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Analysis
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max time kernel
132s -
max time network
101s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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:\ProgramData\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 (7356) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\readme.txt regsvr32.exe -
Drops desktop.ini file(s) 31 IoCs
description ioc Process File opened for modification C:\Users\Admin\OneDrive\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Searches\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Videos\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\Desktop\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Videos\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Music\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\Desktop\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Downloads\desktop.ini regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI regsvr32.exe File opened for modification C:\Users\Admin\3D Objects\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\Pictures\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\Admin\Contacts\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Links\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\Public\AccountPictures\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini regsvr32.exe File opened for modification C:\Program Files\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Documents\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Documents\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Libraries\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini regsvr32.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre-1.8\lib\rt.jar regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\js\nls\ro-ro\ui-strings.js regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\js\nls\pt-br\readme.txt regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_MAKC2R-pl.xrm-ms regsvr32.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\RIPPLE\readme.txt regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\files\dev\nls\zh-cn\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\assets\Sample Files\Adobe Cloud Services.pdf regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\EdgeWebView.dat regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-ul-oob.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ul-phn.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-black_scale-100.png regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\Font\ZX______.PFB regsvr32.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\fa.pak regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\S_IlluCCFilesEmpty_180x180.svg regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer-select\js\nls\zh-tw\ui-strings.js regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Grace-ppd.xrm-ms regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\css\readme.txt regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\js\nls\root\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\send-for-sign\images\themes\dark\faf_icons.png regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp4-pl.xrm-ms regsvr32.exe File created C:\Program Files\Common Files\microsoft shared\ink\lt-LT\readme.txt regsvr32.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\ext\dnsns.jar regsvr32.exe File created C:\Program Files\VideoLAN\VLC\plugins\stream_extractor\readme.txt regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\COMPASS\PREVIEW.GIF regsvr32.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\RMNSQUE\readme.txt regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\images\themes\readme.txt regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\Localized_images\pt-br\readme.txt regsvr32.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\img\tools\check.cur regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\js\nls\fr-ma\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\uss-search\js\nls\pt-br\ui-strings.js regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_MAK_AE-pl.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\VBA\VBA6\VBE6EXT.OLB regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\app\dev\nls\it-it\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\js\nls\hr-hr\ui-strings.js regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-files\js\nls\fi-fi\ui-strings.js regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\js\nls\en-gb\readme.txt regsvr32.exe File created C:\Program Files (x86)\Google\readme.txt regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART2.BDR regsvr32.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\images\Folder-48.png regsvr32.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\PlayReadyCdm\_platform_specific\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\ThirdPartyNotices.MSHWLatin.txt regsvr32.exe File created C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\readme.txt regsvr32.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\pa\LC_MESSAGES\vlc.mo regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\SearchEmail.png regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\file_types\themes\dark\s_agreement_filetype.svg regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_Subscription-ul-oob.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019MSDNR_Retail-ul-oob.xrm-ms regsvr32.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\ca\LC_MESSAGES\vlc.mo regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Notifications\SoftLandingAssetLight.gif regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ul-oob.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\security\policy\limited\US_export_policy.jar regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\unified-share\images\s_checkbox_selected_18.svg regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial4-ul-oob.xrm-ms regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\over-arrow-navigation.svg regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\pages-app\js\nls\en-gb\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\viewer\nls\ja-jp\ui-strings.js regsvr32.exe File opened for modification C:\Program Files\Common Files\System\ado\msado27.tlb regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\files\dev\nls\ko-kr\ui-strings.js regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\nls\ko-kr\readme.txt regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\js\nls\pl-pl\readme.txt regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\send-for-sign\js\nls\sv-se\readme.txt regsvr32.exe File created C:\Program Files\Java\jdk-1.8\bin\readme.txt regsvr32.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\logging.properties regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe 2952 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3568 wrote to memory of 2952 3568 regsvr32.exe 83 PID 3568 wrote to memory of 2952 3568 regsvr32.exe 83 PID 3568 wrote to memory of 2952 3568 regsvr32.exe 83
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\5757258e71f0fbbf92ac7a139b498d76eb655988fc38a9183bddcb58fe6aa786.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3568 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\5757258e71f0fbbf92ac7a139b498d76eb655988fc38a9183bddcb58fe6aa786.dll2⤵
- Drops startup file
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:2952
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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