jigsaw | e8ac8a79bf4ec0cba992bbded2974968b9bcdadfafe08ed597e604e8099cd64c

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-10-2024 11:24

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General

Target

39bf9972dc02ee8132c5e93f316d45a7_JaffaCakes118.exe
Size

104KB
MD5

39bf9972dc02ee8132c5e93f316d45a7
SHA1

b38b95a891f1c9f813cdf78d449417e175b8795f
SHA256

e8ac8a79bf4ec0cba992bbded2974968b9bcdadfafe08ed597e604e8099cd64c
SHA512

20934951c39ea3159f69715def1e2821f6c275b40cae0e589168ebcb8b55c8da263036cd400c84483429a4db464a4e2537bdd487b53d22c45c8a4c30af792c51
SSDEEP

3072:mF0Dnssj8BDcI6r5rFCAGd6oKwndjBzUU:mmABIIq5hPGd6oKwndNA

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 (1956) 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
2284	AcroRd32.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\Chrome32.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Google (x86)\\Chrome32.exe"	39bf9972dc02ee8132c5e93f316d45a7_JaffaCakes118.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes.nl_zh_4.4.0.v20140623020002.jar	AcroRd32.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-host.xml.btc	AcroRd32.exe
File created	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Annotations\Stamps\Words.pdf.btc	AcroRd32.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\button_left_over.gif.btc	AcroRd32.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\bg_OliveGreen.gif.btc	AcroRd32.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-spi-quicksearch.xml.btc	AcroRd32.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\CPU.Gadget\images\glass_lrg.png	AcroRd32.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\images\novelty_settings.png	AcroRd32.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\images\pause_rest.png	AcroRd32.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\fr-FR\js\currency.js	AcroRd32.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\org-netbeans-lib-profiler-common.jar.btc	AcroRd32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\core\locale\core_ja.jar	AcroRd32.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\NavigationUp_SelectionSubpicture.png	AcroRd32.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\images\base-undocked-4.png	AcroRd32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.flightrecorder.ui.ja_5.5.0.165303.jar	AcroRd32.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\es-ES\gadget.xml	AcroRd32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.attach_5.5.0.165303.jar	AcroRd32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx.ui_5.5.0.165303.jar	AcroRd32.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\bg_SlateBlue.gif.btc	AcroRd32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms5\InfoPathWelcomeImage.jpg	AcroRd32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-attach.xml	AcroRd32.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\images\navBack.png	AcroRd32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.greychartplugin_5.5.0.165303.jar	AcroRd32.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\ja-JP\js\settings.js	AcroRd32.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-bootstrap.xml.btc	AcroRd32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\dcommon\gifs\prodicon.gif	AcroRd32.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\it-IT\gadget.xml	AcroRd32.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\fr-FR\js\calendar.js	AcroRd32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-openide-nodes.jar	AcroRd32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\org-netbeans-modules-profiler-selector-api.jar	AcroRd32.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\topnav.gif.btc	AcroRd32.exe
File opened for modification	C:\Program Files (x86)\Windows Media Player\Media Renderer\DMR_48.jpg	AcroRd32.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\CPU.Gadget\ja-JP\js\cpu.js	AcroRd32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\org-netbeans-lib-profiler.jar	AcroRd32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-attach.xml	AcroRd32.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\rtf_underline.gif.btc	AcroRd32.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\CPU.Gadget\drag.png	AcroRd32.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_black_moon-last-quarter_partly-cloudy.png	AcroRd32.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\images\in_sidebar\slideshow_glass_frame.png	AcroRd32.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\locale\org-openide-util-lookup_ja.jar.btc	AcroRd32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-autoupdate-ui_zh_CN.jar	AcroRd32.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\heart_glass_Thumbnail.bmp	AcroRd32.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\HueCycle\colorcycle.png	AcroRd32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\artifacts.xml	AcroRd32.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.jface.nl_ja_4.4.0.v20140623020002.jar.btc	AcroRd32.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-jvm.jar.btc	AcroRd32.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-favorites.xml.btc	AcroRd32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-nodes_zh_CN.jar	AcroRd32.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\cloud_Thumbnail.bmp	AcroRd32.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\images\add_over.png	AcroRd32.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_blue_windy.png	AcroRd32.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	AcroRd32.exe
File created	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Angles.xml.btc	AcroRd32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\QuickStyles\Formal.dotx	AcroRd32.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\images\play_hov.png	AcroRd32.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\win32_LinkNoDrop32x32.gif.btc	AcroRd32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Microsoft.Office.BusinessApplications.RuntimeUi.xml	AcroRd32.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\icon.png	AcroRd32.exe
File created	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Oriel.xml.btc	AcroRd32.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\nav_rightarrow.png	AcroRd32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_it.jar	AcroRd32.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked-loading.png	AcroRd32.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\btn_close_up.png	AcroRd32.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\SmallLogoCanary.png	AcroRd32.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 2304 wrote to memory of 2284	2304	39bf9972dc02ee8132c5e93f316d45a7_JaffaCakes118.exe	30
PID 2304 wrote to memory of 2284	2304	39bf9972dc02ee8132c5e93f316d45a7_JaffaCakes118.exe	30
PID 2304 wrote to memory of 2284	2304	39bf9972dc02ee8132c5e93f316d45a7_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\39bf9972dc02ee8132c5e93f316d45a7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\39bf9972dc02ee8132c5e93f316d45a7_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Users\Admin\AppData\Local\Adobe (x86)\AcroRd32.exe
  "C:\Users\Admin\AppData\Local\Adobe (x86)\AcroRd32.exe" C:\Users\Admin\AppData\Local\Temp\39bf9972dc02ee8132c5e93f316d45a7_JaffaCakes118.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2284

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.btc

Filesize
160B

MD5
580ee0344b7da2786da6a433a1e84893

SHA1
60f8c4dd5457e9834f5402cb326b1a2d3ca0ba7e

SHA256
98b6c2ddfefc628d03ceaef9d69688674a6bc32eb707f9ed86bc8c75675c4513

SHA512
356d2cdea3321e894b5b46ad1ea24c0e3c8be8e3c454b5bd300b7340cbb454e71fc89ca09ea0785b373b483e67c2f6f6bb408e489b0de4ff82d5ed69a75613ba

Download Submit
C:\Users\Admin\AppData\Local\Adobe (x86)\AcroRd32.exe

Filesize
104KB

MD5
39bf9972dc02ee8132c5e93f316d45a7

SHA1
b38b95a891f1c9f813cdf78d449417e175b8795f

SHA256
e8ac8a79bf4ec0cba992bbded2974968b9bcdadfafe08ed597e604e8099cd64c

SHA512
20934951c39ea3159f69715def1e2821f6c275b40cae0e589168ebcb8b55c8da263036cd400c84483429a4db464a4e2537bdd487b53d22c45c8a4c30af792c51

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

Filesize
16B

MD5
8ebcc5ca5ac09a09376801ecdd6f3792

SHA1
81187142b138e0245d5d0bc511f7c46c30df3e14

SHA256
619e246fc0ac11320ff9e322a979948d949494b0c18217f4d794e1b398818880

SHA512
cec50bfc6ad2f57f16da99459f40f2d424c6d5691685fa1053284f46c8c8c8a975d7bcb1f3521c4f3fbdc310cf4714e29404aa23be6021e2e267c97b090dc650

Download Submit
memory/2284-13-0x000007FEF5CA0000-0x000007FEF663D000-memory.dmp

Filesize
9.6MB

Download
memory/2284-1980-0x000007FEF5CA0000-0x000007FEF663D000-memory.dmp

Filesize
9.6MB

Download
memory/2284-1977-0x000007FEF5CA0000-0x000007FEF663D000-memory.dmp

Filesize
9.6MB

Download
memory/2284-11-0x000007FEF5CA0000-0x000007FEF663D000-memory.dmp

Filesize
9.6MB

Download
memory/2284-12-0x000007FEF5CA0000-0x000007FEF663D000-memory.dmp

Filesize
9.6MB

Download
memory/2304-1-0x0000000000510000-0x000000000051C000-memory.dmp

Filesize
48KB

Download
memory/2304-10-0x000007FEF5CA0000-0x000007FEF663D000-memory.dmp

Filesize
9.6MB

Download
memory/2304-0-0x000007FEF5F5E000-0x000007FEF5F5F000-memory.dmp

Filesize
4KB

Download
memory/2304-3-0x000007FEF5CA0000-0x000007FEF663D000-memory.dmp

Filesize
9.6MB

Download
memory/2304-2-0x000007FEF5CA0000-0x000007FEF663D000-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