Analysis
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max time kernel
96s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09-09-2024 17:18
Static task
static1
Behavioral task
behavioral1
Sample
19054042f099955c1a9672d87cf43275e48d0797a39f11dc8aad7e35233186b4.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
19054042f099955c1a9672d87cf43275e48d0797a39f11dc8aad7e35233186b4.dll
Resource
win10v2004-20240802-en
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
Malware Config
Extracted
C:\Program Files (x86)\readme.txt
conti
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 (7961) 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) 46 IoCs
description ioc Process 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:\Program Files\Microsoft Games\Solitaire\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Music\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:\Program Files\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Documents\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Downloads\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\GRU3FPRK\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\X9WSUL7T\desktop.ini regsvr32.exe File opened for modification C:\Program Files\Microsoft Games\SpiderSolitaire\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\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\Contacts\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Favorites\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\Public\Documents\desktop.ini regsvr32.exe File opened for modification C:\Program Files (x86)\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\TL381H8Y\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Videos\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\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\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 File opened for modification C:\Users\Admin\Saved Games\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\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\FreeCell\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\Libraries\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\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\EHDN25ED\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\Pictures\desktop.ini regsvr32.exe File opened for modification C:\Users\Admin\Music\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Desktop\desktop.ini regsvr32.exe File opened for modification C:\Users\Public\Recorded TV\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\Music\Sample Music\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)\Microsoft Office\Office14\1033\DataServices\DESKTOP.INI regsvr32.exe File opened for modification C:\Program Files\Microsoft Games\Chess\desktop.ini regsvr32.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\en-US.pak regsvr32.exe File opened for modification C:\Program Files\Java\jre7\lib\meta-index regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA00057_.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\ZPAPERS.INI regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Black Tie.thmx regsvr32.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\playlist\newgrounds.luac regsvr32.exe File created C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\SubsetList\readme.txt regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-swing-outline.xml regsvr32.exe File opened for modification C:\Program Files\DVD Maker\Shared\DissolveNoise.png regsvr32.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\16_9-frame-overlay.png regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\com.jrockit.mc.rcp.product_5.5.0.165303\feature.xml regsvr32.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\BabyBlue\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0234001.WMF regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.preferences_3.5.200.v20140224-1527.jar regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\Desert\HEADER.GIF regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Tarawa regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0294991.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\LEVEL\THMBNAIL.PNG regsvr32.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Pacific\Marquesas regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-host.jar regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms5\ERROR.GIF regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-attach.xml regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PH03014_.GIF regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.console_1.0.300.v20131113-1212.jar regsvr32.exe File created C:\Program Files\VideoLAN\VLC\locale\lv\LC_MESSAGES\readme.txt regsvr32.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main.xml regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\SpeechEngines\Microsoft\TTS20\en-US\enu-dsk\M1033DSK.CSD regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\org-netbeans-api-visual.xml_hidden regsvr32.exe File opened for modification C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\RedistList\FrameworkList.xml regsvr32.exe File created C:\Program Files (x86)\Common Files\SpeechEngines\Microsoft\TTS20\en-US\enu-dsk\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\SpeechEngines\Microsoft\TTS20\en-US\enu-dsk\M1033DSK.UDT regsvr32.exe File created C:\Program Files\VideoLAN\VLC\locale\bs\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\PAPYRUS\PAPYRUS.INF regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.artifact.repository_1.1.300.v20131211-1531.jar regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveProjectToolset\CircleIconsMask.bmp regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0185798.WMF regsvr32.exe File created C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\AXIS\readme.txt regsvr32.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Pacific\Auckland regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\GMT+10 regsvr32.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\BrightYellow\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0196400.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OutlookAutoDiscover\YAHOO.COM.CN.XML regsvr32.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\play-static.png regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0153305.WMF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\LINEACT.POC regsvr32.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Antarctica\Vostok regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0090149.WMF regsvr32.exe File created C:\Program Files\Java\jre7\bin\server\readme.txt regsvr32.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\oskpred\oskpredbase.xml regsvr32.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Asia\Riyadh88 regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Jakarta regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\GRAPH_K_COL.HXK regsvr32.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\SONORA\SONORA.INF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolIcons\messageboxerror.ico regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\Publisher\Backgrounds\J0143744.GIF regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.services_1.1.0.v20140328-1925.jar regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.ssl.feature_1.0.0.v20140827-1444\feature.xml regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Argentina\Cordoba regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\BabyBlue\HEADER.GIF regsvr32.exe File created C:\Program Files\Microsoft Office\readme.txt regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0200521.WMF regsvr32.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Push\NavigationUp_ButtonGraphic.png regsvr32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.rcp_4.4.0.v20141007-2301\META-INF\MANIFEST.MF regsvr32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\ONENOTE_COL.HXC 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 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe 2096 regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2052 wrote to memory of 2096 2052 regsvr32.exe 29 PID 2052 wrote to memory of 2096 2052 regsvr32.exe 29 PID 2052 wrote to memory of 2096 2052 regsvr32.exe 29 PID 2052 wrote to memory of 2096 2052 regsvr32.exe 29 PID 2052 wrote to memory of 2096 2052 regsvr32.exe 29 PID 2052 wrote to memory of 2096 2052 regsvr32.exe 29 PID 2052 wrote to memory of 2096 2052 regsvr32.exe 29
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\19054042f099955c1a9672d87cf43275e48d0797a39f11dc8aad7e35233186b4.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2052 -
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:2096
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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