jigsaw | 897c8b26c82d78f14a43a0e7b3617993a806f7fa45812427c3b12a141bb7ce96

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-10-2024 10:38

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General

Target

2024-10-23_dc3ba6285c2a5669fbb95587532eed68_hiddentear.exe
Size

606KB
MD5

dc3ba6285c2a5669fbb95587532eed68
SHA1

53bb4a49e23830ba559db00f7949a4189c7eb596
SHA256

897c8b26c82d78f14a43a0e7b3617993a806f7fa45812427c3b12a141bb7ce96
SHA512

9d1531701810d5c3a8fd57fc054908d85dc8e0edfbd58f6e8806e43a275dc6b8d99118e67f954ce3a88c95f140d345ec5441dc0908a1b4c3fe9c331cfd9a2aed
SSDEEP

12288:g4XLj1zY8ejQ8BLXYTiMXrX0IHPfuTjaDt01zWY+EOiOLAAf:jXFzYVMLz0sDD2+r8A

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 (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
2084	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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Frfx\\firefox.exe"	2024-10-23_dc3ba6285c2a5669fbb95587532eed68_hiddentear.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\boxed-split.avi	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\btn_search_up.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\com.jrockit.mc.feature.rcp_5.5.0.165303\feature.xml.math	drpbx.exe
File created	C:\Program Files\Microsoft Office\Office14\1033\Mso Example Intl Setup File B.txt.math	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rcp.application.ja_5.5.0.165303.jar.math	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.publisher.nl_ja_4.4.0.v20140623020002.jar	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\ja-JP\js\picturePuzzle.js	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Templates\1033\ExecutiveResume.dotx.math	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\NavigationUp_SelectionSubpicture.png	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\it-IT\gadget.xml	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\es-ES\gadget.xml	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.engine.nl_ja_4.4.0.v20140623020002.jar.math	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\Discussion\DiscussionToolIconImages.jpg	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\ext.txt.math	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.mbeanbrowser_5.5.0.165303.jar	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\es-ES\js\calendar.js	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\es-ES\js\calendar.js	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.feature_1.1.0.v20140827-1444\feature.xml	drpbx.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\conticon.gif	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\it-IT\gadget.xml	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.concurrent_1.1.0.v20130327-1442.jar.math	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.repository.nl_ja_4.4.0.v20140623020002.jar	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)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\VisualBasic\1033\UserControl.zip	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\images\settings_divider_right.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Civic.xml	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\Clock.Gadget\images\system.png	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\macTSFrame.png.math	drpbx.exe
File created	C:\Program Files\Microsoft Office\Office14\1033\Mso Example Intl Setup File A.txt.math	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\CPU.Gadget\images\dial_sml.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.mbeanbrowser.zh_CN_5.5.0.165303.jar	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\button_right.gif.math	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveProjectToolset\ProjectToolsetIconImagesMask.bmp	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Templates\1033\WidescreenPresentation.potx	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\btn-next-static.png	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\46.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\images\add_down.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\javax.inject_1.0.0.v20091030.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.osgi.nl_ja_4.4.0.v20140623020002.jar	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\ModuleAutoDeps\org-openide-nodes.xml.math	drpbx.exe
File opened for modification	C:\Program Files\Windows Media Player\Media Renderer\DMR_120.jpg	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\RSSFeeds.Gadget\images\buttonDown_On.png	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\settings_corner_top_left.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\images\graph_down.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.historicaldata.zh_CN_5.5.0.165303.jar.math	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\en-US\js\slideShow.js	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Concourse.xml	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\CPU.Gadget\drag.png	drpbx.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main.xml	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Shatter\NavigationLeft_SelectionSubpicture.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\button_mid_disable.gif	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core-multitabs_ja.jar	drpbx.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\Stationery\Notebook.jpg	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\InfoPathOM\InfoPathOMV12\Microsoft.Office.InfoPath.xml	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\images\delete_up.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.databinding.nl_ja_4.4.0.v20140623020002.jar.math	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.ui_2.3.0.v20140404-1657.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jre7\lib\images\cursors\win32_CopyNoDrop32x32.gif	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormToolImages.jpg	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-swing-plaf.xml	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\sa-jdi.jar	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\it-IT\js\weather.js	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-options-api.xml.math	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 2308 wrote to memory of 2084	2308	2024-10-23_dc3ba6285c2a5669fbb95587532eed68_hiddentear.exe	31
PID 2308 wrote to memory of 2084	2308	2024-10-23_dc3ba6285c2a5669fbb95587532eed68_hiddentear.exe	31
PID 2308 wrote to memory of 2084	2308	2024-10-23_dc3ba6285c2a5669fbb95587532eed68_hiddentear.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-10-23_dc3ba6285c2a5669fbb95587532eed68_hiddentear.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-23_dc3ba6285c2a5669fbb95587532eed68_hiddentear.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
  "C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\2024-10-23_dc3ba6285c2a5669fbb95587532eed68_hiddentear.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2084

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.math

Filesize
160B

MD5
000e8c41d4a15fb34d0be0dbb56e3778

SHA1
00c4eae64ee6239d7c65d819c6ce1ac329224f8c

SHA256
8bdfa6a5b7de345cf0d4fe0e9c17d8b0e9db26d58b05b1b2ebbb3a05a068ff28

SHA512
775d832eb8ab73e4a93789917dca69edb6c91fbb426e02acf7c6e213ffb4575776187209d1c471fbf57c4621ea3c23d9850f6dfc2770d62c17de9d66710800af

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

Filesize
606KB

MD5
dc3ba6285c2a5669fbb95587532eed68

SHA1
53bb4a49e23830ba559db00f7949a4189c7eb596

SHA256
897c8b26c82d78f14a43a0e7b3617993a806f7fa45812427c3b12a141bb7ce96

SHA512
9d1531701810d5c3a8fd57fc054908d85dc8e0edfbd58f6e8806e43a275dc6b8d99118e67f954ce3a88c95f140d345ec5441dc0908a1b4c3fe9c331cfd9a2aed

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

Filesize
16B

MD5
cfdae8214d34112dbee6587664059558

SHA1
f649f45d08c46572a9a50476478ddaef7e964353

SHA256
33088cb514406f31e3d96a92c03294121ee9f24e176f7062625c2b36bee7a325

SHA512
c260f2c223ecbf233051ac1d6a1548ad188a2777085e9d43b02da41b291ff258e4c506f99636150847aa24918c7bbb703652fef2fe55b3f50f85b5bd8dd5f6e3

Download Submit
C:\Users\Admin\Documents\SubmitCompress.xlsx.math

Filesize
13KB

MD5
867de9b230a8c7b4015e2ea230aa71ec

SHA1
d66491bfc0e90001db56c95449c369b5f3822b02

SHA256
289df4460c8911439f9119f785f8c577aab38ddec10df844a5b5c903c71b2d95

SHA512
c7f21c7a523744ab5927826f36ee7a041845272ff4c58396f9ccfa348e6bc04312fcef138beb908d076b10dcc2139859c92ccba43f256233e3d3f55a2721d979

Download Submit
memory/2084-2030-0x000007FEF5460000-0x000007FEF5DFD000-memory.dmp

Filesize
9.6MB

Download
memory/2084-2027-0x000007FEF5460000-0x000007FEF5DFD000-memory.dmp

Filesize
9.6MB

Download
memory/2084-9-0x000007FEF5460000-0x000007FEF5DFD000-memory.dmp

Filesize
9.6MB

Download
memory/2084-10-0x000007FEF5460000-0x000007FEF5DFD000-memory.dmp

Filesize
9.6MB

Download
memory/2084-12-0x000007FEF5460000-0x000007FEF5DFD000-memory.dmp

Filesize
9.6MB

Download
memory/2084-13-0x000007FEF5460000-0x000007FEF5DFD000-memory.dmp

Filesize
9.6MB

Download
memory/2308-7-0x000007FEF5460000-0x000007FEF5DFD000-memory.dmp

Filesize
9.6MB

Download
memory/2308-11-0x000007FEF5460000-0x000007FEF5DFD000-memory.dmp

Filesize
9.6MB

Download
memory/2308-0-0x000007FEF571E000-0x000007FEF571F000-memory.dmp

Filesize
4KB

Download
memory/2308-3-0x000007FEF5460000-0x000007FEF5DFD000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads