Analysis
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max time kernel
153s -
max time network
157s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
31-08-2021 08:22
Static task
static1
Behavioral task
behavioral1
Sample
e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe
Resource
win7v20210408
General
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Target
e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe
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Size
504KB
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MD5
e9454a2ff16897e177d8a11083850ec7
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SHA1
6b6855931e69d27f5f2e2d828fbeb4db91688996
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SHA256
e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead
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SHA512
9bd01ed32887cecefe3987991f3ae3a0375c1cb1bff8b49f795b000076c26a1bb938476e4383b60a3f1ac5de79f7cd3cf2520ef695908815c0fee55a17dcb021
Malware Config
Signatures
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Mespinoza Ransomware 2 TTPs
Also known as Pysa. Ransomware-as-a-servoce which first appeared in 2020.
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Modifies extensions of user files 16 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\RevokeSave.raw => C:\Users\Admin\Pictures\RevokeSave.raw.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Users\Admin\Pictures\SearchSet.raw.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File renamed C:\Users\Admin\Pictures\UseNew.tiff => C:\Users\Admin\Pictures\UseNew.tiff.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Users\Admin\Pictures\UseNew.tiff.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File renamed C:\Users\Admin\Pictures\CompleteDeny.tif => C:\Users\Admin\Pictures\CompleteDeny.tif.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File renamed C:\Users\Admin\Pictures\ExitTest.tif => C:\Users\Admin\Pictures\ExitTest.tif.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Users\Admin\Pictures\ExitTest.tif.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File renamed C:\Users\Admin\Pictures\GetWrite.png => C:\Users\Admin\Pictures\GetWrite.png.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File renamed C:\Users\Admin\Pictures\SearchSet.raw => C:\Users\Admin\Pictures\SearchSet.raw.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File renamed C:\Users\Admin\Pictures\SendJoin.tiff => C:\Users\Admin\Pictures\SendJoin.tiff.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Users\Admin\Pictures\CompleteDeny.tif.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File renamed C:\Users\Admin\Pictures\ResolveSave.tiff => C:\Users\Admin\Pictures\ResolveSave.tiff.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Users\Admin\Pictures\ResolveSave.tiff.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Users\Admin\Pictures\RevokeSave.raw.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Users\Admin\Pictures\GetWrite.png.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Users\Admin\Pictures\SendJoin.tiff.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe -
Deletes itself 1 IoCs
pid Process 360 cmd.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\WindowsPowerShell\Configuration\Schema\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File created C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\en-US\js\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File created C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\en-US.pak.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\schema\triggerConstraints.exsd.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jre7\lib\net.properties.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\America\Rio_Branco.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File created C:\Program Files\VideoLAN\VLC\locale\ko\LC_MESSAGES\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File created C:\Program Files\VideoLAN\VLC\skins\fonts\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\RMNSQUE\RMNSQUE.INF.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File created C:\Program Files\VideoLAN\VLC\locale\nb\LC_MESSAGES\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\playlist\dailymotion.luac.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File created C:\Program Files\Windows Media Player\Media Renderer\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\CAPSULES\PREVIEW.GIF.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File created C:\Program Files (x86)\Common Files\microsoft shared\VBA\VBA6\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File created C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\en-US\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\MET.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.babel.nls_eclipse_zh_4.4.0.v20140623020002\about.html.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-sampler_zh_CN.jar.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Etc\GMT-14.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File created C:\Program Files\VideoLAN\VLC\locale\da\LC_MESSAGES\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\playlist\twitch.luac.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\GRPHFLT\MS.EPS.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.flightrecorder.ui_5.5.0.165303.jar.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\javax.servlet_3.0.0.v201112011016.jar.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.update.configurator.nl_zh_4.4.0.v20140623020002.jar.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rcp.intro_5.5.0.165303.jar.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-progress-ui_zh_CN.jar.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\lib\jfluid-server.jar.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\playlist\anevia_streams.luac.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-print.xml.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Font\MyriadPro-Regular.otf.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-options-keymap_ja.jar.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File created C:\Program Files\Windows Journal\en-US\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Resource\TypeSupport\Unicode\Mappings\win\CP1258.TXT.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File created C:\Program Files (x86)\Google\Update\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Internet Explorer\SIGNUP\install.ins.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\et\LC_MESSAGES\vlc.mo.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\1033\MCABOUT.HTM.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\BLUEPRNT\THMBNAIL.PNG.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File created C:\Program Files (x86)\Windows Sidebar\Gadgets\CPU.Gadget\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-compat.xml.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jre7\bin\server\classes.jsa.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\Word.en-us\SETUP.XML.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\7-Zip\7zCon.sfx.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File created C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File created C:\Program Files\VideoLAN\VLC\locale\nn\LC_MESSAGES\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Africa\Algiers.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\North_Dakota\Center.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\core\locale\core_visualvm.jar.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\SystemV\PST8PDT.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\CONCRETE\CONCRETE.ELM.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File created C:\Program Files (x86)\Common Files\microsoft shared\VBA\VBA7\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\bin\setEmbeddedCP.bat.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\tl\LC_MESSAGES\vlc.mo.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File created C:\Program Files\VideoLAN\VLC\locale\uk\LC_MESSAGES\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File created C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\en-US\js\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File created C:\Program Files (x86)\Windows NT\TableTextService\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\bg.pak.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.e4.rcp_1.3.100.v20141007-2033\feature.properties.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\VERSION.txt.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\lib\deployed\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File created C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\Groove.en-us\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.operations.nl_ja_4.4.0.v20140623020002.jar.pysa e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Readme.README e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1924 wrote to memory of 360 1924 e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe 33 PID 1924 wrote to memory of 360 1924 e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe 33 PID 1924 wrote to memory of 360 1924 e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe 33 PID 1924 wrote to memory of 360 1924 e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe 33 PID 1924 wrote to memory of 360 1924 e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe 33 PID 1924 wrote to memory of 360 1924 e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe 33 PID 1924 wrote to memory of 360 1924 e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe 33 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\legalnoticetext = 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 e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\legalnoticecaption = 50005900530041000000 e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe"C:\Users\Admin\AppData\Local\Temp\e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.exe"1⤵
- Modifies extensions of user files
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1924 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\update.bat" "2⤵
- Deletes itself
PID:360
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