Analysis
-
max time kernel
120s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
29-05-2024 14:23
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2b539e01c9130912fdc604222c4fb1d82da817eccc4bbda8e97fa132fa2994e5.dll
Resource
win7-20240221-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2b539e01c9130912fdc604222c4fb1d82da817eccc4bbda8e97fa132fa2994e5.dll
Resource
win10v2004-20240508-en
windows10-2004-x64
7 signatures
150 seconds
General
-
Target
2b539e01c9130912fdc604222c4fb1d82da817eccc4bbda8e97fa132fa2994e5.dll
-
Size
395KB
-
MD5
06bd36c520229b2acfc5e3b2fd5bb770
-
SHA1
94fbea5f65516a8f81552fd45313bfba4cf871f9
-
SHA256
2b539e01c9130912fdc604222c4fb1d82da817eccc4bbda8e97fa132fa2994e5
-
SHA512
a6627713e4ef33f309304af671b5db4dccc94a2ee97d22f007e7abc4d6590ce5a32e140edb9e8e315458fefad3b23e6c66b7e46d198101b6d2e7b097f705ddf0
-
SSDEEP
12288:0GbI4ivc5yDu6FhMI9y6v6FhOnvu4MR1RFTFt:0GbITvcYDuohMI9y60hkvhMbvTX
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://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
-
Conti Ransomware
Ransomware generally thought to be a successor to Ryuk.
-
Renames multiple (7906) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Drops desktop.ini file(s) 46 IoCs
description ioc Process File opened for modification C:\Users\Admin\Videos\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Pictures\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\Documents\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Recorded TV\Sample Media\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\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\SpiderSolitaire\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Searches\desktop.ini regsvr32.exe File opened for modification C:\Program Files\Microsoft Games\FreeCell\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\Favorites\Links for United States\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\AppData\Local\Microsoft\Feeds Cache\JP38OXIN\desktop.ini regsvr32.exe File opened for modification C:\Program Files\desktop.ini regsvr32.exe File opened for modification C:\Program Files\Microsoft Games\Purble Place\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Links\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Libraries\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\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\Hearts\desktop.ini regsvr32.exe File opened for modification C:\Program Files\Microsoft Games\Mahjong\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Favorites\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:\Program Files\Common Files\Microsoft Shared\Stationery\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\2Y0HPGOE\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\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\Downloads\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Music\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\AS4I30IR\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\Contacts\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Music\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\Favorites\Links\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\266EQP1S\desktop.ini regsvr32.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre7\lib\deploy\splash.gif regsvr32.exe File created C:\Program Files\Java\jre7\lib\jfr\readme.txt regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\dcommon\gifs\larrow.gif regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0282932.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PARNT_03.MID regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Effects\Clarity.eftx regsvr32.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\Notes_loop.wmv regsvr32.exe File opened for modification C:\Program Files (x86)\Internet Explorer\SIGNUP\install.ins regsvr32.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Blue_Gradient.jpg regsvr32.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\To_Do_List.emf regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BS00445_.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolIcons\gfserrorfromgroove.ico regsvr32.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\bg\LC_MESSAGES\vlc.mo regsvr32.exe File opened for modification C:\Program Files\7-Zip\Lang\si.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PH02053J.JPG regsvr32.exe File created C:\Program Files\Common Files\Microsoft Shared\ink\pt-PT\readme.txt regsvr32.exe File created C:\Program Files\VideoLAN\VLC\plugins\access_output\readme.txt regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-compat.xml regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Stationery\Peacock.jpg regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0105520.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0285792.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBFTSCM\SCHEME29.CSS regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\org-netbeans-core-execution.xml_hidden regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\p2\org.eclipse.equinox.p2.engine\profileRegistry\JMC.profile\1423861240389.profile.gz regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Opulent.thmx regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA02091_.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\BDRTKFUL.POC regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.equinox.p2.core.feature_1.3.0.v20140523-0116\epl-v10.html regsvr32.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\et.pak regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.flightrecorder.ui_5.5.0.165303.jar regsvr32.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Asia\Riyadh87 regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\SlateBlue.css regsvr32.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.equinox.p2.core.feature_1.3.0.v20140523-0116\readme.txt regsvr32.exe File created C:\Program Files\Microsoft Games\Mahjong\fr-FR\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\DD00687_.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\TN00253_.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD15056_.GIF regsvr32.exe File created C:\Program Files\Java\jre7\lib\zi\America\North_Dakota\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA01152_.WMF regsvr32.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Library\Analysis\readme.txt regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.flightrecorder.controlpanel.ui.zh_CN_5.5.0.165303.jar regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OSPP.VBS regsvr32.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Circle_SelectionSubpictureB.png regsvr32.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Postage_VideoInset.png regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0313974.JPG regsvr32.exe File created C:\Program Files\Internet Explorer\en-US\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PH02417U.BMP regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\LINES\J0115875.GIF regsvr32.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Europe\Volgograd regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Grid.thmx regsvr32.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\passport_mask_right.png regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\BREEZE\THMBNAIL.PNG regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD21337_.GIF regsvr32.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Africa\Bissau regsvr32.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Asia\Manila regsvr32.exe File created C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\SpringGreen\readme.txt regsvr32.exe File opened for modification C:\Program Files\Java\jre7\lib\jsse.jar regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA02124_.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PH02742G.GIF regsvr32.exe File opened for modification C:\Program Files\Java\jre7\lib\ext\localedata.jar regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-api-visual.jar regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\utilityfunctions.js regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0239191.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\MUSIC_01.MID regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe 2488 regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2492 wrote to memory of 2488 2492 regsvr32.exe 28 PID 2492 wrote to memory of 2488 2492 regsvr32.exe 28 PID 2492 wrote to memory of 2488 2492 regsvr32.exe 28 PID 2492 wrote to memory of 2488 2492 regsvr32.exe 28 PID 2492 wrote to memory of 2488 2492 regsvr32.exe 28 PID 2492 wrote to memory of 2488 2492 regsvr32.exe 28 PID 2492 wrote to memory of 2488 2492 regsvr32.exe 28
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\2b539e01c9130912fdc604222c4fb1d82da817eccc4bbda8e97fa132fa2994e5.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2492 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\2b539e01c9130912fdc604222c4fb1d82da817eccc4bbda8e97fa132fa2994e5.dll2⤵
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:2488
-
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD57ef9af16fba19ef6c4047d3dec20d7c1
SHA1a0d7daca72e868fac1bf17b9dd6d53cffa2247b8
SHA256eaa4483ba17175d09ad8cdd70aee8d37ea738ec93a99f2ba1beeddc8587b0366
SHA512c8c43448abf02736b2eb923adbf3df070062252851be3e6831ae6fa98d5e8fd07408af3139c54ccb1395e43be0f002f6d25cee76f6f820f7a74c7995c41a6862