Analysis
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max time kernel
93s -
max time network
100s -
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 16:00
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
19054042f099955c1a9672d87cf43275e48d0797a39f11dc8aad7e35233186b4.dll
Resource
win7-20240708-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
19054042f099955c1a9672d87cf43275e48d0797a39f11dc8aad7e35233186b4.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
19054042f099955c1a9672d87cf43275e48d0797a39f11dc8aad7e35233186b4.dll
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Size
510KB
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MD5
760992a7845d46bf001c18a945f5894c
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SHA1
3ba9b53bffb29f4c6f0cce90fca953d31b101542
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SHA256
19054042f099955c1a9672d87cf43275e48d0797a39f11dc8aad7e35233186b4
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SHA512
601b3621be17768be4f8dd4b6a943f6822ba8b6db981d88e112c7cbe5f91bb1493c10b1fdb543e16077ef08e433102eb6390985a29282f621e6fc20f3f766614
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SSDEEP
3072:1Qkg5cAzJkv06HGaVpiehqpGDYwAM/cNfK89j8Qa34oYrxxt:1EcuVqTATicDNxrxb
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---
XjezdRHFUimUr0tH8ArgmB2GSC70BzFRJYEeECCr4z5a0x6WoIRHtqlcNzOjkZOq
---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 (7337) 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\Desktop\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini regsvr32.exe File opened for modification C:\Program Files (x86)\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\3D Objects\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Music\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:\Program Files\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI regsvr32.exe File opened for modification C:\Users\Admin\Documents\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\AccountPictures\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\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Music\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Videos\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Downloads\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.ini regsvr32.exe File opened for modification C:\Users\Admin\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\Public\Desktop\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Videos\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Searches\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Documents\desktop.ini regsvr32.exe File opened for modification C:\Program Files\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\Microsoft Office\root\Office16\ODBC Drivers\salesforce.ini regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\img\themes\dark\faf_icons.png regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\unified-share\js\nls\nb-no\ui-strings.js regsvr32.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\ja\readme.txt regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\DataModel\Cartridges\sqlpdw.xsl regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\send-for-sign\images\s_agreement_filetype.svg regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ul-phn.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\LISTS\1033\TIME.XML regsvr32.exe File created C:\Program Files\Java\jre-1.8\lib\ext\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\js\nls\ar-ae\ui-strings.js regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Trust Protection Lists\Sigma\LICENSE regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-recent-files\js\nls\ro-ro\readme.txt regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-pl.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN114.XML regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\files\dev\nls\hu-hu\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\HomeBanner-3x.png regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProPlusMSDNR_Retail-ul-oob.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Java\jdk-1.8\legal\jdk\zlib.md regsvr32.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\ext\dnsns.jar regsvr32.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\brx\LC_MESSAGES\vlc.mo regsvr32.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_200_percent.pak regsvr32.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\pt-PT.pak regsvr32.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\gl\LC_MESSAGES\vlc.mo regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\unified-share\js\plugin.js regsvr32.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\classlist regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL090.XML regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\js\nls\nb-no\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\s_move_18.svg regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-recent-files\js\nls\fr-ma\ui-strings.js regsvr32.exe File created C:\Program Files (x86)\Common Files\System\msadc\es-ES\readme.txt 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\he-il\readme.txt regsvr32.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\jdk\pkcs11cryptotoken.md regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\TypeSupport\Unicode\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Locales\fa.pak regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\activity-badge\js\nls\en-gb\ui-strings.js regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\createpdfupsell-app\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\createpdfupsell-app\js\nls\zh-cn\ui-strings.js regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail3-ul-oob.xrm-ms regsvr32.exe File created C:\Program Files (x86)\Common Files\Java\Java Update\readme.txt 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)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-recent-files\js\nls\nb-no\ui-strings.js regsvr32.exe File opened for modification C:\Program Files\7-Zip\Lang\uz-cyrl.txt regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\activity-badge\js\nls\tr-tr\readme.txt regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\QUAD\QUAD.ELM regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\TypeSupport\Unicode\Mappings\win\CP1258.TXT regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer\images\new_icons.png regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-files\images\themes\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\createpdfupsell-app\js\nls\sk-sk\ui-strings.js regsvr32.exe File created C:\Program Files\VideoLAN\VLC\locale\pa\readme.txt regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\INDUST\INDUST.ELM regsvr32.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\security\java.security regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\PIXEL\PREVIEW.GIF regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ppd.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PowerPointInterProviderRanker.bin regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\System\ado\msado27.tlb regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Reflection.eftx regsvr32.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\el.pak regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\ResiliencyLinks\Trust Protection Lists\Mu\LICENSE.DATA regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTest-pl.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Retail-ul-phn.xrm-ms regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\js\nls\en-ae\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\close_x.png regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\send-for-sign\images\caution.svg regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\BLUECALM\BLUECALM.INF 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 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe 4796 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2236 wrote to memory of 4796 2236 regsvr32.exe 83 PID 2236 wrote to memory of 4796 2236 regsvr32.exe 83 PID 2236 wrote to memory of 4796 2236 regsvr32.exe 83
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\19054042f099955c1a9672d87cf43275e48d0797a39f11dc8aad7e35233186b4.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2236 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\19054042f099955c1a9672d87cf43275e48d0797a39f11dc8aad7e35233186b4.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:4796
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5cc018ffba18aff631ff9554af7c09546
SHA16e779cbf40a8cef2045ea1bf67c9b6730b94c66e
SHA256b1921403f7abde8d1d4485ce03ed3807a81517aec915e64ef3e5640cfece219c
SHA51287f9309d34058ec0ac9c357d1b336b094556996fcebc9729820fe2c41f0413fde1995aab91f479c8228aa2bd0cb8ea5988ff3c61e74be3a7786f3a89511f82d8