Malware Analysis Report

2024-10-18 23:54

Sample ID 230903-16pyqacg78
Target jigsaw.zip
SHA256 fcc9c85254c42d09fd1d24b4153fccd9eba8a9c7dc69939d4407da8990636e06
Tags
jigsaw persistence ransomware spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

fcc9c85254c42d09fd1d24b4153fccd9eba8a9c7dc69939d4407da8990636e06

Threat Level: Known bad

The file jigsaw.zip was found to be: Known bad.

Malicious Activity Summary

jigsaw persistence ransomware spyware stealer

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

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

"C:\Users\Admin\AppData\Local\Temp\3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe"

Signatures

Jigsaw Ransomware

ransomware jigsaw

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

spyware stealer

Adds Run key to start application

persistence
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

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

N/A

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

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp

Files

N/A