Analysis
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max time kernel
71s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
09-09-2024 17:09
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
0c81c3f11ecfe18cbf1d84e179b73ece5e2564c88e423cdc31d674f3d5300e5d.dll
Resource
win7-20240903-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
0c81c3f11ecfe18cbf1d84e179b73ece5e2564c88e423cdc31d674f3d5300e5d.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
0c81c3f11ecfe18cbf1d84e179b73ece5e2564c88e423cdc31d674f3d5300e5d.dll
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Size
510KB
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MD5
70d6d4600ad7a386af73f075f8bf1a0f
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SHA1
5039dd23d9bf702bb8f0cd41999bbb2cb5f2d062
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SHA256
0c81c3f11ecfe18cbf1d84e179b73ece5e2564c88e423cdc31d674f3d5300e5d
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SHA512
168aa83fcea20e2e859c56c39c9eeeb2d117230427d740d97fe9838f36604bd87ea8e0a16849c0787b0c750df09decb8b5b8497d685aa721ed22ba78a44b61eb
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SSDEEP
3072:SQkg5cAzJkv06HGaVpiehqpGDYwAM/cNfK89j8Qa34o7dVxt:SEcuVqTATicDNYVb
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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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Renames multiple (7654) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
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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:\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\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\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\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\3D Objects\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\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\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI regsvr32.exe File opened for modification C:\Users\Public\Libraries\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Links\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Searches\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\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\Saved Games\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\AccountPictures\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\Admin\Music\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Pictures\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\Videos\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Desktop\desktop.ini regsvr32.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-pl.xrm-ms regsvr32.exe File created C:\Program Files (x86)\Common Files\System\msadc\ja-JP\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\en-ae\ui-strings.js regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\images\themes\dark\readme.txt regsvr32.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\deploy\messages_zh_TW.properties regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\manifest.xml regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\nls\sv-se\ui-strings.js regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\js\nls\tr-tr\ui-strings.js regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\js\nls\it-it\ui-strings.js regsvr32.exe File created C:\Program Files\Common Files\System\msadc\readme.txt regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-ul-phn.xrm-ms regsvr32.exe File created C:\Program Files (x86)\Common Files\System\ado\en-US\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\127.0.2651.86\ResiliencyLinks\Locales\af.pak.DATA regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\send-for-sign\images\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\en_get.svg regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\images\email\adobe_logo.png regsvr32.exe File created C:\Program Files\Microsoft Office 15\ClientX64\readme.txt regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-pl.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Retail-ul-oob.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Help\NamedUrls.HxK regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\127.0.2651.86\ResiliencyLinks\Locales\kk.pak.DATA regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\BLUECALM\BLUECALM.INF regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\js\nls\en-ae\ui-strings.js regsvr32.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\es-ES\sqlxmlx.rll.mui regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Blue Warm.xml regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Glow Edge.eftx regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\editpdf\js\nls\tr-tr\ui-strings.js regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\generic-rhp-app\images\themes\dark\example_icons2x.png regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Trial-pl.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\123.0.6312.123.manifest regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\app-center\js\nls\fi-fi\ui-strings.js regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription1-ppd.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_PrepidBypass-ppd.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MEDIA\BREEZE.WAV regsvr32.exe File created C:\Program Files\VideoLAN\VLC\locale\da\readme.txt regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Common AppData\Microsoft\OFFICE\SharePointTeamSite.ico regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\editpdf\js\nls\hr-hr\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\js\nls\en-gb\ui-strings.js regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial2-ppd.xrm-ms regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\js\selector.js regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\fre\StartMenu_Win10.mp4 regsvr32.exe File created C:\Program Files\VideoLAN\VLC\locale\el\LC_MESSAGES\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\js\plugin.js regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\activity-badge\js\nls\sl-si\readme.txt regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\desktop-connector-files\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\reviews\images\themes\dark\cstm_brand_preview.png regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\en-gb\ui-strings.js regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_MAK-ul-oob.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL.HXS regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\js\nls\zh-tw\ui-strings.js regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\viewer\nls\da-dk\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\plugins\tracked-send\js\nls\fi-fi\ui-strings.js regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Trial-ppd.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ppd.xrm-ms regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\pages-app\js\nls\pt-br\ui-strings.js regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\js\nls\en-il\readme.txt regsvr32.exe File created C:\Program Files\Java\jre-1.8\legal\readme.txt regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_KMS_Client_AE-ul-oob.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\he.pak regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-files\js\nls\sv-se\readme.txt regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-white_scale-100.png regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\COMPASS\COMPASS.INF regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\win8-scrollbar\arrow-up-pressed.gif regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-files\css\main.css regsvr32.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe 1088 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 228 wrote to memory of 1088 228 regsvr32.exe 90 PID 228 wrote to memory of 1088 228 regsvr32.exe 90 PID 228 wrote to memory of 1088 228 regsvr32.exe 90
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\0c81c3f11ecfe18cbf1d84e179b73ece5e2564c88e423cdc31d674f3d5300e5d.dll1⤵
- Suspicious use of WriteProcessMemory
PID:228 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\0c81c3f11ecfe18cbf1d84e179b73ece5e2564c88e423cdc31d674f3d5300e5d.dll2⤵
- Drops startup file
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1088
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1012,i,3861745594156495651,17595114179815238301,262144 --variations-seed-version --mojo-platform-channel-handle=1408 /prefetch:81⤵PID:3444
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5df7b95b1555951e1c1095ec1a913f78a
SHA1076812ba99a65a76f6510824f9317c85b7a65bdb
SHA25615ac17280f7e4b43eb21c090792465494eede0937897c271eb1cc14733dc371e
SHA512b85bee418326445ed0efd217cb92432138ad63b46ff41d98a85d2af648698448f1680a320669ec4d1a735c8a40d5747983652d02fafc5c9737747e659f4f8e30