Analysis
- max time kernel
122s - max time network
125s - 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
1 signatures
Behavioral task
behavioral1
Sample
jigsaw.exe
Resource
win7-20230831-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
jigsaw.exe
Resource
win10v2004-20230915-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target jigsaw.exe
- Size 283KB
- Sample231009-2rwcmagh8v
- SHA256 3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
- MD5 2773e3dc59472296cb0024ba7715a64e
- SHA1 27d99fbca067f478bb91cdbcb92f13a828b00859
- SHA512 6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262
- SSDEEP 6144:7fukPLPvucHiQQQ4uuy9ApZbZWxcZt+kTfMLJTOAZiYSXjjeqXus:7fu5cCT7yYlWi8kTfMLJTOAZiYSXjyqX
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Jigsaw Ransomware
Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.
- Executes dropped EXE 1 IoCs
pid Process 2628 drpbx.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000\Software\Microsoft\Windows\CurrentVersion\Run\firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Frfx\\firefox.exe" jigsaw.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\numbers.xml drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench3_0.12.0.v20140227-2118.jar drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\SoftBlue\background.gif drpbx.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\zh-dayi.xml drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx.zh_CN_5.5.0.165303.jar.fun drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\rtf_alignleft.gif drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Office14\SketchPadTestSchema.xml.fun drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\HueCycle\NavigationLeft_ButtonGraphic.png drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\NavigationUp_SelectionSubpicture.png drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\de-DE\gadget.xml drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\images\buttonUp_Off.png drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-heapdump_zh_CN.jar.fun drpbx.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\hwrlatinlm.dat drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\ja-JP\js\timeZones.js drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-settings.xml.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-api-search_zh_CN.jar.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\images\winXPHandle.png.fun drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\1033\EssentialLetter.dotx drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\content-foreground.png drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyrun.jar.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.apache.lucene.core_3.5.0.v20120725-1805.jar.fun 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\com.jrockit.mc.console.ui.notification_contexts.xml.fun drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\16to9Squareframe_SelectionSubpicture.png drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\1033\Office Word 2003 Look.dotx drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\NotifierBackground.jpg.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.services.nl_ja_4.4.0.v20140623020002.jar.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.engine.nl_zh_4.4.0.v20140623020002.jar.fun drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.net.nl_ja_4.4.0.v20140623020002.jar drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\en-US\js\cpu.js drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-modules-appui.jar.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\ext\locale\updater_zh_CN.jar.fun drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Apex.xml drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\lib\jvm.hprof.txt.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\javax.inject_1.0.0.v20091030.jar.fun 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 created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\BrightOrange\button.gif.fun drpbx.exe File opened for modification C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.0\SubsetList\Client.xml drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\macroprogress.gif drpbx.exe File opened for modification C:\Program Files\Microsoft Games\FreeCell\FreeCellMCE.png drpbx.exe File created C:\Program Files\Microsoft Office\Office14\1033\Mso Example Intl Setup File A.txt.fun drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\BabyBoyMainBackground.wmv drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\images\calendar_double_bkg.png drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\btn_search_over.png drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\dcommon\gifs\feedbck2.gif drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\FlipPage\NavigationUp_ButtonGraphic.png drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Full\15x15dot.png drpbx.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Tracker\br.gif drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.ui.nl_ja_4.4.0.v20140623020002.jar.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\core\locale\com-sun-tools-visualvm-modules-startup_ja.jar.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.registry_3.5.400.v20140428-1507.jar.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-swing-plaf.xml.fun drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormToolImages.jpg.fun drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\4.png drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.browser.jdp.ja_5.5.0.165303.jar.fun drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.apache.batik.css_1.7.0.v201011041433.jar drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.databinding.nl_zh_4.4.0.v20140623020002.jar.fun drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.databinding.observable_1.4.1.v20140210-1835.jar drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-jmx_zh_CN.jar 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 opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.databinding_1.4.2.v20140729-1044.jar drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\utilityfunctions.js drpbx.exe File created C:\Program Files\7-Zip\Lang\pa-in.txt.fun drpbx.exe File created C:\Program Files\Mozilla Firefox\defaults\pref\autoconfig.js.fun drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\1033\UrbanPhotoAlbum.potx drpbx.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1980 wrote to memory of 2628 1980 jigsaw.exe 28 PID 1980 wrote to memory of 2628 1980 jigsaw.exe 28 PID 1980 wrote to memory of 2628 1980 jigsaw.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\jigsaw.exe"C:\Users\Admin\AppData\Local\Temp\jigsaw.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1980 -
C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe"C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\jigsaw.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:2628
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\invalid32x32.gif.fun
- Size 160B
- SHA256 98b6c2ddfefc628d03ceaef9d69688674a6bc32eb707f9ed86bc8c75675c4513
- MD5 580ee0344b7da2786da6a433a1e84893
- SHA1 60f8c4dd5457e9834f5402cb326b1a2d3ca0ba7e
- SHA512 356d2cdea3321e894b5b46ad1ea24c0e3c8be8e3c454b5bd300b7340cbb454e71fc89ca09ea0785b373b483e67c2f6f6bb408e489b0de4ff82d5ed69a75613ba
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
- Size 283KB
- SHA256 3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
- MD5 2773e3dc59472296cb0024ba7715a64e
- SHA1 27d99fbca067f478bb91cdbcb92f13a828b00859
- SHA512 6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262
- SSDEEP 6144:7fukPLPvucHiQQQ4uuy9ApZbZWxcZt+kTfMLJTOAZiYSXjjeqXus:7fu5cCT7yYlWi8kTfMLJTOAZiYSXjyqX
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
- Size 283KB
- SHA256 3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
- MD5 2773e3dc59472296cb0024ba7715a64e
- SHA1 27d99fbca067f478bb91cdbcb92f13a828b00859
- SHA512 6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262
- SSDEEP 6144:7fukPLPvucHiQQQ4uuy9ApZbZWxcZt+kTfMLJTOAZiYSXjjeqXus:7fu5cCT7yYlWi8kTfMLJTOAZiYSXjyqX
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\container.dat.fun
- Size 16B
- SHA256 619e246fc0ac11320ff9e322a979948d949494b0c18217f4d794e1b398818880
- MD5 8ebcc5ca5ac09a09376801ecdd6f3792
- SHA1 81187142b138e0245d5d0bc511f7c46c30df3e14
- SHA512 cec50bfc6ad2f57f16da99459f40f2d424c6d5691685fa1053284f46c8c8c8a975d7bcb1f3521c4f3fbdc310cf4714e29404aa23be6021e2e267c97b090dc650
- MD5 SHA1 SHA512