Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
29-05-2024 14:18
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
0a986e64e43226720c7478a67eb9a1ff88d60b6de22b4e4303f9b25a2ab881a1.dll
Resource
win7-20231129-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
0a986e64e43226720c7478a67eb9a1ff88d60b6de22b4e4303f9b25a2ab881a1.dll
Resource
win10v2004-20240426-en
windows10-2004-x64
7 signatures
150 seconds
General
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Target
0a986e64e43226720c7478a67eb9a1ff88d60b6de22b4e4303f9b25a2ab881a1.dll
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Size
395KB
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MD5
21daf51d8e7049bb0c31001df0df6de6
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SHA1
a6ee1e7c3ad2200c04d7809a84fee83ec6eca9de
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SHA256
0a986e64e43226720c7478a67eb9a1ff88d60b6de22b4e4303f9b25a2ab881a1
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SHA512
bd9a915c1ca02ce7d499871663dcfe623a64ca51283a7efccf14088a7b472e1551dba7a272a9290f293541bc614bea8fcf02faa56acae4529b70c73c16ad5b11
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SSDEEP
12288:seeSiw+xtMM0Lf00Ah02DICko3hCsOEsk4t/Ni:CSiht+LfM9DIro0sOEsk4t/N
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.click
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---
2gRarkVApsbggVSyrETPQ81XrSylLmTR6P6kpgQQW7yzQQfDKtzwtC5IaK9CXMDx
---END ID---
URLs
http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/
https://contirecovery.click
Signatures
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Conti Ransomware
Ransomware generally thought to be a successor to Ryuk.
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Renames multiple (7371) 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
Processes:
regsvr32.exedescription ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\readme.txt regsvr32.exe -
Drops desktop.ini file(s) 31 IoCs
Processes:
regsvr32.exedescription ioc Process 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\Admin\Pictures\Camera Roll\desktop.ini regsvr32.exe File opened for modification C:\Program Files (x86)\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\Public\Libraries\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Videos\desktop.ini regsvr32.exe File opened for modification C:\Program Files\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\3D Objects\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Music\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\OneDrive\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\Public\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Documents\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Music\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\Default\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\Admin\Favorites\Links\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Searches\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\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\Admin\Desktop\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 -
Drops file in Program Files directory 64 IoCs
Processes:
regsvr32.exedescription ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\STSLIST.CHM regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial-ul-oob.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\sfodbc.did regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\S_IlluNoInternetConnection_120x80.svg regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\createpdfupsell-app\images\rhp_world_icon_hover_2x.png 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\scan-files\images\themeless\[email protected] regsvr32.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\fi\readme.txt regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSPPT.OLB regsvr32.exe File opened for modification C:\Program Files\Java\jre-1.8\legal\jdk\unicode.md regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Fonts\private\ANTQUAB.TTF regsvr32.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\LEVEL\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\S_IlluEmptyStateCCFiles_280x192.svg regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\images\themeless\edit_pdf_poster.jpg regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial1-ul-oob.xrm-ms regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\organize.svg 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\sv-se\ui-strings.js regsvr32.exe File created C:\Program Files\VideoLAN\VLC\locale\de\LC_MESSAGES\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\next-arrow-default.svg regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\Scan_visual.svg regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\images\themes\dark\icons.png regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Grace-ppd.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART6.BDR regsvr32.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\readme.txt regsvr32.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\jdk\bcel.md 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\js\plugins\desktop-connector-files\js\nls\it-it\ui-strings.js regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\pmd.cer regsvr32.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\jdk\pkcs11wrapper.md regsvr32.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\readme.txt regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-pl.xrm-ms regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\VisualElements\SmallLogoCanary.png regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\s_gridview.svg regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\hi_contrast\core_icons__retina_hiContrast_wob.png regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\js\nls\zh-tw\readme.txt regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription4-ul-oob.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL011.XML regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_ghost_profile_large.png regsvr32.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\Web Server Extensions\16\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\plugins\rhp\combinepdf-selector.js regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\digsig\js\nls\it-it\readme.txt regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\viewer\nls\sv-se\readme.txt regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-ppd.xrm-ms regsvr32.exe File created C:\Program Files\Common Files\microsoft shared\VGX\readme.txt regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_MAK-ul-oob.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_KMS_Client_AE-ul-oob.xrm-ms regsvr32.exe File created C:\Program Files\VideoLAN\VLC\locale\ps\readme.txt regsvr32.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\playlist\newgrounds.luac regsvr32.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\jdk\colorimaging.md regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OsfInstallerConfig.xml regsvr32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsptg.xml regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\js\nls\es-es\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sign-services-auth\js\nls\sv-se\ui-strings.js regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\editpdf\images\themes\readme.txt regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_KMS_Client-ul-oob.xrm-ms regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\basicsimple.dotx regsvr32.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\am\LC_MESSAGES\vlc.mo regsvr32.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\js\nls\sv-se\readme.txt regsvr32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipssrb.xml regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN107.XML regsvr32.exe File created C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\it\readme.txt regsvr32.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\1033\VBAOWS10.CHM regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\desktop-connector-files\js\nls\de-de\ui-strings.js regsvr32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sign-services-auth\js\nls\sl-si\ui-strings.js regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
regsvr32.exepid Process 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe 5072 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
regsvr32.exedescription pid Process procid_target PID 2712 wrote to memory of 5072 2712 regsvr32.exe 82 PID 2712 wrote to memory of 5072 2712 regsvr32.exe 82 PID 2712 wrote to memory of 5072 2712 regsvr32.exe 82
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\0a986e64e43226720c7478a67eb9a1ff88d60b6de22b4e4303f9b25a2ab881a1.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2712 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\0a986e64e43226720c7478a67eb9a1ff88d60b6de22b4e4303f9b25a2ab881a1.dll2⤵
- Drops startup file
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:5072
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
1KB
MD57ef9af16fba19ef6c4047d3dec20d7c1
SHA1a0d7daca72e868fac1bf17b9dd6d53cffa2247b8
SHA256eaa4483ba17175d09ad8cdd70aee8d37ea738ec93a99f2ba1beeddc8587b0366
SHA512c8c43448abf02736b2eb923adbf3df070062252851be3e6831ae6fa98d5e8fd07408af3139c54ccb1395e43be0f002f6d25cee76f6f820f7a74c7995c41a6862