3.106.0.v20140812-1751.jar drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\XML Files\StarterNotificationDescriptors.xml.fun drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\RSSFeeds.Gadget\es-ES\gadget.xml drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\es-ES\gadget.xml drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-editor-mimelookup-impl.jar.fun drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-keyring.xml drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-spi-quicksearch_ja.jar drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\images\calendar_single_orange.png drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\tile_drop_shadow.png drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\toc.xml.fun drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\bg_GreenTea.gif.fun drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveProjectToolset\ProjectTaskIcon.jpg drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\de-DE\gadget.xml drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\images\base-undocked-2.png drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\server\Xusage.txt drpbx.exe File opened for modification C:\Program Files\Windows Media Player\Network Sharing\wmpnss_color120.png drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Rectangles\vistabg.png drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\TravelIntroToMainMask.wmv drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-heapdump.jar drpbx.exe File created C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\SettingsInternal.zip.fun drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\images\square_dot.png drpbx.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\js\common.js drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-sendopts.xml drpbx.exe File created C:\Program Files\VideoLAN\VLC\lua\http\css\ui-lightness\images\ui-icons_222222_256x240.png.fun drpbx.exe File created C:\Program Files\7-Zip\Lang\nb.txt.fun drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Microsoft.Office.BusinessApplications.RuntimeUi.xml drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\images\settings_box_divider_left.png drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-core-ui.jar.fun drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\BabyBoyMainToNotesBackground_PAL.wmv drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\settings_corner_top_left.png drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\27.png drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\es-ES\js\init.js drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\notification_plugin.jar.fun drpbx.exe File opened for modification C:\Program Files\7-Zip\Lang\el.txt drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\31.png drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\include\win32\bridge\AccessBridgePackages.h drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.workbench.nl_zh_4.4.0.v20140623020002.jar.fun drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\bg_TexturedBlue.gif.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-sa.xml.fun drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\9.png drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench3.nl_ja_4.4.0.v20140623020002.jar.fun drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\120DPI\(120DPI)notConnectedStateIcon.png drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\images\winClassicHandle.png 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 (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Office Classic 2.xml.fun drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Shatter\shatter.png drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\sports_disc_mask.png drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\scrapbook.png drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification.ja_5.5.0.165303.jar.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.widgets.nl_zh_4.4.0.v20140623020002.jar.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\lib\smtp.jar.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-templates_zh_CN.jar.fun drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\ja-JP\js\timeZones.js drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-profiler.jar drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\bg_GreenTea.gif.fun drpbx.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\hwrcommonlm.dat drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\1033\QuizShow.potx drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\TravelIntroToMainMask_PAL.wmv drpbx.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2328 drpbx.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1976 wrote to memory of 2328 1976 JigsawRansomware.exe 28 PID 1976 wrote to memory of 2328 1976 JigsawRansomware.exe 28 PID 1976 wrote to memory of 2328 1976 JigsawRansomware.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\JigsawRansomware.exe"C:\Users\Admin\AppData\Local\Temp\JigsawRansomware.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1976 -
C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe"C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\JigsawRansomware.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
PID:2328
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"1⤵PID:1804
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
47KB
MD5ed3a9817328547480076ef8e1e48bc0b
SHA1218a7b659078f07892d3e9a9905324b0eb95a5ba
SHA2560e70bac97f8a8d4eda6347afe83c870b6f87f05f2fe3e7fb0bfcad7b29d0c5e5
SHA512f0e44829ac76c832bf67bd11193f9d3fb91e13f34110c6dd9f751dc79e2605811a99f149e942509d8dfbb7e461adb6d95735ff6fd378527ea4755fbf98034bf4
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Filesize
16B
MD5cfdae8214d34112dbee6587664059558
SHA1f649f45d08c46572a9a50476478ddaef7e964353
SHA25633088cb514406f31e3d96a92c03294121ee9f24e176f7062625c2b36bee7a325
SHA512c260f2c223ecbf233051ac1d6a1548ad188a2777085e9d43b02da41b291ff258e4c506f99636150847aa24918c7bbb703652fef2fe55b3f50f85b5bd8dd5f6e3