jigsaw | 05f42b673ebd0d13220a1ec382ddc830892c5ca3376089dfea0b72d601483d7a

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29-05-2024 15:47

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General

Target

JigsawRansomware.exe
Size

60KB
MD5

72c2cc3ab874b3cb59bca4724cf0c1e7
SHA1

f57625becb7513623ce1dc4a18f30a8df0c5763b
SHA256

05f42b673ebd0d13220a1ec382ddc830892c5ca3376089dfea0b72d601483d7a
SHA512

f9772b4fc46ae66cdcc110de1f5429f4c5f233373e13b0da839788aff076f29a5a93d16664ab91cb0664227f34d39698e112cff3c5d2db8b5eab1dd9cb6c583a
SSDEEP

768:Y1EW7GeB4uyTbIJgysVnlphLMZwZxeKtYJ8xDTIZUY2QRT/b4I19Yi6WrGgpCe0f:Y1E4Bgyulpzs+IZUY1sIzYi7D10Py7O

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 (1961) 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
2520	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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Frfx\\firefox.exe"	JigsawRansomware.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Windows Media Player\Network Sharing\wmpnss_bw48.jpg	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-sampler.xml	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\CommonData\CommsOutgoingImageSmall.jpg	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\ja-JP\js\highDpiImageSwap.js	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mn.txt	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\square_settings.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\RSSFeeds.Gadget\fr-FR\gadget.xml	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\rtf_bullets.gif	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\locale\boot_ja.jar	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_gray_hail.png	drpbx.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\baseAltGr_rtl.xml	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.swt_3.103.1.v20140903-1938.jar	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Newsprint.xml.fun	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.greychart.ui.zh_CN_5.5.0.165303.jar.fun	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.bindings.nl_zh_4.4.0.v20140623020002.jar.fun	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.repository.nl_zh_4.4.0.v20140623020002.jar.fun	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\License.txt	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft.NET\RedistList\AssemblyList_4_extended.xml	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\shadowonlyframe_videoinset.png	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\rtf_italic.gif.fun	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-tools.xml	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.css.swt.theme.nl_zh_4.4.0.v20140623020002.jar	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-core-output2.jar.fun	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-selector-api_zh_CN.jar.fun	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\tk.txt.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Templates\1033\ExecutiveMergeLetter.dotx	drpbx.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\split.avi	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_black_thunderstorm.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.win32.nl_zh_4.4.0.v20140623020002.jar.fun	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\22.png	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_black_rainy.png	drpbx.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base_ca.xml	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\ext\dnsns.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.help.webapp.nl_zh_4.4.0.v20140623020002.jar	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\CircleSubpicture.png	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\images\bg-today.png	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\images\item_hover_flyout.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-loaders_ja.jar.fun	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.swt.win32.win32.x86_64.nl_ja_4.4.0.v20140623020002.jar	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\macHandle.png.fun	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core-multiview_zh_CN.jar	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-keyring.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_zh_CN.jar	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mng2.txt	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\javaws.jar.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\CPU.Gadget\images\dial_lrg.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\QuickStyles\Formal.dotx	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench.addons.swt_1.1.1.v20140903-0821.jar.fun	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-core-multitabs.jar	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-attach.jar.fun	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Pets_btn-next-static.png	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\es-ES\gadget.xml	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\images\graph_over.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms5\rtf_justify.gif	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\ResourceInternal.zip.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\VisualBasic\1033\Dataset.zip	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\deploy.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\artifacts.xml	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\glow.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.views_3.7.0.v20140408-0703.jar.fun	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\es-ES\js\picturePuzzle.js	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\rtf_choosefont.gif	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\rtf_choosecolor.gif	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 2120 wrote to memory of 2520	2120	JigsawRansomware.exe	28
PID 2120 wrote to memory of 2520	2120	JigsawRansomware.exe	28
PID 2120 wrote to memory of 2520	2120	JigsawRansomware.exe	28

C:\Users\Admin\AppData\Local\Temp\JigsawRansomware.exe
"C:\Users\Admin\AppData\Local\Temp\JigsawRansomware.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
  "C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\JigsawRansomware.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2520

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

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

Filesize
160B

MD5
000e8c41d4a15fb34d0be0dbb56e3778

SHA1
00c4eae64ee6239d7c65d819c6ce1ac329224f8c

SHA256
8bdfa6a5b7de345cf0d4fe0e9c17d8b0e9db26d58b05b1b2ebbb3a05a068ff28

SHA512
775d832eb8ab73e4a93789917dca69edb6c91fbb426e02acf7c6e213ffb4575776187209d1c471fbf57c4621ea3c23d9850f6dfc2770d62c17de9d66710800af

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

Filesize
60KB

MD5
72c2cc3ab874b3cb59bca4724cf0c1e7

SHA1
f57625becb7513623ce1dc4a18f30a8df0c5763b

SHA256
05f42b673ebd0d13220a1ec382ddc830892c5ca3376089dfea0b72d601483d7a

SHA512
f9772b4fc46ae66cdcc110de1f5429f4c5f233373e13b0da839788aff076f29a5a93d16664ab91cb0664227f34d39698e112cff3c5d2db8b5eab1dd9cb6c583a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\container.dat.fun

Filesize
16B

MD5
cfdae8214d34112dbee6587664059558

SHA1
f649f45d08c46572a9a50476478ddaef7e964353

SHA256
33088cb514406f31e3d96a92c03294121ee9f24e176f7062625c2b36bee7a325

SHA512
c260f2c223ecbf233051ac1d6a1548ad188a2777085e9d43b02da41b291ff258e4c506f99636150847aa24918c7bbb703652fef2fe55b3f50f85b5bd8dd5f6e3

Download Submit
memory/2120-0-0x000007FEF60AE000-0x000007FEF60AF000-memory.dmp

Filesize
4KB

Download
memory/2120-1-0x000007FEF5DF0000-0x000007FEF678D000-memory.dmp

Filesize
9.6MB

Download
memory/2120-2-0x000007FEF5DF0000-0x000007FEF678D000-memory.dmp

Filesize
9.6MB

Download
memory/2120-9-0x000007FEF5DF0000-0x000007FEF678D000-memory.dmp

Filesize
9.6MB

Download
memory/2520-10-0x000007FEF5DF0000-0x000007FEF678D000-memory.dmp

Filesize
9.6MB

Download
memory/2520-11-0x000007FEF5DF0000-0x000007FEF678D000-memory.dmp

Filesize
9.6MB

Download
memory/2520-238-0x000007FEF5DF0000-0x000007FEF678D000-memory.dmp

Filesize
9.6MB

Download
memory/2520-1981-0x000007FEF5DF0000-0x000007FEF678D000-memory.dmp

Filesize
9.6MB

Download
memory/2520-1984-0x000007FEF5DF0000-0x000007FEF678D000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads