Overview
overview
10Static
static
3Ransomware-master.zip
windows7-x64
3Ransomware-master.zip
windows10-2004-x64
1Ransomware...ICENSE
windows7-x64
1Ransomware...ICENSE
windows10-2004-x64
1Ransomware...DME.md
windows7-x64
3Ransomware...DME.md
windows10-2004-x64
3Ransomware...omware
windows7-x64
1Ransomware...omware
windows10-2004-x64
1Ransomware...er.zip
windows7-x64
1Ransomware...er.zip
windows10-2004-x64
10cerber.exe
windows7-x64
10cerber.exe
windows10-2004-x64
10Ransomware...ll.zip
windows7-x64
1Ransomware...ll.zip
windows10-2004-x64
1cryptowall.exe
windows7-x64
9cryptowall.exe
windows10-2004-x64
3Ransomware...aw.zip
windows7-x64
1Ransomware...aw.zip
windows10-2004-x64
1jigsaw.exe
windows7-x64
10jigsaw.exe
windows10-2004-x64
10Ransomware...ky.zip
windows7-x64
1Ransomware...ky.zip
windows10-2004-x64
1Locky.exe
windows7-x64
10Locky.exe
windows10-2004-x64
10Ransomware...ba.zip
windows7-x64
1Ransomware...ba.zip
windows10-2004-x64
1131.exe
windows7-x64
1131.exe
windows10-2004-x64
3Ransomware...nu.zip
windows7-x64
1Ransomware...nu.zip
windows10-2004-x64
1Matsnu-MBR...3 .exe
windows7-x64
7Matsnu-MBR...3 .exe
windows10-2004-x64
3Analysis
-
max time kernel
122s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28-11-2024 22:34
Static task
static1
Behavioral task
behavioral1
Sample
Ransomware-master.zip
Resource
win7-20241010-en
windows7-x64
Behavioral task
behavioral2
Sample
Ransomware-master.zip
Resource
win10v2004-20241007-en
windows10-2004-x64
Behavioral task
behavioral3
Sample
Ransomware-master/LICENSE
Resource
win7-20240729-en
windows7-x64
Behavioral task
behavioral4
Sample
Ransomware-master/LICENSE
Resource
win10v2004-20241007-en
windows10-2004-x64
Behavioral task
behavioral5
Sample
Ransomware-master/README.md
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral6
Sample
Ransomware-master/README.md
Resource
win10v2004-20241007-en
windows10-2004-x64
Behavioral task
behavioral7
Sample
Ransomware-master/Ransomware
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral8
Sample
Ransomware-master/Ransomware
Resource
win10v2004-20241007-en
windows10-2004-x64
Behavioral task
behavioral9
Sample
Ransomware-master/etc/Ransomware.Cerber.zip
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral10
Sample
Ransomware-master/etc/Ransomware.Cerber.zip
Resource
win10v2004-20241007-en
windows10-2004-x64
Behavioral task
behavioral11
Sample
cerber.exe
Resource
win7-20241023-en
windows7-x64
Behavioral task
behavioral12
Sample
cerber.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
Behavioral task
behavioral13
Sample
Ransomware-master/etc/Ransomware.Cryptowall.zip
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral14
Sample
Ransomware-master/etc/Ransomware.Cryptowall.zip
Resource
win10v2004-20241007-en
windows10-2004-x64
Behavioral task
behavioral15
Sample
cryptowall.exe
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral16
Sample
cryptowall.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
Behavioral task
behavioral17
Sample
Ransomware-master/etc/Ransomware.Jigsaw.zip
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral18
Sample
Ransomware-master/etc/Ransomware.Jigsaw.zip
Resource
win10v2004-20241007-en
windows10-2004-x64
Behavioral task
behavioral19
Sample
jigsaw.exe
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral20
Sample
jigsaw.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
Behavioral task
behavioral21
Sample
Ransomware-master/etc/Ransomware.Locky.zip
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral22
Sample
Ransomware-master/etc/Ransomware.Locky.zip
Resource
win10v2004-20241007-en
windows10-2004-x64
Behavioral task
behavioral23
Sample
Locky.exe
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral24
Sample
Locky.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
Behavioral task
behavioral25
Sample
Ransomware-master/etc/Ransomware.Mamba.zip
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral26
Sample
Ransomware-master/etc/Ransomware.Mamba.zip
Resource
win10v2004-20241007-en
windows10-2004-x64
Behavioral task
behavioral27
Sample
131.exe
Resource
win7-20241010-en
windows7-x64
Behavioral task
behavioral28
Sample
131.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
Behavioral task
behavioral29
Sample
Ransomware-master/etc/Ransomware.Matsnu.zip
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral30
Sample
Ransomware-master/etc/Ransomware.Matsnu.zip
Resource
win10v2004-20241007-en
windows10-2004-x64
Behavioral task
behavioral31
Sample
Matsnu-MBRwipingRansomware_1B2D2A4B97C7C2727D571BBF9376F54F_Inkasso Rechnung vom 27.05.2013 .exe
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral32
Sample
Matsnu-MBRwipingRansomware_1B2D2A4B97C7C2727D571BBF9376F54F_Inkasso Rechnung vom 27.05.2013 .exe
Resource
win10v2004-20241007-en
windows10-2004-x64
General
-
Target
jigsaw.exe
-
Size
283KB
-
MD5
2773e3dc59472296cb0024ba7715a64e
-
SHA1
27d99fbca067f478bb91cdbcb92f13a828b00859
-
SHA256
3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
-
SHA512
6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262
-
SSDEEP
6144:7fukPLPvucHiQQQ4uuy9ApZbZWxcZt+kTfMLJTOAZiYSXjjeqXus:7fu5cCT7yYlWi8kTfMLJTOAZiYSXjyqX
Malware Config
Signatures
-
Jigsaw Ransomware
Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.
-
Jigsaw family
-
Renames multiple (2002) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Executes dropped EXE 1 IoCs
Processes:
drpbx.exepid Process 380 drpbx.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
jigsaw.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\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
Processes:
drpbx.exedescription ioc Process File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\images\trad_s.png drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.jface.databinding.nl_ja_4.4.0.v20140623020002.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\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-javahelp.jar drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsViewAttachmentIconsMask.bmp drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\BabyBoyMainToScenesBackground.wmv drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\es-ES\js\localizedStrings.js drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\win32_LinkNoDrop32x32.gif.fun drpbx.exe File created C:\Program Files\Mozilla Firefox\private_browsing.VisualElementsManifest.xml.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.console_1.1.0.v20140131-1639.jar.fun drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\update_tracking\org-netbeans-modules-profiler-utilities.xml drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\Discussion\DiscussionToolIconImagesMask.bmp drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-io.xml.fun drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-heapdump_zh_CN.jar drpbx.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\en-US\delete.avi drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\images\info.png drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\CommonData\CommsOutgoingImage.jpg drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\bg_GreenTea.gif.fun drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core-multitabs_zh_CN.jar drpbx.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Psychedelic.jpg drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\images\diner_m.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 File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\en-US\js\picturePuzzle.js drpbx.exe File created C:\Program Files\7-Zip\Lang\de.txt.fun drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_black_moon-full.png drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.nl_ja_4.4.0.v20140623020002.jar.fun drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\ja-JP\js\calendar.js drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\bg_Premium.gif drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-io_ja.jar.fun drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\config\Modules\org-netbeans-modules-profiler-api.xml drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-profiling.xml drpbx.exe File created C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\Interface.zip.fun drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\VisualBasic\1033\ResourceInternal.zip 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\index.gif drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Grid.xml.fun drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-openide-awt.jar drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\OldAge\15x15dot.png drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_ru.jar drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\settings_box_right.png drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-javahelp.xml.fun drpbx.exe File opened for modification C:\Program Files\StepWait.csv drpbx.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\HandPrints.jpg drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\NavigationRight_SelectionSubpicture.png drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\images\dial_lrg_sml.png drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\30.png drpbx.exe File created C:\Program Files\Java\jre7\lib\images\cursors\win32_CopyNoDrop32x32.gif.fun drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\es-ES\js\settings.js drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\bg_SlateBlue.gif.fun drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\bg_SlateBlue.gif drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\images\macHandle.png drpbx.exe File opened for modification C:\Program Files\Windows Media Player\Network Sharing\wmpnss_color120.png drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_black_moon-new_partly-cloudy.png drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\es-ES\js\settings.js drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\settings_box_bottom.png drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.ui.ja_5.5.0.165303.jar drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\it-IT\js\currency.js drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-sendopts.xml drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\lib\locale\jfluid-server_zh_CN.jar drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\46.png drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-profiling_zh_CN.jar drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\FlipPage\1047x576black.png drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\MediaCenter.Gadget\es-ES\gadget.xml drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\40.png drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\11.png drpbx.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
jigsaw.exedescription pid Process procid_target PID 2312 wrote to memory of 380 2312 jigsaw.exe 31 PID 2312 wrote to memory of 380 2312 jigsaw.exe 31 PID 2312 wrote to memory of 380 2312 jigsaw.exe 31
Processes
-
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:2312 -
C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe"C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\jigsaw.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:380
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
160B
MD5580ee0344b7da2786da6a433a1e84893
SHA160f8c4dd5457e9834f5402cb326b1a2d3ca0ba7e
SHA25698b6c2ddfefc628d03ceaef9d69688674a6bc32eb707f9ed86bc8c75675c4513
SHA512356d2cdea3321e894b5b46ad1ea24c0e3c8be8e3c454b5bd300b7340cbb454e71fc89ca09ea0785b373b483e67c2f6f6bb408e489b0de4ff82d5ed69a75613ba
-
Filesize
283KB
MD52773e3dc59472296cb0024ba7715a64e
SHA127d99fbca067f478bb91cdbcb92f13a828b00859
SHA2563ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
SHA5126ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262
-
Filesize
16B
MD58ebcc5ca5ac09a09376801ecdd6f3792
SHA181187142b138e0245d5d0bc511f7c46c30df3e14
SHA256619e246fc0ac11320ff9e322a979948d949494b0c18217f4d794e1b398818880
SHA512cec50bfc6ad2f57f16da99459f40f2d424c6d5691685fa1053284f46c8c8c8a975d7bcb1f3521c4f3fbdc310cf4714e29404aa23be6021e2e267c97b090dc650
