jigsaw | 802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5

General

Target

802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5.exe
Size

78KB
MD5

c5eff77db7eb62c4066247adfcd64797
SHA1

acf5f645a1af2987c8a5398c12d03622feba9d35
SHA256

802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5
SHA512

1610710c081064743dcfc9b7f5cdf42e63c9f78f3f55983c7f00ae6e60124489a5239cafb89375cc8e3d9d7696eeed7bb23f05dcda52644aafee651f69768dbd

Score

10^/10

jigsaw persistence ransomware spyware stealer

Malware Config

Signatures

Jigsaw Ransomware
Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.
ransomware jigsaw
Executes dropped EXE 1 IoCs

Processes:

drpbx.exe

pid process

952 drpbx.exe
Modifies extensions of user files 2 IoCs
Ransomware generally changes the extension on encrypted files.
ransomware

Processes:

drpbx.exe

description ioc process

File created C:\Users\Admin\Pictures\ExitPop.png.fun drpbx.exe
File created C:\Users\Admin\Pictures\TestConnect.raw.fun drpbx.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

pid	process
952	drpbx.exe

description	ioc	process
File created	C:\Users\Admin\Pictures\ExitPop.png.fun	drpbx.exe
File created	C:\Users\Admin\Pictures\TestConnect.raw.fun	drpbx.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\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

Processes:

drpbx.exe

description	ioc	process
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.services.nl_zh_4.4.0.v20140623020002.jar.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\fr-FR\js\picturePuzzle.js	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-lib-uihandler.jar.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\bg_Earthy.gif	drpbx.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\Stationery\Blue_Gradient.jpg	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\SpecialNavigationLeft_SelectionSubpicture.png	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\MediaCenter.Gadget\images\Gadget_WMC_LogoText.png	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\11.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-sendopts.xml.fun	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ast.txt	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Templates\1033\BlackTieResume.dotx	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveProjectToolset\SplashImage.jpg	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-options-api_ja.jar	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\settings_box_top.png	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\TaskbarIconImagesMask256Colors.bmp.fun	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.flightrecorder.controlpanel.ui.configuration_5.5.0.165303.jar	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\bg_SlateBlue.gif.fun	drpbx.exe
File created	C:\Program Files\VideoLAN\VLC\THANKS.txt.fun	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\Memories_buttonClear.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_pt_BR.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jre7\lib\security\US_export_policy.jar	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\InfoPathOM\InfoPathOMFormServices\InfoPathOMFormServicesV12\Microsoft.Office.InfoPath.xml.fun	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-masterfs-nio2.xml	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsViewAttachmentIcons.jpg	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\id.txt	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\sr-spc.txt.fun	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\1033\QuickStyles\Perspective.dotx.fun	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.databinding.observable.nl_ja_4.4.0.v20140623020002.jar.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Templates\1033\ApothecaryNewsletter.dotx	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\activity16v.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-core-ui.jar	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-uihandler.xml.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\bg_GreenTea.gif	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\th.txt.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Templates\1033\EssentialLetter.dotx	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\LoginTool24x24Images.jpg.fun	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench.swt.nl_ja_4.4.0.v20140623020002.jar.fun	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_black_moon-new.png	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\en-US\js\clock.js	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-masterfs.jar.fun	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-swing-plaf.xml	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_black_moon-new_partly-cloudy.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_black_moon-waning-crescent.png	drpbx.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\http\requests\vlm.xml	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\bg_FormsHomePage.gif	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\kaa.txt.fun	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-api-progress.xml.fun	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms5\attention.gif.fun	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ecf.filetransfer_5.0.0.v20140827-1444.jar	drpbx.exe
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	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-masterfs.xml	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-uisupport.jar.fun	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\ro.txt.fun	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\16_9-frame-image-inset.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.rcp_4.3.100.v20141007-2301.jar.fun	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\Sounds\People\Whistling.wav.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\CommonData\AlertImage_ContactLowMask.bmp	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\org-netbeans-modules-profiler.jar.fun	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Essential.xml.fun	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.jarprocessor.nl_zh_4.4.0.v20140623020002.jar.fun	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\fr-FR\js\calendar.js	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-openide-nodes.jar	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\bg_Groove.gif	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core-multitabs_ja.jar.fun	drpbx.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5.exe

description	pid	process	target process
PID 780 wrote to memory of 952	780	802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5.exe	drpbx.exe
PID 780 wrote to memory of 952	780	802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5.exe	drpbx.exe
PID 780 wrote to memory of 952	780	802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5.exe	drpbx.exe

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:780

C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
"C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5.exe
2⤵
- Executes dropped EXE
- Modifies extensions of user files
- Drops file in Program Files directory
PID:952

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
Filesize
78KB

MD5
c5eff77db7eb62c4066247adfcd64797

SHA1
acf5f645a1af2987c8a5398c12d03622feba9d35

SHA256
802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5

SHA512
1610710c081064743dcfc9b7f5cdf42e63c9f78f3f55983c7f00ae6e60124489a5239cafb89375cc8e3d9d7696eeed7bb23f05dcda52644aafee651f69768dbd

Download Submit
C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
Filesize
78KB

MD5
c5eff77db7eb62c4066247adfcd64797

SHA1
acf5f645a1af2987c8a5398c12d03622feba9d35

SHA256
802fef4d4f81c443497362711a7d8611741c30373c96d3229d699f225552a5f5

SHA512
1610710c081064743dcfc9b7f5cdf42e63c9f78f3f55983c7f00ae6e60124489a5239cafb89375cc8e3d9d7696eeed7bb23f05dcda52644aafee651f69768dbd

Download Submit
memory/780-55-0x000007FEF1B70000-0x000007FEF2C06000-memory.dmp

Filesize
16.6MB

Download
memory/780-56-0x000007FEFBA91000-0x000007FEFBA93000-memory.dmp

Filesize
8KB

Download
memory/952-57-0x0000000000000000-mapping.dmp

Download
memory/952-60-0x000007FEF4EB0000-0x000007FEF58D3000-memory.dmp

Filesize
10.1MB

Download
memory/952-61-0x000007FEF1B70000-0x000007FEF2C06000-memory.dmp

Filesize
16.6MB

Download
memory/952-62-0x0000000000A6B000-0x0000000000A8A000-memory.dmp

Filesize
124KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads