jigsaw | 3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7

Resubmissions

11-01-2024 17:37

240111-v7jkfadga9 10

11-01-2024 13:56

240111-q81g5ahbcj 10

22-12-2023 04:42

231222-fbwgssebbj 10

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
22-12-2023 04:42

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General

Target

Jigsaw.exe
Size

283KB
MD5

2773e3dc59472296cb0024ba7715a64e
SHA1

27d99fbca067f478bb91cdbcb92f13a828b00859
SHA256

3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
SHA512

6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262
SSDEEP

6144:7fukPLPvucHiQQQ4uuy9ApZbZWxcZt+kTfMLJTOAZiYSXjjeqXus:7fu5cCT7yYlWi8kTfMLJTOAZiYSXjyqX

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 (2019) 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
2464	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-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Frfx\\firefox.exe"	Jigsaw.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\browser\VisualElements\PrivateBrowsing_150.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\tile_bezel.png	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\it-IT\js\slideShow.js	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\plugin.xml.fun	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-utilities_ja.jar	drpbx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Linguistics\LanguageNames2\DisplayLanguageNames.en_CA.txt	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\bg_Premium.gif.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\SettingsInternal.zip	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\WhiteDot.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\icons\time-span-16.png.fun	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-text_ja.jar.fun	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sv.txt	drpbx.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\Stationery\Garden.jpg	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\javaws.jar	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\attention.gif	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\core\locale\org-openide-filesystems_zh_CN.jar	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\11.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench3_0.12.0.v20140227-2118.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-options-api.jar	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-uihandler.jar.fun	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\lib\jfluid-server.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-editor-mimelookup.xml	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\novelty_s.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.flightrecorder.controlpanel.ui_5.5.0.165303.jar.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\button_left.gif	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\SoftBlue\background.gif.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\STS2\background.gif	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Opulent.xml.fun	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\button-highlight.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\it-IT\gadget.xml	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.jface.databinding_1.6.200.v20140528-1422.jar	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\pl.txt.fun	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\27.png	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\bg_LightSpirit.gif.fun	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\include\win32\bridge\AccessBridgeCallbacks.h	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.engine.nl_zh_4.4.0.v20140623020002.jar	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.help_3.6.0.v20130326-1254.jar.fun	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Microsoft.Office.Interop.InfoPath.Xml.xml.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\settings_divider.png	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\bg_OliveGreen.gif.fun	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-windows_ja.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-attach_zh_CN.jar	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\images\modern_m.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\feature.xml.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\viewSelectionChanged.js	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\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\settings_box_top.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.emf.ecore_2.10.1.v20140901-1043\feature.xml	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-keyring-impl.jar.fun	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-jvmstat_ja.jar.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Composite.xml	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_blue_sun.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\SketchIconImages.bmp	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.jsp.jasper_1.0.400.v20130327-1442.jar.fun	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.publisher.eclipse.nl_ja_4.4.0.v20140623020002.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\ModuleAutoDeps\org-openide-text.xml	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-text.xml	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\es-ES\js\localizedStrings.js	drpbx.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\hwrfralm.dat	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_de_DE.jar.fun	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\images\combo-hover-middle.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\images\bNext-down.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\22.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.net.win32.x86_64.nl_ja_4.4.0.v20140623020002.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 1792 wrote to memory of 2464	1792	Jigsaw.exe	23
PID 1792 wrote to memory of 2464	1792	Jigsaw.exe	23
PID 1792 wrote to memory of 2464	1792	Jigsaw.exe	23

C:\Users\Admin\AppData\Local\Temp\Jigsaw.exe
"C:\Users\Admin\AppData\Local\Temp\Jigsaw.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
  "C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\Jigsaw.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2464

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

Replay Monitor

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Downloads

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

Filesize
160B

MD5
580ee0344b7da2786da6a433a1e84893

SHA1
60f8c4dd5457e9834f5402cb326b1a2d3ca0ba7e

SHA256
98b6c2ddfefc628d03ceaef9d69688674a6bc32eb707f9ed86bc8c75675c4513

SHA512
356d2cdea3321e894b5b46ad1ea24c0e3c8be8e3c454b5bd300b7340cbb454e71fc89ca09ea0785b373b483e67c2f6f6bb408e489b0de4ff82d5ed69a75613ba

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

Filesize
68KB

MD5
0a2c773b4935324bcd693871dddc60db

SHA1
a011826679a3a50eb7ce6dc5069fb86da9956ef8

SHA256
c8085811dba4dc3317fd600fe5ad25752553c8770203ca1eddc8c998cc6e0dd9

SHA512
b1d7c3afe5f8fbf8e924ae3fbd9b05be2bd836fab8bb8160c8323e494ad4443241e03507b0bfef5389ab9d0daff9ef560f0926a443a2b16c4a9d225cee3f7d5c

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

Filesize
114KB

MD5
8c5e2ab35ef431022bb14a2864739bf1

SHA1
be96815222a9f52e5c7c9409a18aca3ef71b3964

SHA256
bdbdafb72ed3f169d410bce68ec0db1a8dcc09b8aa5ac15aa266376c1a90f03c

SHA512
64d32952596e6069a8235506b455f0fcfe70a206322a4cb9589176d1beb6e61069dd84157f4ac5fcc1be64c0ce1667ffcd65f474fd5a12aa9d00d2e297f0e0cd

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

Filesize
16B

MD5
8ebcc5ca5ac09a09376801ecdd6f3792

SHA1
81187142b138e0245d5d0bc511f7c46c30df3e14

SHA256
619e246fc0ac11320ff9e322a979948d949494b0c18217f4d794e1b398818880

SHA512
cec50bfc6ad2f57f16da99459f40f2d424c6d5691685fa1053284f46c8c8c8a975d7bcb1f3521c4f3fbdc310cf4714e29404aa23be6021e2e267c97b090dc650

Download Submit
memory/1792-10-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/1792-1-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/1792-2-0x0000000000980000-0x0000000000A00000-memory.dmp

Filesize
512KB

Download
memory/1792-0-0x0000000000900000-0x0000000000938000-memory.dmp

Filesize
224KB

Download
memory/1792-5-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/2464-12-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/2464-247-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/2464-248-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/2464-11-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/2464-2041-0x0000000000C40000-0x0000000000CC0000-memory.dmp

Filesize
512KB

Download
memory/2464-2044-0x0000000000C40000-0x0000000000CC0000-memory.dmp

Filesize
512KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads