conti | 6eeefc25fe1d24d3f46b554a31aea357a4cd04635db5c32dfddf28b5446c09d3

Analysis

max time kernel
137s
max time network
129s
platform
windows7_x64
resource
win7-en-20210920
submitted
24-09-2021 10:27

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General

Target

3db6e8df73f12b6a9fa9adb6ad87b017d530a9d736909338042735ed00a9463b.dll
Size

190KB
MD5

6a97f8afc1151619d5b119407faeb1ad
SHA1

185d65eb755cee888508d07adad60b39e0be2210
SHA256

3db6e8df73f12b6a9fa9adb6ad87b017d530a9d736909338042735ed00a9463b
SHA512

6e46da8df1ea210b8458f690b9b9951d02800190571a29ed71ac5f1d613bd77525cdf129a450c9bf155e4ca957a11ab5f254aeaa06b66faf62dcb36d2dfa94f1

Score

10^/10

conti ransomware

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.click 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--- 2gRarkVApsbggVSyrETPQ81XrSylLmTR6P6kpgQQW7yzQQfDKtzwtC5IaK9CXMDx ---END ID---

URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.click

Signatures

Conti Ransomware
Ransomware generally thought to be a successor to Ryuk.
ransomware conti

Modifies extensions of user files 8 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

regsvr32.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\MountNew.tiff => C:\Users\Admin\Pictures\MountNew.tiff.NKDLO	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\StopMount.png => C:\Users\Admin\Pictures\StopMount.png.NKDLO	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\TestSkip.raw => C:\Users\Admin\Pictures\TestSkip.raw.NKDLO	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\UninstallBlock.tif => C:\Users\Admin\Pictures\UninstallBlock.tif.NKDLO	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\UnprotectSave.raw => C:\Users\Admin\Pictures\UnprotectSave.raw.NKDLO	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\CompleteCompress.crw => C:\Users\Admin\Pictures\CompleteCompress.crw.NKDLO	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\FormatPush.png => C:\Users\Admin\Pictures\FormatPush.png.NKDLO	regsvr32.exe
File opened for modification	C:\Users\Admin\Pictures\MountNew.tiff	regsvr32.exe

Drops desktop.ini file(s) 46 IoCs

Processes:

regsvr32.exe

description	ioc	process
File opened for modification	C:\Users\Public\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Admin\Searches\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:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	regsvr32.exe
File opened for modification	C:\Program Files\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\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Public\Music\Sample Music\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\Mahjong\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\Downloads\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Public\Videos\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:\Program Files (x86)\Common Files\microsoft shared\Stationery\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\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Public\Recorded TV\Sample Media\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\Pictures\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Public\Downloads\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Public\Libraries\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Public\Music\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\Microsoft Games\Hearts\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Public\Recorded TV\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Public\Videos\Sample Videos\desktop.ini	regsvr32.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Admin\Desktop\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\JPBNSXHB\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\MHZZT4MQ\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\Y8SPHBTY\desktop.ini	regsvr32.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Public\Pictures\Sample Pictures\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\6TGGRK3W\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

Drops file in Program Files directory 64 IoCs

Processes:

regsvr32.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBFTSCM\SCHEME44.CSS	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.metadata.repository.nl_ja_4.4.0.v20140623020002.jar	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-api-annotations-common_zh_CN.jar	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\FD02115_.WMF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0101856.BMP	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Verve.xml	regsvr32.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\v8_context_snapshot.bin	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD15020_.GIF	regsvr32.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\America\Dawson	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\form_edit.js	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BS00443_.WMF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\ELPHRG01.WAV	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\TaskbarIconImagesMask256Colors.bmp	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\MET	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms5\SAVE.GIF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\BAN98.POC	regsvr32.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base.xml	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.core.di_1.4.0.v20140414-1837.jar	regsvr32.exe
File created	C:\Program Files (x86)\Common Files\System\msadc\en-US\readme.txt	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\THOCR.PSP	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0157191.WMF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PAGESIZE\PGLBL089.XML	regsvr32.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\flower_PreComp_MATTE_PAL.wmv	regsvr32.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\AUTHORS.txt	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0187863.WMF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\DGSIDEBRV.XML	regsvr32.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\locale\ar\LC_MESSAGES\vlc.mo	regsvr32.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	regsvr32.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\BrightYellow\readme.txt	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\RTC.der	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\FD01191_.WMF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PH02742G.GIF	regsvr32.exe
File created	C:\Program Files\VideoLAN\VLC\locale\pt_BR\LC_MESSAGES\readme.txt	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0099175.WMF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0212601.WMF	regsvr32.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Pets_frame-highlight.png	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\STRTEDGE\STRTEDGE.ELM	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0099151.WMF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA02441_.WMF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\REPORTS.ICO	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Hebron	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBFTSCM\SCHEME21.CSS	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\BabyBlue\TAB_OFF.GIF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveProjectToolset\SplashImageMask.bmp	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\GRPHFLT\CGMIMP32.FNT	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\AG00052_.GIF	regsvr32.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\PassportMask.wmv	regsvr32.exe
File created	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\readme.txt	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolIcons\ALERT.ICO	regsvr32.exe
File created	C:\Program Files\VideoLAN\VLC\locale\co\LC_MESSAGES\readme.txt	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\update_tracking\org-netbeans-modules-profiler-selector-ui.xml	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\config\Modules\org-netbeans-modules-profiler-selector-api.xml	regsvr32.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Pets_image-frame-border.png	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\Shared24x24ImagesMask.bmp	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Vilnius	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\BrightOrange\TAB_OFF.GIF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FORM.JS	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0093905.WMF	regsvr32.exe
File opened for modification	C:\Program Files\Java\jre7\lib\deploy\messages_ko.properties	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD21534_.GIF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\WSSFilesToolIconImages.jpg	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\Office64.WW\Office64WW.XML	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PE05710_.WMF	regsvr32.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\selection_subpicture.png	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

regsvr32.exe

pid	process
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe
1656	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 1104 wrote to memory of 1656	1104	regsvr32.exe	regsvr32.exe
PID 1104 wrote to memory of 1656	1104	regsvr32.exe	regsvr32.exe
PID 1104 wrote to memory of 1656	1104	regsvr32.exe	regsvr32.exe
PID 1104 wrote to memory of 1656	1104	regsvr32.exe	regsvr32.exe
PID 1104 wrote to memory of 1656	1104	regsvr32.exe	regsvr32.exe
PID 1104 wrote to memory of 1656	1104	regsvr32.exe	regsvr32.exe
PID 1104 wrote to memory of 1656	1104	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3db6e8df73f12b6a9fa9adb6ad87b017d530a9d736909338042735ed00a9463b.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1104

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\3db6e8df73f12b6a9fa9adb6ad87b017d530a9d736909338042735ed00a9463b.dll
2⤵
- Modifies extensions of user files
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:1656

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1104-54-0x000007FEFB891000-0x000007FEFB893000-memory.dmp

Filesize
8KB

Download
memory/1656-55-0x0000000000000000-mapping.dmp

Download
memory/1656-56-0x0000000075BF1000-0x0000000075BF3000-memory.dmp

Filesize
8KB

Download