Analysis
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max time kernel
73s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
24-01-2023 22:27
Static task
static1
Behavioral task
behavioral1
Sample
HER.dll
Resource
win7-20221111-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
HER.dll
Resource
win10v2004-20220812-en
windows10-2004-x64
7 signatures
150 seconds
General
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Target
HER.dll
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Size
563KB
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MD5
b1c42bc4f6b0ceeb90853b69879b7a1b
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SHA1
895dc9a571f74b6515d82974b3591de7e3378079
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SHA256
767ab6e3cf7f6251e76b0f6d3c9812d738f24382d3057c627902d9402b722dbc
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SHA512
6412a5ab81a7cbfbe4d47103bd63f05c3eb78fa9d0a94f6785e652a8d8c13e418dc32f59d26a6703e567ebe1801cfe6fc45a94f4e4a7e938d276f8e9664cfb5b
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SSDEEP
6144:bDz9OW95NKjgiljyP6cmC6YlgFVNwpyQCPLzUDmNC46iLqQ9SKCe6q:b9OJV8DmugF1QCTzSV1QgKb6q
Score
10/10
Malware Config
Extracted
Path
C:\readme.txt
Family
conti
Ransom Note
All of your files are currently encrypted by CONTI strain.
As you know (if you don't - just "google it"), all of the data that has been encrypted by our software cannot be recovered by any means without contacting our team directly.
If you try to use any additional recovery software - the files might be damaged, so if you are willing to try - try it on the data of the lowest value.
To make sure that we REALLY CAN get your data back - we offer you to decrypt 2 random files completely free of charge.
You can contact our team directly for further instructions through our website :
TOR VERSION :
(you should download and install TOR browser first https://torproject.org)
http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/
HTTPS VERSION :
https://contirecovery.top/
YOU SHOULD BE AWARE!
Just in case, if you try to ignore us. We've downloaded a pack of your internal data and are ready to publish it on out news website if you do not respond. So it will be better for both sides if you contact us as soon as possible.
---BEGIN ID---
CxqsKPQtbmCMPHCmjI4dqIuIRc9DjFvMh1OMQQOsIWwRKAZu2tyC6F8cPDPYDtcD
---END ID---
URLs
http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/
https://contirecovery.top/
Signatures
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Conti Ransomware
Ransomware generally thought to be a successor to Ryuk.
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Modifies extensions of user files 10 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\MeasureRestart.crw => C:\Users\Admin\Pictures\MeasureRestart.crw.JKNGZ regsvr32.exe File renamed C:\Users\Admin\Pictures\OutStop.tif => C:\Users\Admin\Pictures\OutStop.tif.JKNGZ regsvr32.exe File renamed C:\Users\Admin\Pictures\ReadJoin.tiff => C:\Users\Admin\Pictures\ReadJoin.tiff.JKNGZ regsvr32.exe File renamed C:\Users\Admin\Pictures\RegisterDisable.crw => C:\Users\Admin\Pictures\RegisterDisable.crw.JKNGZ regsvr32.exe File renamed C:\Users\Admin\Pictures\SplitPush.png => C:\Users\Admin\Pictures\SplitPush.png.JKNGZ regsvr32.exe File opened for modification C:\Users\Admin\Pictures\EditTest.tiff regsvr32.exe File renamed C:\Users\Admin\Pictures\EditTest.tiff => C:\Users\Admin\Pictures\EditTest.tiff.JKNGZ regsvr32.exe File renamed C:\Users\Admin\Pictures\TraceExit.tiff => C:\Users\Admin\Pictures\TraceExit.tiff.JKNGZ regsvr32.exe File opened for modification C:\Users\Admin\Pictures\ReadJoin.tiff regsvr32.exe File opened for modification C:\Users\Admin\Pictures\TraceExit.tiff regsvr32.exe -
Drops desktop.ini file(s) 46 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Games\Purble Place\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Libraries\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\YB33FE3E\desktop.ini regsvr32.exe File opened for modification C:\Program Files\Microsoft Games\Chess\desktop.ini regsvr32.exe File opened for modification C:\Program Files\Microsoft Games\FreeCell\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Links\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Favorites\Links for United States\desktop.ini regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\DataServices\DESKTOP.INI regsvr32.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\2WZE2OQ2\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Desktop\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Downloads\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Recorded TV\desktop.ini regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Stationery\Desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Videos\Sample Videos\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Documents\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Music\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Videos\desktop.ini regsvr32.exe File opened for modification C:\Program Files\desktop.ini regsvr32.exe File opened for modification C:\Program Files\Microsoft Games\Mahjong\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Documents\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Searches\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Recorded TV\Sample Media\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Music\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Videos\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Pictures\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\desktop.ini regsvr32.exe File opened for modification C:\Program Files (x86)\desktop.ini regsvr32.exe File opened for modification C:\Program Files\Microsoft Games\Hearts\desktop.ini regsvr32.exe File opened for modification C:\Program Files\Microsoft Games\Solitaire\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini regsvr32.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\A08CGSZX\desktop.ini regsvr32.exe File opened for modification C:\Program Files\Microsoft Games\SpiderSolitaire\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\FPMCGPEN\desktop.ini regsvr32.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini regsvr32.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Effects\Horizon.eftx regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.artifact.repository.nl_zh_4.4.0.v20140623020002.jar regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.jface.text.nl_ja_4.4.0.v20140623020002.jar regsvr32.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\browse_window.html regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\UCT regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveProjectToolset\WHITEBOX.JPG regsvr32.exe File opened for modification C:\Program Files\Java\jre7\release regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\ARCTIC\THMBNAIL.PNG regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Stationery\1033\DADSHIRT.HTM regsvr32.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\playlist\anevia_xml.luac regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe AIR\Versions\1.0\Adobe Root Certificate.cer regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\ZPDIR48F.GIF regsvr32.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MLCFG32.CPL regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0304405.WMF regsvr32.exe File created C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\QUAD\readme.txt regsvr32.exe File created C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\Excel.en-us\readme.txt regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.babel.nls_eclipse_ja_4.4.0.v20140623020002\feature.properties regsvr32.exe File opened for modification C:\Program Files\Mozilla Firefox\omni.ja regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Effects\Perspective.eftx regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\J0115839.GIF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\SCDRESPS.ICO regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.ds_1.4.200.v20131126-2331.jar regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\Solutions\Response.gif regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\Adobe.css regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\Biscay\TAB_ON.GIF regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTO\vstoee100.tlb regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0239997.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\WING2.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\AUTOSHAP\BD18210_.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\PDIR28B.GIF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\NOTEL.ICO regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Australia\Darwin regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\SpeechEngines\Microsoft\TTS20\en-US\enu-dsk\M1033DSK.APL regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0151041.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO02790_.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\Slate.css regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\GrayCheck\TAB_OFF.GIF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Stationery\1033\CURRENCY.GIF regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\FDFFile_8.ico regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\LINES\BD21311_.GIF regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Swift_Current regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.emf.ecore_2.10.1.v20140901-1043\epl-v10.html regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\bg_OliveGreen.gif regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSCOL11.INF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BD09664_.WMF regsvr32.exe File opened for modification C:\Program Files\Java\jre7\lib\fonts\LucidaBrightDemiBold.ttf regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\VIEW.ICO regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\BabyBlue\HEADER.GIF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA02388_.WMF regsvr32.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\auxpad.xml regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-api-search.xml regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD14691_.GIF regsvr32.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\zh-phonetic.xml regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Annotations\Stamps\ENU\SignHere.pdf regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\Swirl\tab_off.gif regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\DD01183_.WMF regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Yerevan regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\FormsHomePageScript.js regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Resource\TypeSupport\Unicode\Mappings\win\CP1253.TXT regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BD09194_.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\WB01296_.GIF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Analysis Services\AS OLEDB\10\Cartridges\sql70.xsl regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ecf.provider.filetransfer_3.2.200.v20140827-1444.jar regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe 1416 regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2036 wrote to memory of 1416 2036 regsvr32.exe 28 PID 2036 wrote to memory of 1416 2036 regsvr32.exe 28 PID 2036 wrote to memory of 1416 2036 regsvr32.exe 28 PID 2036 wrote to memory of 1416 2036 regsvr32.exe 28 PID 2036 wrote to memory of 1416 2036 regsvr32.exe 28 PID 2036 wrote to memory of 1416 2036 regsvr32.exe 28 PID 2036 wrote to memory of 1416 2036 regsvr32.exe 28
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\HER.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\HER.dll2⤵
- Modifies extensions of user files
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:1416
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