Analysis
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max time kernel
120s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
30-09-2024 07:59
Static task
static1
Behavioral task
behavioral1
Sample
0046337f34a88489c08cb37dd90dc2de_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
0046337f34a88489c08cb37dd90dc2de_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
0046337f34a88489c08cb37dd90dc2de_JaffaCakes118.exe
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Size
1.4MB
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MD5
0046337f34a88489c08cb37dd90dc2de
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SHA1
4e5e05eca8bdcbf7a2bfd41ba5a2cfa2d4e0408c
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SHA256
ff1190c2f302175cb3f41a5d3f35dd3b3a46dacff431b6c3c9a601358d1c8ce9
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SHA512
714d2b23aca8f94f8e76853326bfc9f09acdcd80793f5af2fa8a41aee0d4ed7c23aa6fd388aeb6c64bc81a8760a7c04720c3c23200dea8e394befc28ac75cf6b
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SSDEEP
12288:I1hL6GGiwn2UpXpgX+3W/4M5H0IUf9FECN3X4qHWXD09rUw7myAIT2+meAMLNzka:6t7Up4wQaHWX3yAQDAmzxR
Malware Config
Signatures
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Jigsaw Ransomware
Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.
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Renames multiple (1997) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Executes dropped EXE 1 IoCs
pid Process 2964 drpbx.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Frfx\\firefox.exe" 0046337f34a88489c08cb37dd90dc2de_JaffaCakes118.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\Lang\nn.txt drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Paper.xml drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\1047x576_91n92.png drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\21.png drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.net.nl_zh_4.4.0.v20140623020002.jar.fun drpbx.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\images\Video-48.png drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-attach.xml.fun drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.jface.nl_zh_4.4.0.v20140623020002.jar drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\CommonData\AlertImage_FileOffMask.bmp drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-editor-mimelookup-impl_zh_CN.jar.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-core_ja.jar.fun drpbx.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\css\ui-lightness\images\ui-bg_gloss-wave_35_f6a828_500x100.png drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\deploy.jar drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\29.png drpbx.exe File opened for modification C:\Program Files (x86)\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.e4.ui.css.core.nl_zh_4.4.0.v20140623020002.jar.fun drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\ja-JP\js\settings.js drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-nodes.xml drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\SceneButtonSubpicture.png drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\images\play_hov.png drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\MessageAttachmentIconImagesMask.bmp.fun drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\images\calendar_double_orange.png drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\rtf_italic.gif drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\Welcome Tool\IconImagesMask.bmp drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.docs.ja_5.5.0.165303.jar drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-autoupdate-services.xml.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\update_tracking\org-netbeans-lib-profiler-common.xml.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-profiler.xml.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-options-keymap.xml.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\icons\day-of-week-16.png.fun drpbx.exe File created C:\Program Files\7-Zip\Lang\sw.txt.fun drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\images\reveal_down.png drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_gray_foggy.png drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\ext\sunjce_provider.jar drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\es-ES\js\library.js 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 (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveProjectToolset\MeetingIcon.jpg 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\Java\jdk1.7.0_80\jre\lib\management-agent.jar drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\fr-FR\gadget.xml drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\WebToolImages16x16.jpg.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.databinding.observable.nl_zh_4.4.0.v20140623020002.jar.fun drpbx.exe File created C:\Program Files\Java\jre7\README.txt.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\db\lib\derbytools.jar.fun drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\QuickStyles\Traditional.dotx drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\en-US\js\highDpiImageSwap.js drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-core-execution.xml drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-tools_ja.jar.fun drpbx.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsptg.xml drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\server\Xusage.txt drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\Swirl\background.gif.fun 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\html\dcommon\gifs\indxicon.gif.fun drpbx.exe File created C:\Program Files\7-Zip\Lang\ne.txt.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_it.jar.fun drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_black_moon-last-quarter.png drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.nl_zh_4.4.0.v20140623020002.jar drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-autoupdate-cli.jar.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-core-ui.xml.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-text_zh_CN.jar.fun drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\include\jni.h.fun 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\winXPOlive.png drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\XmlFile.zip drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Austin.xml.fun drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\images\Tulip.jpg drpbx.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1884 wrote to memory of 2964 1884 0046337f34a88489c08cb37dd90dc2de_JaffaCakes118.exe 28 PID 1884 wrote to memory of 2964 1884 0046337f34a88489c08cb37dd90dc2de_JaffaCakes118.exe 28 PID 1884 wrote to memory of 2964 1884 0046337f34a88489c08cb37dd90dc2de_JaffaCakes118.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\0046337f34a88489c08cb37dd90dc2de_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\0046337f34a88489c08cb37dd90dc2de_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe"C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\0046337f34a88489c08cb37dd90dc2de_JaffaCakes118.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:2964
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
160B
MD5580ee0344b7da2786da6a433a1e84893
SHA160f8c4dd5457e9834f5402cb326b1a2d3ca0ba7e
SHA25698b6c2ddfefc628d03ceaef9d69688674a6bc32eb707f9ed86bc8c75675c4513
SHA512356d2cdea3321e894b5b46ad1ea24c0e3c8be8e3c454b5bd300b7340cbb454e71fc89ca09ea0785b373b483e67c2f6f6bb408e489b0de4ff82d5ed69a75613ba
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Filesize
1.4MB
MD50046337f34a88489c08cb37dd90dc2de
SHA14e5e05eca8bdcbf7a2bfd41ba5a2cfa2d4e0408c
SHA256ff1190c2f302175cb3f41a5d3f35dd3b3a46dacff431b6c3c9a601358d1c8ce9
SHA512714d2b23aca8f94f8e76853326bfc9f09acdcd80793f5af2fa8a41aee0d4ed7c23aa6fd388aeb6c64bc81a8760a7c04720c3c23200dea8e394befc28ac75cf6b
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Filesize
16B
MD58ebcc5ca5ac09a09376801ecdd6f3792
SHA181187142b138e0245d5d0bc511f7c46c30df3e14
SHA256619e246fc0ac11320ff9e322a979948d949494b0c18217f4d794e1b398818880
SHA512cec50bfc6ad2f57f16da99459f40f2d424c6d5691685fa1053284f46c8c8c8a975d7bcb1f3521c4f3fbdc310cf4714e29404aa23be6021e2e267c97b090dc650