jigsaw | 3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7

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30/06/2024, 10:58

240630-m2967szdpl10

30/06/2024, 00:56

240630-bafbzavanl10

29/06/2024, 23:50

240629-3vn86atapp10

Analysis

max time kernel
361s
max time network
362s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
29/06/2024, 23:50

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General

Target
Ransomware.Jigsaw.exe
Size 283KB
Sample240629-3vn86atapp
SHA256 3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
MD5 2773e3dc59472296cb0024ba7715a64e
SHA1 27d99fbca067f478bb91cdbcb92f13a828b00859
SHA512 6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262
SSDEEP 6144:7fukPLPvucHiQQQ4uuy9ApZbZWxcZt+kTfMLJTOAZiYSXjjeqXus:7fu5cCT7yYlWi8kTfMLJTOAZiYSXjyqX
MD5 SHA1 SHA512 SSDEEP

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
Renames multiple (2021) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Executes dropped EXE 1 IoCs

pid	Process
2936	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
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Frfx\\firefox.exe"	Ransomware.Jigsaw.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\Stationery\ShadesOfBlue.jpg	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\plugin.jar	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\images\dial_sml.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\images\settings_box_divider_left.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.jface.text.nl_zh_4.4.0.v20140623020002.jar	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\btn-previous-static.png	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\MediaCenter.Gadget\it-IT\gadget.xml	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.apache.felix.gogo.runtime_0.10.0.v201209301036.jar.fun	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.garbagecollector_1.0.200.v20131115-1210.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\winClassicTSFrame.png.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows NT\TableTextService\TableTextServiceSimplifiedZhengMa.txt	drpbx.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ipsjpn.xml	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\HueCycle\15x15dot.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.help.webapp.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.ui.workbench.nl_zh_4.4.0.v20140623020002.jar.fun	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-autoupdate-cli.xml.fun	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\Solutions\Document.gif.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveDocumentReview\ActiveTabImage.jpg	drpbx.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\http\js\common.js	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\com.jrockit.mc.rcp.product_5.5.0.165303\feature.xml.fun	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\gu.txt.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\InfoPathOM\Microsoft.Office.InfoPath.xml	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\SketchIconImages.bmp.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\images\prev_down.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 created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.help.nl_zh_4.4.0.v20140623020002.jar.fun	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\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-uihandler_ja.jar	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Thatch.xml.fun	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\NavigationRight_ButtonGraphic.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\settings_divider_left.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.mbeanbrowser_5.5.0.165303.jar	drpbx.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\http\images\Back-48.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-core.jar	drpbx.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\symbols.xml	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\9.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\CommonData\AlertImage_FileHighMask.bmp	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\button_mid_over.gif	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-lib-profiler-charts_zh_CN.jar.fun	drpbx.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\http\css\ui-lightness\images\ui-icons_ffffff_256x240.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\bg_FormsHomePageBlank.gif	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-compat.xml	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sa.txt	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Media Player\Media Renderer\RenderingControl.xml	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\16to9Squareframe_VideoInset.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Office Classic.xml	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\plugin.jar.fun	drpbx.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\images\vlc-48.png.fun	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\UserControl.zip.fun	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\nav_uparrow.png	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\images\buttonUp_On.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\images\graph_over.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rcp.application.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.equinox.p2.repository.nl_ja_4.4.0.v20140623020002.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-modules-startup.xml	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Rectangles\NavigationLeft_ButtonGraphic.png	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\cronometer.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\org-netbeans-modules-profiler_visualvm.jar.fun	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\ext\locale\updater_ja.jar	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\da.txt	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fur.txt	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_gray_snow.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.flightrecorder.ui.zh_CN_5.5.0.165303.jar.fun	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\org-openide-util.jar.fun	drpbx.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2936	2136	Ransomware.Jigsaw.exe	29
PID 2136 wrote to memory of 2936	2136	Ransomware.Jigsaw.exe	29
PID 2136 wrote to memory of 2936	2136	Ransomware.Jigsaw.exe	29

C:\Users\Admin\AppData\Local\Temp\Ransomware.Jigsaw.exe
"C:\Users\Admin\AppData\Local\Temp\Ransomware.Jigsaw.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
  "C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\Ransomware.Jigsaw.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

invalid32x32.gif.fun

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

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drpbx.exe

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

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container.dat.fun

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

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memory/2136-1-0x0000000001F40000-0x0000000001F78000-memory.dmp

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memory/2136-6-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

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memory/2136-0-0x000007FEF5A8E000-0x000007FEF5A8F000-memory.dmp

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memory/2136-10-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

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memory/2136-5-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

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memory/2936-256-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

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memory/2936-12-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

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memory/2936-255-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

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memory/2936-13-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

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memory/2936-254-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

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memory/2936-11-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

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memory/2936-2045-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

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memory/2936-2048-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

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Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads