jigsaw | 91312ac2c8fa00d56b7ce9839f8a2934620f69ef6043a0c177c810870d6edd92

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
03-08-2024 03:06

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

rBlbqI2.exe
Size

291KB
MD5

2fec9bf50de5395f799b23a1099b10d6
SHA1

6000969e75d7d7a3fa1b908bdb9d5daeb5f2534e
SHA256

df049efbfa7ac0b76c8daff5d792c550c7a7a24f6e9e887d01a01013c9caa763
SHA512

5f6885fb1940ee4f84507e2b7929f637d8f264a5c77329aeae31803b772608ea93370177017f90f6f8d8bc9e0b30eb8607ed120d4ead68104fd70feec71a9ab8
SSDEEP

6144:pdSK04ETTZ+4TBpvjLCnVlBpevKBauJirVuD05VSKJ:poL4EnU4T/vjLeVlayRihuA5D

Score

10^/10

jigsaw discovery 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 (2106) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Executes dropped EXE 1 IoCs

Processes:

drpbx.exe

pid	Process
328	drpbx.exe

Loads dropped DLL 1 IoCs

Processes:

rBlbqI2.exe

pid	Process
2568	rBlbqI2.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

Processes:

rBlbqI2.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Frfx\\firefox.exe"	rBlbqI2.exe

Drops file in Program Files directory 64 IoCs

Processes:

drpbx.exe

description	ioc	Process
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\42.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.alert.ja_5.5.0.165303.jar.zemblax	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.databinding.property_1.4.200.v20140214-0004.jar.zemblax	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\es-ES\js\settings.js	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\core\com-sun-tools-visualvm-modules-startup.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-api-search_ja.jar	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Waveform.xml.zemblax	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\fr-FR\js\weather.js	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-autoupdate-services.jar.zemblax	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.directorywatcher.nl_zh_4.4.0.v20140623020002.jar	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\asl-v20.txt.zemblax	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\Resource.zip	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\fr-FR\slideShow.html	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Templates\1033\Office Word 2003 Look.dotx.zemblax	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\RSSFeeds.Gadget\images\buttonUp_On.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.ui_5.5.0.165303.jar.zemblax	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\Sounds\People\Whistling.wav.zemblax	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\it-IT\js\calendar.js	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\ja-JP\js\picturePuzzle.js	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-core-windows.xml.zemblax	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sr-spl.txt	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\fr-FR\currency.html	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ecf.provider.filetransfer.httpclient4_1.0.800.v20140827-1444.jar	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-core-kit.xml.zemblax	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\Swirl\background.gif.zemblax	drpbx.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\Stationery\Tanspecks.jpg	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.databinding.beans.nl_zh_4.4.0.v20140623020002.jar.zemblax	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\it-IT\js\clock.js	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-openide-nodes.jar.zemblax	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-api-progress.xml.zemblax	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-sampler.xml.zemblax	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\bg_Premium.gif	drpbx.exe
File created	C:\Program Files\Java\jre7\lib\plugin.jar.zemblax	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\de-DE\gadget.xml	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-uisupport.xml.zemblax	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Elemental.xml.zemblax	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-core.jar.zemblax	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms5\FormsColorChart.html	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-oql_zh_CN.jar	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 created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.equinox.p2.core.feature_1.3.0.v20140523-0116\license.html.zemblax	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Opulent.xml	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\logo.png	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\kk.txt	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\fr-FR\settings.html	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\Shared24x24ImagesMask.bmp.zemblax	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsImageTemplate.html	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\az.txt	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.help.ui_4.0.100.v20140401-0608.jar.zemblax	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-masterfs.jar.zemblax	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\bg_FormsHomePage.gif	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms5\FormsViewAttachmentIcons.jpg	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core_ja.jar	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\ja-JP\gadget.xml	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_black_thunderstorm.png	drpbx.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\LogoCanary.png	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\ViewHeaderPreview.jpg.zemblax	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Angles.xml.zemblax	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.services_1.1.0.v20140328-1925.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\core\org-openide-filesystems.jar	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\images\cronometer_m.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Grid.xml	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Shatter\NavigationRight_SelectionSubpicture.png	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\15x15dot.png	drpbx.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

rBlbqI2.exedrpbx.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rBlbqI2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	drpbx.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

rBlbqI2.exedrpbx.exe

description	pid	Process
Token: SeDebugPrivilege	2568	rBlbqI2.exe
Token: SeDebugPrivilege	328	drpbx.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

rBlbqI2.exe

description	pid	Process	procid_target
PID 2568 wrote to memory of 328	2568	rBlbqI2.exe	30
PID 2568 wrote to memory of 328	2568	rBlbqI2.exe	30
PID 2568 wrote to memory of 328	2568	rBlbqI2.exe	30
PID 2568 wrote to memory of 328	2568	rBlbqI2.exe	30

C:\Users\Admin\AppData\Local\Temp\rBlbqI2.exe
"C:\Users\Admin\AppData\Local\Temp\rBlbqI2.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
  "C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\rBlbqI2.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:328

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
160B

MD5
000e8c41d4a15fb34d0be0dbb56e3778

SHA1
00c4eae64ee6239d7c65d819c6ce1ac329224f8c

SHA256
8bdfa6a5b7de345cf0d4fe0e9c17d8b0e9db26d58b05b1b2ebbb3a05a068ff28

SHA512
775d832eb8ab73e4a93789917dca69edb6c91fbb426e02acf7c6e213ffb4575776187209d1c471fbf57c4621ea3c23d9850f6dfc2770d62c17de9d66710800af

Download Submit
C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\epl-v10.html.zemblax

Filesize
12KB

MD5
bd42ba47ff97fd7e395c90f79e0f9508

SHA1
c2d8069ff6d72f3c63eeeac23933e5620f649d9d

SHA256
3ad6f0a5c15cd3e24aa59e9687649e0d8d8b85789f3feef68e22b61a34a183e5

SHA512
4eb6b58c46225f6e96bf41177892131384507cd8437e314426b797797c10960db52b84abd1fbf3cd845d1ed4bb8c67d2be3099a9ff5379a04d059b0557ef7fca

Download Submit
C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\license.html.zemblax

Filesize
8KB

MD5
29c6678d44aa7966ae163d70dd9f3661

SHA1
04e2608b9497905befec2c9c74931cdd14c754e8

SHA256
f7634f4769d57b1fd7ff257cafd60a0b309194e610202dfd26fc5113d0abf834

SHA512
e80a6a0270d20e255f84ee6ef285b610b79731058f88272b8246e4f0c97222cebf2113d7ae70a1a145c0bec2a94fea5cb5abff0203a8be64c634a9b9b6a3b1b6

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

Filesize
16B

MD5
cfdae8214d34112dbee6587664059558

SHA1
f649f45d08c46572a9a50476478ddaef7e964353

SHA256
33088cb514406f31e3d96a92c03294121ee9f24e176f7062625c2b36bee7a325

SHA512
c260f2c223ecbf233051ac1d6a1548ad188a2777085e9d43b02da41b291ff258e4c506f99636150847aa24918c7bbb703652fef2fe55b3f50f85b5bd8dd5f6e3

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

Filesize
291KB

MD5
2fec9bf50de5395f799b23a1099b10d6

SHA1
6000969e75d7d7a3fa1b908bdb9d5daeb5f2534e

SHA256
df049efbfa7ac0b76c8daff5d792c550c7a7a24f6e9e887d01a01013c9caa763

SHA512
5f6885fb1940ee4f84507e2b7929f637d8f264a5c77329aeae31803b772608ea93370177017f90f6f8d8bc9e0b30eb8607ed120d4ead68104fd70feec71a9ab8

Download Submit
memory/328-167-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2568-38-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-30-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-62-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-64-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-60-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-58-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-56-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-54-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-52-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-50-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-46-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-44-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-42-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-40-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-0-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2568-36-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-34-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-48-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-28-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-26-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-24-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-22-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-18-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-16-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-14-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-12-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-8-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-6-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-32-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-166-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2568-20-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-10-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-4-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-2-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download
memory/2568-1-0x0000000001E60000-0x0000000001E94000-memory.dmp

Filesize
208KB

Download