conti | 1708053483dc0e430fec8a8b7e265d22f44d2d8dd8d2a07dba270b20aabbbfc6

General

Target

caa0cff47eb2fb6deb797c9c73ccf88b.dll
Size

571KB
MD5

caa0cff47eb2fb6deb797c9c73ccf88b
SHA1

0b526ec97a44febd67746375aa797a5cfba04d42
SHA256

1708053483dc0e430fec8a8b7e265d22f44d2d8dd8d2a07dba270b20aabbbfc6
SHA512

fa9af48714d875696464ab0559c8264701cfc318334a46608df711d30668bdacc7c276b3b5e94abfa67d50aeb52c79e7edd9e351be7b82b25d23545c52dcb7ca
SSDEEP

6144:05iljyP6cmC6YlgFVNwpyQCPLzUDms95NqnRpePh1Kq:008DmugF1QCTz1RIJ1Kq

Score

10^/10

conti ransomware

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.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--- 0eEz6OuhUnwbHRlzxC3jBFbAMntT9rjPj0rYaBQkgN1a8Xg1kFQz4zOKyF9mfVph ---END ID---

URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.top/

Signatures

Conti Ransomware
Ransomware generally thought to be a successor to Ryuk.
ransomware conti
Renames multiple (7927) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Drops desktop.ini file(s) 46 IoCs

Processes:

regsvr32.exe

description	ioc	process
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\Microsoft Games\FreeCell\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Admin\Documents\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\2Y0HPGOE\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\AS4I30IR\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\Desktop\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Admin\Pictures\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\Microsoft Games\Hearts\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\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini	regsvr32.exe
File opened for modification	C:\Program Files\desktop.ini	regsvr32.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Public\Recorded TV\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\Local\Microsoft\Feeds Cache\JP38OXIN\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\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\Favorites\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Public\Downloads\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\Admin\Favorites\Links for United States\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	regsvr32.exe
File opened for modification	C:\Program Files (x86)\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Public\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\Solitaire\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Admin\Videos\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\Local\Microsoft\Feeds Cache\266EQP1S\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\Downloads\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\Public\Desktop\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	regsvr32.exe
File opened for modification	C:\Users\Public\Videos\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\Music\Sample Music\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\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.frameworkadmin.equinox_1.0.500.v20131211-1531.jar	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.util_1.0.500.v20130404-1337.jar	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Stationery\1033\CURRENCY.HTM	regsvr32.exe
File created	C:\Program Files\VideoLAN\VLC\locale\cy\readme.txt	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ecf.filetransfer_5.0.0.v20140827-1444.jar	regsvr32.exe
File created	C:\Program Files\VideoLAN\VLC\locale\nl\LC_MESSAGES\readme.txt	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\Beige.css	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\DD01145_.WMF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveProjectToolset\SplashImage.jpg	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0152894.WMF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0179963.JPG	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0232395.WMF	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\config\Modules\org-netbeans-modules-profiler-heapwalker.xml	regsvr32.exe
File created	C:\Program Files\Microsoft Games\More Games\en-US\readme.txt	regsvr32.exe
File created	C:\Program Files\VideoLAN\VLC\locale\en_GB\readme.txt	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Chicago	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\menu_arrow.gif	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-utilities_zh_CN.jar	regsvr32.exe
File created	C:\Program Files (x86)\Common Files\Services\readme.txt	regsvr32.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\NavigationLeft_SelectionSubpicture.png	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\DISTLSTS.ICO	regsvr32.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.log	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\POWERPNT.DEV_COL.HXC	regsvr32.exe
File created	C:\Program Files\VideoLAN\VLC\lua\meta\readme.txt	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\ZPDIR51F.GIF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\AUTOSHAP\BD18206_.WMF	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx.zh_CN_5.5.0.165303.jar	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\Outlook.en-us\SETUP.XML	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\DD00705_.WMF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\DD01171_.WMF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0105410.WMF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0382960.JPG	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\WB02229_.GIF	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Samara	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-core-multitabs.jar	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveProjectToolset\WhiteboxMask.bmp	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\CARBN_01.MID	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO01063_.WMF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\DiscussionToolIconImages.jpg	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.metadata.repository.nl_zh_4.4.0.v20140623020002.jar	regsvr32.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\readme.txt	regsvr32.exe
File opened for modification	C:\Program Files\Mozilla Firefox\defaultagent.ini	regsvr32.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\rectangle_performance_Thumbnail.bmp	regsvr32.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\Europe\Vilnius	regsvr32.exe
File created	C:\Program Files\VideoLAN\VLC\locale\pl\LC_MESSAGES\readme.txt	regsvr32.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\http\css\ui-lightness\jquery-ui-1.8.13.custom.css	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\FD02158_.WMF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\J0115835.GIF	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.components.ui.ja_5.5.0.165303.jar	regsvr32.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\America\Barbados	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0239935.WMF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\SKY\SKY.INF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBFTSCM\SCHEME51.CSS	regsvr32.exe
File created	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\Packages\Debugger\readme.txt	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\SlateBlue.css	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\Sounds\Things\SPLASH.WAV	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms5\FORM.JS	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core-output2_zh_CN.jar	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes.nl_ja_4.4.0.v20140623020002.jar	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\HH00623_.WMF	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0105320.WMF	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-core-execution.jar	regsvr32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-awt_zh_CN.jar	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Internet Explorer\ie9props.propdesc	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

regsvr32.exe

pid	process
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe
2784	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 2216 wrote to memory of 2784	2216	regsvr32.exe	regsvr32.exe
PID 2216 wrote to memory of 2784	2216	regsvr32.exe	regsvr32.exe
PID 2216 wrote to memory of 2784	2216	regsvr32.exe	regsvr32.exe
PID 2216 wrote to memory of 2784	2216	regsvr32.exe	regsvr32.exe
PID 2216 wrote to memory of 2784	2216	regsvr32.exe	regsvr32.exe
PID 2216 wrote to memory of 2784	2216	regsvr32.exe	regsvr32.exe
PID 2216 wrote to memory of 2784	2216	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\caa0cff47eb2fb6deb797c9c73ccf88b.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\caa0cff47eb2fb6deb797c9c73ccf88b.dll
  2⤵
  - Drops desktop.ini file(s)
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  PID:2784

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Program Files (x86)\readme.txt

Filesize
1KB

MD5
3f90c3fc1f90a6146c5adffd6c732338

SHA1
a666d35229248036f9581833e95974ca3482d743

SHA256
50218a82ffd8d50145a5da1873225c83d8d4c95401a0c6cdb4f4acebf14507f2

SHA512
b2e78890aa99f2404c57313b449ce5f03e1dbb2e0d806b546ef272ca77a7682b4b7fb1db3a05b0b751df4939b0a2bee278724fb654f9f854e7b3acd141545fa4

Download Submit
memory/2784-0-0x0000000010000000-0x0000000010092000-memory.dmp

Filesize
584KB

Download
memory/2784-1-0x0000000000870000-0x00000000008D5000-memory.dmp

Filesize
404KB

Download
memory/2784-2-0x0000000010000000-0x0000000010092000-memory.dmp

Filesize
584KB

Download
memory/2784-407-0x0000000010000000-0x0000000010092000-memory.dmp

Filesize
584KB

Download
memory/2784-2425-0x0000000000870000-0x00000000008D5000-memory.dmp

Filesize
404KB

Download
memory/2784-3018-0x0000000010000000-0x0000000010092000-memory.dmp

Filesize
584KB

Download
memory/2784-6188-0x0000000010000000-0x0000000010092000-memory.dmp

Filesize
584KB

Download
memory/2784-9026-0x0000000010000000-0x0000000010092000-memory.dmp

Filesize
584KB

Download
memory/2784-10708-0x0000000010000000-0x0000000010092000-memory.dmp

Filesize
584KB

Download
memory/2784-17548-0x0000000010000000-0x0000000010092000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads