jigsaw | 5a5606ab7bdfef1fa8dc0dbc8138e1e330f8ae14717f4d196369448c053dde6c

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 03:43

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General

Target

5a5606ab7bdfef1fa8dc0dbc8138e1e330f8ae14717f4d196369448c053dde6c.exe
Size

2.0MB
MD5

787a833034f151bf6f8145f5842a019d
SHA1

772e0a6f54d0236eeb27043008776369670291d9
SHA256

5a5606ab7bdfef1fa8dc0dbc8138e1e330f8ae14717f4d196369448c053dde6c
SHA512

b38a654dee0ec188351f9810604eff2bebd711d42c9b128e09c5faec0738995c085f32b9ef2f27ffb8b9c3bf204cd470605ea547a989518a2d1d6a1e95d76482
SSDEEP

49152:3pVsby44mK/P4sFPfYQ1dNhq7LZw9PZOAIYZ4C:Znmk9FIeDeZw9MAIep

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
Jigsaw family
jigsaw
Renames multiple (2006) 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
2892	drpbx.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Frfx\\firefox.exe"	5a5606ab7bdfef1fa8dc0dbc8138e1e330f8ae14717f4d196369448c053dde6c.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.css.core.nl_zh_4.4.0.v20140623020002.jar.kkk	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\fr-FR\js\timeZones.js	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx.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.property.nl_zh_4.4.0.v20140623020002.jar	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-api-progress.xml.kkk	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\rtf_alignright.gif	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ka.txt	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\photoedge_videoinset.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.osgi.nl_zh_4.4.0.v20140623020002.jar.kkk	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-core-kit.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-core-ui.xml	drpbx.exe
File created	C:\Program Files\Mozilla Firefox\firefox.VisualElementsManifest.xml.kkk	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\TravelIntroToMain_PAL.wmv	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Templates\1033\ContemporaryPhotoAlbum.potx	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\NavigationLeft_ButtonGraphic.png	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\1033\QuickStyles\Formal.dotx.kkk	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.zh_CN_5.5.0.165303.jar.kkk	drpbx.exe
File opened for modification	C:\Program Files\Windows NT\TableTextService\TableTextServiceYi.txt	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\icon.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.net.nl_zh_4.4.0.v20140623020002.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.director_2.3.100.v20140224-1921.jar	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\es-ES\js\settings.js	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\win32_LinkDrop32x32.gif.kkk	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\rtf_choosefont.gif	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\AssemblyInfo.zip.kkk	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hr.txt	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\bg_Premium.gif.kkk	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_black_moon-waning-gibbous.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-spi-actions.jar	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\CommonData\CommsIncomingImageSmall.jpg	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveProjectToolset\ProjectStatusIconsMask.bmp.kkk	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-jvm_zh_CN.jar.kkk	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\html\dcommon\gifs\bookbig.gif.kkk	drpbx.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ipsesp.xml	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\MediaCenter.Gadget\images\button_MCELogo_mouseover.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_black_moon-waning-crescent_partly-cloudy.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\button_mid.gif	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\images\winXPHandle.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-uihandler.xml	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\NavigationUp_ButtonGraphic.png	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\OutofSyncIconImages.jpg.kkk	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\4to3Squareframe_Buttongraphic.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveDocumentReview\ActiveTabImage.jpg	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench_1.2.1.v20140901-1244.jar.kkk	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.jetty.http_8.1.14.v20131031.jar.kkk	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\ja-JP\js\library.js	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\macroprogress.gif.kkk	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveProjectToolset\ProjectStatusIcons.jpg.kkk	drpbx.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\css\ui-lightness\images\ui-bg_diagonals-thick_20_666666_40x40.png.kkk	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\Panel_Mask_PAL.wmv	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\23.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-swing-outline_ja.jar	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\shuffle_down.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-uisupport.xml	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.director.nl_ja_4.4.0.v20140623020002.jar.kkk	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 (x86)\Windows Sidebar\Gadgets\Currency.Gadget\images\delete_over.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-host.xml.kkk	drpbx.exe
File created	C:\Program Files\Java\jre7\lib\alt-rt.jar.kkk	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Solstice.xml	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.frameworkadmin.nl_zh_4.4.0.v20140623020002.jar.kkk	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\ModuleAutoDeps\org-openide-nodes.xml.kkk	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-jmx.xml	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Office Classic.xml.kkk	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 2824 wrote to memory of 2892	2824	5a5606ab7bdfef1fa8dc0dbc8138e1e330f8ae14717f4d196369448c053dde6c.exe	30
PID 2824 wrote to memory of 2892	2824	5a5606ab7bdfef1fa8dc0dbc8138e1e330f8ae14717f4d196369448c053dde6c.exe	30
PID 2824 wrote to memory of 2892	2824	5a5606ab7bdfef1fa8dc0dbc8138e1e330f8ae14717f4d196369448c053dde6c.exe	30

C:\Users\Admin\AppData\Local\Temp\5a5606ab7bdfef1fa8dc0dbc8138e1e330f8ae14717f4d196369448c053dde6c.exe
"C:\Users\Admin\AppData\Local\Temp\5a5606ab7bdfef1fa8dc0dbc8138e1e330f8ae14717f4d196369448c053dde6c.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
  "C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\5a5606ab7bdfef1fa8dc0dbc8138e1e330f8ae14717f4d196369448c053dde6c.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2892

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

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

C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\invalid32x32.gif.kkk

Filesize
160B

MD5
c55a44def54d2d4ad446279e2396fd53

SHA1
f77e9719392509d2faadeb953d40a3810c100b83

SHA256
257c16c6967bc37b43934987963025ef860d83c198a5a0dc380f72638d6b47f6

SHA512
bd8f3b07592b9036ccd6778cf98e1604ee4e93f3273aed09869dd8ecd1a5c084bf2cadca3eb718c09bbc20487f19ad8848f8dc6e613b5b6155df741fd43a0c59

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

Filesize
2.0MB

MD5
787a833034f151bf6f8145f5842a019d

SHA1
772e0a6f54d0236eeb27043008776369670291d9

SHA256
5a5606ab7bdfef1fa8dc0dbc8138e1e330f8ae14717f4d196369448c053dde6c

SHA512
b38a654dee0ec188351f9810604eff2bebd711d42c9b128e09c5faec0738995c085f32b9ef2f27ffb8b9c3bf204cd470605ea547a989518a2d1d6a1e95d76482

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\DNTException\container.dat.kkk

Filesize
16B

MD5
f676080bd90886ac2ecf680ac3162244

SHA1
30a721d56041472fcf0c255c3c05c89b76093101

SHA256
6e658c85e1ac3f1599673a2374ad5e8fb94520fe68b3f6eefdf108c42acc6414

SHA512
b654a04f020ca0ccb0e9f7ab964e0d6a998b15b02ec47cbcccfd1274b99fddeccdca688b1d39e3d82de28610624f8765b1f5ac52895072f7c4cdb824f1658960

Download Submit
C:\Users\Admin\AppData\Roaming\System32Work\EncryptedFileList.txt

Filesize
189KB

MD5
e4ebeafe618392c0044c2d5cc5bb1afe

SHA1
52f2017befe715e42df742b640676e22c25e2830

SHA256
abfcbdefbdb79a0a294ba0bd9edfdd3faa8bb6e9508259ccd13d91e2930aa5b8

SHA512
c4cce8fd949b36c4a47c2cb25d3085017d44181b32b78019432dca96788d67a5421ba937d541830f92c0fd3ee60bd3932fe76fce69061e10c7b5f4f5a08ca83e

Download Submit
memory/2824-1-0x000007FEF6000000-0x000007FEF699D000-memory.dmp

Filesize
9.6MB

Download
memory/2824-2-0x000007FEF6000000-0x000007FEF699D000-memory.dmp

Filesize
9.6MB

Download
memory/2824-3-0x000000001B260000-0x000000001B3CA000-memory.dmp

Filesize
1.4MB

Download
memory/2824-0-0x000007FEF62BE000-0x000007FEF62BF000-memory.dmp

Filesize
4KB

Download
memory/2824-10-0x000007FEF6000000-0x000007FEF699D000-memory.dmp

Filesize
9.6MB

Download
memory/2892-11-0x000007FEF6000000-0x000007FEF699D000-memory.dmp

Filesize
9.6MB

Download
memory/2892-14-0x000007FEF6000000-0x000007FEF699D000-memory.dmp

Filesize
9.6MB

Download
memory/2892-13-0x000007FEF6000000-0x000007FEF699D000-memory.dmp

Filesize
9.6MB

Download
memory/2892-2028-0x000007FEF6000000-0x000007FEF699D000-memory.dmp

Filesize
9.6MB

Download
memory/2892-2030-0x000007FEF6000000-0x000007FEF699D000-memory.dmp

Filesize
9.6MB

Download
memory/2892-2032-0x000007FEF6000000-0x000007FEF699D000-memory.dmp

Filesize
9.6MB

Download
memory/2892-2033-0x000007FEF6000000-0x000007FEF699D000-memory.dmp

Filesize
9.6MB

Download
memory/2892-2035-0x000000001C7A0000-0x000000001C812000-memory.dmp

Filesize
456KB

Download
memory/2892-2038-0x000007FEF6000000-0x000007FEF699D000-memory.dmp

Filesize
9.6MB

Download
memory/2892-12-0x000007FEF6000000-0x000007FEF699D000-memory.dmp

Filesize
9.6MB

Download
memory/2892-2040-0x000007FEF6000000-0x000007FEF699D000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads