Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
30/05/2024, 13:33
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
5757258e71f0fbbf92ac7a139b498d76eb655988fc38a9183bddcb58fe6aa786.dll
Resource
win7-20240221-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
5757258e71f0fbbf92ac7a139b498d76eb655988fc38a9183bddcb58fe6aa786.dll
Resource
win10v2004-20240508-en
windows10-2004-x64
7 signatures
150 seconds
General
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Target
5757258e71f0fbbf92ac7a139b498d76eb655988fc38a9183bddcb58fe6aa786.dll
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Size
395KB
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MD5
6b07657e96799643972e7f099edb8acd
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SHA1
13a43212f636a6a4d8fe209455304d4c7441ebb0
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SHA256
5757258e71f0fbbf92ac7a139b498d76eb655988fc38a9183bddcb58fe6aa786
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SHA512
92b8b855ac04efb3804d9f71236154ab54a009c5496f35245bf7c8e4ad2e39e4a482a44ed97d367a16c9b62e0a9608e4674af9144d6dbba4bd1bb87ea62f07aa
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SSDEEP
12288:7MRc0D5jVnNAq7cNMXYo+wAwlIaW4gatJ0h:7MaY5FeFNMXYoBtIEP4
Score
10/10
Malware Config
Extracted
Path
C:\Program Files (x86)\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.ws
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---
wSpHH7e2NMHQ5dF3CSF5k29fvPRrxASNCdHphh0cOIGmOYvJHhhhcCmIpcX9XbW9
---END ID---
URLs
http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/
https://contirecovery.ws
Signatures
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Conti Ransomware
Ransomware generally thought to be a successor to Ryuk.
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Renames multiple (7991) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops desktop.ini file(s) 46 IoCs
description ioc Process File opened for modification C:\Users\Admin\Pictures\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Videos\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Music\Sample Music\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\Downloads\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:\Program Files\Microsoft Games\Solitaire\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\Hearts\desktop.ini regsvr32.exe File opened for modification C:\Program Files\Microsoft Games\Mahjong\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\2RM92H5V\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\EQ2PZD61\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:\Users\Admin\Desktop\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Documents\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Downloads\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\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:\Program Files\Microsoft Games\SpiderSolitaire\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\Admin\Favorites\Links for United States\desktop.ini regsvr32.exe File opened for modification C:\Program Files\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Recorded TV\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\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 (x86)\Microsoft Office\Office14\1033\DataServices\DESKTOP.INI regsvr32.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\BB4W7M7Z\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\Admin\Contacts\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Links\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\Admin\AppData\Local\Microsoft\Feeds Cache\JWM3U1DD\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:\Program Files (x86)\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Desktop\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Pictures\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:\Users\Public\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\Saved Games\desktop.ini regsvr32.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Africa\Casablanca regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BL00262_.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OutlookAutoDiscover\YAHOO.IE.XML regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Linguistics\Providers\Proximity\11.00\can32.clx regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Stationery\OrangeCircles.jpg regsvr32.exe File created C:\Program Files\VideoLAN\VLC\locale\mai\LC_MESSAGES\readme.txt regsvr32.exe File opened for modification C:\Program Files\Mozilla Firefox\defaultagent.ini regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Executive.thmx regsvr32.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\hwresslm.dat regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0185780.WMF regsvr32.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\web.xml regsvr32.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Asia\Jayapura regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\OutlineToolIconImagesMask.bmp regsvr32.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\America\Denver regsvr32.exe File created C:\Program Files\VideoLAN\VLC\locale\tr\LC_MESSAGES\readme.txt regsvr32.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\rectangle_postage_Thumbnail.bmp regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\System\ado\adojavas.inc regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\WB01838_.GIF regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\en-US\sqloledb.rll.mui regsvr32.exe File created C:\Program Files (x86)\Common Files\microsoft shared\ink\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\EN00006_.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0286068.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD15170_.GIF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\AccessWeb\RPT2HTM4.XSL regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\TEAROFF.POC regsvr32.exe File created C:\Program Files\VideoLAN\VLC\plugins\audio_filter\readme.txt regsvr32.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.launcher.win32.win32.x86_64_1.1.200.v20141007-2033\readme.txt regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\update_tracking\org-netbeans-lib-profiler.xml regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-swing-outline_ja.jar regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD14829_.GIF regsvr32.exe File created C:\Program Files\VideoLAN\VLC\locale\bs\LC_MESSAGES\readme.txt regsvr32.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\images\speaker-32.png regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBFTSCM\SCHEME23.CSS regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\RSSITEM.CFG regsvr32.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Circle_SelectionSubpictureB.png 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 (x86)\Microsoft Office\CLIPART\PUB60COR\PE00559_.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\TextConv\WPFT532.CNV regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0301252.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\Solutions\arrow.png regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe AIR\Versions\1.0\setup.swf regsvr32.exe File created C:\Program Files (x86)\Common Files\microsoft shared\Web Server Extensions\14\BIN\readme.txt regsvr32.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0152708.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Tracker\main.css regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\RADIAL\RADIAL.INF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\IPMS.ICO regsvr32.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\as_IN\LC_MESSAGES\vlc.mo regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\Americana\TAB_OFF.GIF regsvr32.exe File created C:\Program Files\Common Files\System\Ole DB\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0240189.WMF regsvr32.exe File created C:\Program Files\Common Files\Microsoft Shared\MSInfo\en-US\readme.txt regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Guadalcanal regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-lib-uihandler.jar regsvr32.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\css\e4_default_winxp_olv.css regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SY00642_.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\DGCOUPON.DPV regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\LINES\BD21324_.GIF regsvr32.exe File created C:\Program Files (x86)\Common Files\microsoft shared\VGX\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\MAIN.XML regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\BORDERS\MSART15.BDR regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\MARQUEE.POC regsvr32.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\meta\art\03_lastfm.luac regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BS01637_.WMF regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe 2756 regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2952 wrote to memory of 2756 2952 regsvr32.exe 28 PID 2952 wrote to memory of 2756 2952 regsvr32.exe 28 PID 2952 wrote to memory of 2756 2952 regsvr32.exe 28 PID 2952 wrote to memory of 2756 2952 regsvr32.exe 28 PID 2952 wrote to memory of 2756 2952 regsvr32.exe 28 PID 2952 wrote to memory of 2756 2952 regsvr32.exe 28 PID 2952 wrote to memory of 2756 2952 regsvr32.exe 28
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\5757258e71f0fbbf92ac7a139b498d76eb655988fc38a9183bddcb58fe6aa786.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2952 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\5757258e71f0fbbf92ac7a139b498d76eb655988fc38a9183bddcb58fe6aa786.dll2⤵
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:2756
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
1KB
MD5df7b95b1555951e1c1095ec1a913f78a
SHA1076812ba99a65a76f6510824f9317c85b7a65bdb
SHA25615ac17280f7e4b43eb21c090792465494eede0937897c271eb1cc14733dc371e
SHA512b85bee418326445ed0efd217cb92432138ad63b46ff41d98a85d2af648698448f1680a320669ec4d1a735c8a40d5747983652d02fafc5c9737747e659f4f8e30