Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
10-04-2024 14:06
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c77032c772e0ef0e3200edf38223f9c6047e56294e840ea79689b9e56048c69c.dll
Resource
win7-20240221-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
c77032c772e0ef0e3200edf38223f9c6047e56294e840ea79689b9e56048c69c.dll
Resource
win10v2004-20231215-en
windows10-2004-x64
7 signatures
150 seconds
General
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Target
c77032c772e0ef0e3200edf38223f9c6047e56294e840ea79689b9e56048c69c.dll
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Size
411KB
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MD5
96c017a5aa2c8eb6928c42b65007b0b1
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SHA1
10538d70484dde435247e4f35bc3ccb071da124e
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SHA256
c77032c772e0ef0e3200edf38223f9c6047e56294e840ea79689b9e56048c69c
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SHA512
8ef91a12b344b4695ed6d7853112ae1984cb594f537622a4c8ffcdff7a6c0d076b5c8512aca60b91df9ac48615b1844ecd868155b06b258fccf80945e42e8e33
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SSDEEP
6144:EzHsraE2aGes43f8+EeulBermsvwlAlGmlIquGWbD15X54/7x:EzN01U+Eeul+mo3l7yqBWH1du/7x
Score
10/10
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://contirec7nchr45rx6ympez5rjldibnqzh7lsa56lvjvaeywhvoj3wad.onion/4II8qZsSBFY05l3oI49GoWjYNaSTfkhOox0XQSb7NIBdAROaIXSX4zPUq7uC9E0X
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---
4II8qZsSBFY05l3oI49GoWjYNaSTfkhOox0XQSb7NIBdAROaIXSX4zPUq7uC9E0X
---END ID---
URLs
http://contirec7nchr45rx6ympez5rjldibnqzh7lsa56lvjvaeywhvoj3wad.onion/4II8qZsSBFY05l3oI49GoWjYNaSTfkhOox0XQSb7NIBdAROaIXSX4zPUq7uC9E0X
Signatures
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Conti Ransomware
Ransomware generally thought to be a successor to Ryuk.
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Renames multiple (7972) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops desktop.ini file(s) 46 IoCs
Processes:
regsvr32.exedescription ioc Process 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\Pictures\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\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:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\87XXOISN\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Documents\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Links\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Searches\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\Favorites\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Downloads\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Libraries\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\Saved Games\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Videos\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Recorded TV\Sample Media\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\Desktop\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Pictures\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Recorded TV\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Videos\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\JSZQNXMR\desktop.ini regsvr32.exe File opened for modification C:\Program Files\Microsoft Games\Purble Place\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\Public\Documents\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\Public\Videos\Sample Videos\desktop.ini regsvr32.exe File opened for modification C:\Program Files (x86)\desktop.ini regsvr32.exe File opened for modification C:\Program Files\Microsoft Games\Chess\desktop.ini regsvr32.exe File opened for modification C:\Program Files\Microsoft Games\FreeCell\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 for United States\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\HKGE1S7K\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\Public\Music\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\Admin\Favorites\Links\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\6QIBR00Y\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\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini regsvr32.exe -
Drops file in Program Files directory 64 IoCs
Processes:
regsvr32.exedescription ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PH01035U.BMP regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Cancun regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\validation.js regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0216153.JPG regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO02025_.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\DGNAVBAR.XML regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD15060_.GIF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD21298_.GIF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\AG00004_.GIF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BL00274_.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\HH01013_.WMF regsvr32.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\META-INF\readme.txt regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\org-netbeans-core-output2.xml_hidden regsvr32.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\lib\jfr\readme.txt regsvr32.exe File created C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\ja\readme.txt regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Atlantic\Azores regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\AN01545_.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\HH02155_.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0090027.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\EAST_01.MID regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\OMSMMS.CFG regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Riyadh87 regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBFTSCM\SCHEME43.CSS regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Riyadh88 regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\org-netbeans-modules-print.xml_hidden regsvr32.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\configuration\readme.txt regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.docs.zh_CN_5.5.0.165303.jar regsvr32.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Etc\GMT-4 regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\rtf_increaseindent.gif regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\GREETING.XML regsvr32.exe File created C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\readme.txt regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-queries.xml regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD21304_.GIF regsvr32.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\ar.pak regsvr32.exe File opened for modification C:\Program Files\7-Zip\Lang\uz-cyrl.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\HM00005_.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Metro.xml regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\PDIR22F.GIF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\MMSS.ICO regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-windows.xml regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\rtf_bullets.gif regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0151045.WMF regsvr32.exe File opened for modification C:\Program Files\Java\jre7\lib\fonts\LucidaSansRegular.ttf regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\PDIR10F.GIF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\HH00241_.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\RMNSQUE\RMNSQUE.INF regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Pontianak regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0198447.WMF regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.osgi.nl_ja_4.4.0.v20140623020002.jar regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Wordcnvpxy.cnv regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\META-INF\MANIFEST.MF regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-favorites_ja.jar regsvr32.exe File created C:\Program Files (x86)\Common Files\microsoft shared\TextConv\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0300840.WMF 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 opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\CST6CDT regsvr32.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\hwrdeulm.dat regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\EDGE\THMBNAIL.PNG regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\RCLRPT.CFG regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\VERSION.txt regsvr32.exe File created C:\Program Files\VideoLAN\VLC\locale\ps\LC_MESSAGES\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\CommonData\UnreadIcon.jpg regsvr32.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0099158.WMF regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
regsvr32.exepid Process 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe 2992 regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
regsvr32.exedescription pid Process procid_target PID 2932 wrote to memory of 2992 2932 regsvr32.exe 28 PID 2932 wrote to memory of 2992 2932 regsvr32.exe 28 PID 2932 wrote to memory of 2992 2932 regsvr32.exe 28 PID 2932 wrote to memory of 2992 2932 regsvr32.exe 28 PID 2932 wrote to memory of 2992 2932 regsvr32.exe 28 PID 2932 wrote to memory of 2992 2932 regsvr32.exe 28 PID 2932 wrote to memory of 2992 2932 regsvr32.exe 28
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\c77032c772e0ef0e3200edf38223f9c6047e56294e840ea79689b9e56048c69c.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2932 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\c77032c772e0ef0e3200edf38223f9c6047e56294e840ea79689b9e56048c69c.dll2⤵
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:2992
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
1KB
MD53bade989376423b866cc0199280e0e8d
SHA1c4dbf7dbb7cff7b97e560fb747ecbe08428f77f5
SHA256f083a59201a8bf3620f110f935d89ccbaa90dc93238503bc4df5879929ce8c80
SHA512676c75fa5cea0b7a7c36da3ddce9e25d15de29a05ba88e62aab4934b8ca1a4006f6ebf64b5b3e242b0e4f9f786c2a3166f95c16c207838ecbab07ee00640c5e0