Analysis Overview
SHA256
fcc9c85254c42d09fd1d24b4153fccd9eba8a9c7dc69939d4407da8990636e06
Threat Level: Known bad
The file jigsaw.zip was found to be: Known bad.
Malicious Activity Summary
Jigsaw Ransomware
Executes dropped EXE
Reads user/profile data of web browsers
Adds Run key to start application
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-03 22:15
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-03 22:15
Reported
2023-09-03 22:36
Platform
win7-20230831-en
Max time kernel
839s
Max time network
843s
Command Line
Signatures
Jigsaw Ransomware
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| 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" | C:\Users\Admin\AppData\Local\Temp\3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files\Microsoft Games\Chess\ChessMCE.png | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.resources_3.9.1.v20140825-1431.jar | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-api-search.jar.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\VideoLAN\VLC\lua\http\css\ui-lightness\images\ui-icons_222222_256x240.png | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files\7-Zip\Lang\el.txt.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\25.png | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\Form_StatusImage.jpg.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Windows Sidebar\Gadgets\CPU.Gadget\it-IT\gadget.xml | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-dialogs_zh_CN.jar.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\HueCycle\NavigationUp_SelectionSubpicture.png | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.directorywatcher.nl_zh_4.4.0.v20140623020002.jar | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveDocumentReview\BodyPaneBackground.jpg.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\icons\time-span-16.png | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Tracker\tl.gif | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.alert.zh_CN_5.5.0.165303.jar.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\es-ES\js\slideShow.js | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\en-US\js\slideShow.js | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms5\validation.js.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-application-views.xml.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre7\lib\plugin.jar | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\ja-JP\gadget.xml | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\btn_close_up.png | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\fr-FR\js\currency.js | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core-multitabs_ja.jar.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-host-views_ja.jar | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\images\play_rest.png | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\images\flower_settings.png | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\1047x576black.png | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\HueCycle\NavigationLeft_ButtonGraphic.png | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\trad_h.png | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files\VideoLAN\VLC\lua\http\requests\browse.xml.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-dialogs.xml.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files\7-Zip\Lang\fy.txt.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_gray_cloudy.png | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.ui.zh_CN_5.5.0.165303.jar | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.jface.nl_zh_4.4.0.v20140623020002.jar | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms5\rtf_pressed.gif.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-options-api_ja.jar.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-awt_zh_CN.jar | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-application-views_zh_CN.jar.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\VideoLAN\VLC\NEWS.txt | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-spi-quicksearch_ja.jar | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\SettingsInternal.zip.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Lang\ta.txt | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\SportsMainToNotesBackground.wmv | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\images\bg-desk.png | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\btn_search_over_BIDI.png | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.greychart.ui.ja_5.5.0.165303.jar | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\DVD Maker\Shared\DvdStyles\4to3Squareframe_VideoInset.png | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\images\play_down.png | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\27.png | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\macroprogress.gif.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft Office\Office14\1033\QuickStyles\Manuscript.dotx.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\settings_left_pressed.png | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\bg_Casual.gif | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\images\macGrey.png.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\images\winXPBlue.png.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\Microsoft Shared\ink\ipsjpn.xml | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.frameworkadmin.nl_ja_4.4.0.v20140623020002.jar.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\bg_LightSpirit.gif.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-host-remote.xml | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File created | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-heapdump_ja.jar.fun | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\drag.png | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
| File opened for modification | C:\Program Files\Windows Sidebar\Gadgets\MediaCenter.Gadget\images\Gadget_WMC_LogoText.png | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2024 wrote to memory of 2340 | N/A | C:\Users\Admin\AppData\Local\Temp\3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe |
| PID 2024 wrote to memory of 2340 | N/A | C:\Users\Admin\AppData\Local\Temp\3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe |
| PID 2024 wrote to memory of 2340 | N/A | C:\Users\Admin\AppData\Local\Temp\3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe | C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe
"C:\Users\Admin\AppData\Local\Temp\3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe"
C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
"C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe
Network
Files
memory/2024-0-0x0000000000FC0000-0x0000000001010000-memory.dmp
memory/2024-1-0x00000000005E0000-0x0000000000618000-memory.dmp
memory/2024-2-0x000007FEF5FE0000-0x000007FEF697D000-memory.dmp
memory/2024-5-0x0000000000BB0000-0x0000000000C30000-memory.dmp
memory/2024-9-0x000007FEF5FE0000-0x000007FEF697D000-memory.dmp
C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
| MD5 | 2773e3dc59472296cb0024ba7715a64e |
| SHA1 | 27d99fbca067f478bb91cdbcb92f13a828b00859 |
| SHA256 | 3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7 |
| SHA512 | 6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262 |
C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
| MD5 | 2773e3dc59472296cb0024ba7715a64e |
| SHA1 | 27d99fbca067f478bb91cdbcb92f13a828b00859 |
| SHA256 | 3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7 |
| SHA512 | 6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262 |
memory/2340-12-0x00000000005E0000-0x0000000000660000-memory.dmp
memory/2340-11-0x0000000001020000-0x0000000001070000-memory.dmp
memory/2340-13-0x000007FEF5FE0000-0x000007FEF697D000-memory.dmp
memory/2340-14-0x000007FEF5FE0000-0x000007FEF697D000-memory.dmp
memory/2024-15-0x000007FEF5FE0000-0x000007FEF697D000-memory.dmp
memory/2340-16-0x000007FEF5FE0000-0x000007FEF697D000-memory.dmp
C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\invalid32x32.gif.fun
| MD5 | 580ee0344b7da2786da6a433a1e84893 |
| SHA1 | 60f8c4dd5457e9834f5402cb326b1a2d3ca0ba7e |
| SHA256 | 98b6c2ddfefc628d03ceaef9d69688674a6bc32eb707f9ed86bc8c75675c4513 |
| SHA512 | 356d2cdea3321e894b5b46ad1ea24c0e3c8be8e3c454b5bd300b7340cbb454e71fc89ca09ea0785b373b483e67c2f6f6bb408e489b0de4ff82d5ed69a75613ba |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\container.dat.fun
| MD5 | 8ebcc5ca5ac09a09376801ecdd6f3792 |
| SHA1 | 81187142b138e0245d5d0bc511f7c46c30df3e14 |
| SHA256 | 619e246fc0ac11320ff9e322a979948d949494b0c18217f4d794e1b398818880 |
| SHA512 | cec50bfc6ad2f57f16da99459f40f2d424c6d5691685fa1053284f46c8c8c8a975d7bcb1f3521c4f3fbdc310cf4714e29404aa23be6021e2e267c97b090dc650 |
memory/2340-1981-0x00000000005E0000-0x0000000000660000-memory.dmp
memory/2340-1984-0x00000000005E0000-0x0000000000660000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-09-03 22:15
Reported
2023-09-03 22:16
Platform
android-x64-arm64-20230831-en
Max time network
8s
Command Line
Signatures
Processes
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp |