Overview
overview
10Static
static
3Ransomware.7ev3n.exe
windows7-x64
Ransomware.7ev3n.exe
windows10-2004-x64
Ransomware...it.exe
windows7-x64
10Ransomware...it.exe
windows10-2004-x64
10Ransomware...us.exe
windows7-x64
10Ransomware...us.exe
windows10-2004-x64
10Ransomware...er.exe
windows7-x64
10Ransomware...er.exe
windows10-2004-x64
10MalwareCol...om.zip
windows7-x64
1MalwareCol...om.zip
windows10-2004-x64
1MalwareCol...v1.zip
windows7-x64
1MalwareCol...v1.zip
windows10-2004-x64
1MalwareCol...00.zip
windows7-x64
1MalwareCol...00.zip
windows10-2004-x64
1MalwareCol....0.zip
windows7-x64
1MalwareCol....0.zip
windows10-2004-x64
1MalwareCol....A.zip
windows7-x64
1MalwareCol....A.zip
windows10-2004-x64
1Analysis
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max time kernel
137s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system -
submitted
24-02-2024 11:28
Static task
static1
Behavioral task
behavioral1
Sample
Ransomware.7ev3n.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
Ransomware.7ev3n.exe
Resource
win10v2004-20240221-en
Behavioral task
behavioral3
Sample
Ransomware.BadRabbit.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
Ransomware.BadRabbit.exe
Resource
win10v2004-20240221-en
Behavioral task
behavioral5
Sample
Ransomware.CoronaVirus.exe
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
Ransomware.CoronaVirus.exe
Resource
win10v2004-20240221-en
Behavioral task
behavioral7
Sample
Ransomware.CryptoLocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
Ransomware.CryptoLocker.exe
Resource
win10v2004-20240221-en
Behavioral task
behavioral9
Sample
MalwareCollection-master/Ransomware/Ransomware.NoMoreRansom.zip
Resource
win7-20240220-en
Behavioral task
behavioral10
Sample
MalwareCollection-master/Ransomware/Ransomware.NoMoreRansom.zip
Resource
win10v2004-20240221-en
Behavioral task
behavioral11
Sample
MalwareCollection-master/Ransomware/Ransomware.WannaCrypt0r.v1.zip
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
MalwareCollection-master/Ransomware/Ransomware.WannaCrypt0r.v1.zip
Resource
win10v2004-20240221-en
Behavioral task
behavioral13
Sample
MalwareCollection-master/Trojan/Trojan.000.zip
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
MalwareCollection-master/Trojan/Trojan.000.zip
Resource
win10v2004-20240221-en
Behavioral task
behavioral15
Sample
MalwareCollection-master/Trojan/Trojan.MEMZ-4.0.zip
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
MalwareCollection-master/Trojan/Trojan.MEMZ-4.0.zip
Resource
win10v2004-20240221-en
Behavioral task
behavioral17
Sample
MalwareCollection-master/Worm/Email-Worm/Email-Worm.Mylife.A.zip
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
MalwareCollection-master/Worm/Email-Worm/Email-Worm.Mylife.A.zip
Resource
win10v2004-20240221-en
General
-
Target
Ransomware.CoronaVirus.exe
-
Size
1.0MB
-
MD5
055d1462f66a350d9886542d4d79bc2b
-
SHA1
f1086d2f667d807dbb1aa362a7a809ea119f2565
-
SHA256
dddf7894b2e6aafa1903384759d68455c3a4a8348a7e2da3bd272555eba9bec0
-
SHA512
2c5e570226252bdb2104c90d5b75f11493af8ed1be8cb0fd14e3f324311a82138753064731b80ce8e8b120b3fe7009b21a50e9f4583d534080e28ab84b83fee1
-
SSDEEP
24576:FRYz/ERA0eMuWfHvgPw/83JI8CorP9qY0:FE/yADMuYvgP93JIc2
Malware Config
Extracted
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
coronavirus@qq.com
Signatures
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Dharma
Dharma is a ransomware that uses security software installation to hide malicious activities.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (500) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Ransomware.CoronaVirus.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1790404759-2178872477-2616469472-1000\Control Panel\International\Geo\Nation Ransomware.CoronaVirus.exe -
Drops startup file 5 IoCs
Processes:
Ransomware.CoronaVirus.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta Ransomware.CoronaVirus.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Ransomware.CoronaVirus.exe Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini Ransomware.CoronaVirus.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 3 IoCs
Processes:
Ransomware.CoronaVirus.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ransomware.CoronaVirus.exe = "C:\\Windows\\System32\\Ransomware.CoronaVirus.exe" Ransomware.CoronaVirus.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C:\Windows\System32\Info.hta = "mshta.exe \"C:\\Windows\\System32\\Info.hta\"" Ransomware.CoronaVirus.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C:\Users\Admin\AppData\Roaming\Info.hta = "mshta.exe \"C:\\Users\\Admin\\AppData\\Roaming\\Info.hta\"" Ransomware.CoronaVirus.exe -
Drops desktop.ini file(s) 64 IoCs
Processes:
Ransomware.CoronaVirus.exedescription ioc process File opened for modification F:\$RECYCLE.BIN\S-1-5-21-1790404759-2178872477-2616469472-1000\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group3\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\Documents\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Public\AccountPictures\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group3\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Public\Pictures\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Public\Videos\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group1\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn2\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group1\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Public\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\Music\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\$Recycle.Bin\S-1-5-21-1790404759-2178872477-2616469472-1000\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group2\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\System Tools\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\3D Objects\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Application Shortcuts\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Public\Desktop\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI Ransomware.CoronaVirus.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\Links\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\Searches\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group2\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Public\Libraries\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn1\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Public\Music\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini Ransomware.CoronaVirus.exe -
Drops file in System32 directory 2 IoCs
Processes:
Ransomware.CoronaVirus.exedescription ioc process File created C:\Windows\System32\Info.hta Ransomware.CoronaVirus.exe File created C:\Windows\System32\Ransomware.CoronaVirus.exe Ransomware.CoronaVirus.exe -
Drops file in Program Files directory 64 IoCs
Processes:
Ransomware.CoronaVirus.exedescription ioc process File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.XboxGamingOverlay_2.34.28001.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\GameBar_SplashScreen.scale-125.png Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Assets\JumpListNewNote.png Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\Assets\Folder.png Ransomware.CoronaVirus.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp5-pl.xrm-ms.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000042\catalog.json.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Assets\contrast-black\OrientationControlMiddleCircleHover.png Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\ind_prog.gif Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\desktop.js.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\lcms.md.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\tr\UIAutomationTypes.resources.dll Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraAppList.contrast-black_targetsize-24.png Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\video_chroma\libgrey_yuv_plugin.dll Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\s_gridview_selected-hover.svg.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\core\dev\nls\sk-sk\ui-strings.js Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\AppCommon.Thumbnails.dll Ransomware.CoronaVirus.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\WacLangPack2019Eula.txt.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_MAK_AE-ppd.xrm-ms.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxMailAppList.targetsize-256.png Ransomware.CoronaVirus.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_KMS_Automation-ul-oob.xrm-ms.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\msvcp120.dll.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\pt-BR\System.Windows.Controls.Ribbon.resources.dll.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\createpdfupsell-app\js\nls\es-es\ui-strings.js.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\img\sample-thumb.png.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\ja-JP\TipRes.dll.mui Ransomware.CoronaVirus.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.scale-140.png.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\Assets\AppList.targetsize-40_altform-unplated.png Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\editpdf\js\nls\sv-se\ui-strings.js.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\images\themeless\Playstore\iw_get.svg.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\UCRTBASE.DLL.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File created C:\Program Files\Microsoft Office\root\Office16\ChakraCore.Debugger.dll.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OFFSYMXL.TTF Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Search.api.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Franklin Gothic.xml.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\cs\System.Windows.Forms.Design.resources.dll.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\Assets\contrast-white\PeopleAppList.targetsize-256_altform-lightunplated.png Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderAppList.targetsize-72_altform-lightunplated.png Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\VideoPreview.xbf Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Numerics.Vectors.dll.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\ja\ReachFramework.resources.dll Ransomware.CoronaVirus.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Retail-ul-oob.xrm-ms.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\outicon.exe.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\Workflow.VisualBasic.Targets Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.183.29\msedgeupdateres_en-GB.dll.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\vstoee.dll.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\ko\System.Windows.Input.Manipulations.resources.dll Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\css\main.css.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\file_types\themes\dark\s_agreement_filetype.svg.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-locale-l1-1-0.dll.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\XLLEX.DLL.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\System.Web.Mvc.dll Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\js\nls\hu-hu\ui-strings.js.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\unified-share\images\themes\dark\SearchEmail.png Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SyncFusion.Grid.Grouping.Base.dll Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\ResiliencyLinks\Trust Protection Lists\Mu\Analytics.DATA.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\tr\System.Windows.Forms.Primitives.resources.dll Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-bridge-office.xrm-ms Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderAppList.contrast-white_targetsize-48_altform-unplated.png Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\js\nls\en-ae\ui-strings.js.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Layout.dll Ransomware.CoronaVirus.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\NAME.DLL.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\MLModels\autofill_labeling_email.ort Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.183.29\msedgeupdateres_ru.dll.id-4D0CCC78.[coronavirus@qq.com].ncov Ransomware.CoronaVirus.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Interacts with shadow copies 2 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exevssadmin.exepid process 6924 vssadmin.exe 7392 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
Ransomware.CoronaVirus.exepid process 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe 4084 Ransomware.CoronaVirus.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
vssvc.exedescription pid process Token: SeBackupPrivilege 7508 vssvc.exe Token: SeRestorePrivilege 7508 vssvc.exe Token: SeAuditPrivilege 7508 vssvc.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
Ransomware.CoronaVirus.execmd.execmd.exedescription pid process target process PID 4084 wrote to memory of 4988 4084 Ransomware.CoronaVirus.exe cmd.exe PID 4084 wrote to memory of 4988 4084 Ransomware.CoronaVirus.exe cmd.exe PID 4988 wrote to memory of 5828 4988 cmd.exe mode.com PID 4988 wrote to memory of 5828 4988 cmd.exe mode.com PID 4988 wrote to memory of 6924 4988 cmd.exe vssadmin.exe PID 4988 wrote to memory of 6924 4988 cmd.exe vssadmin.exe PID 4084 wrote to memory of 13452 4084 Ransomware.CoronaVirus.exe cmd.exe PID 4084 wrote to memory of 13452 4084 Ransomware.CoronaVirus.exe cmd.exe PID 4084 wrote to memory of 2224 4084 Ransomware.CoronaVirus.exe mshta.exe PID 4084 wrote to memory of 2224 4084 Ransomware.CoronaVirus.exe mshta.exe PID 4084 wrote to memory of 1688 4084 Ransomware.CoronaVirus.exe mshta.exe PID 4084 wrote to memory of 1688 4084 Ransomware.CoronaVirus.exe mshta.exe PID 13452 wrote to memory of 4492 13452 cmd.exe mode.com PID 13452 wrote to memory of 4492 13452 cmd.exe mode.com PID 13452 wrote to memory of 7392 13452 cmd.exe vssadmin.exe PID 13452 wrote to memory of 7392 13452 cmd.exe vssadmin.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\Ransomware.CoronaVirus.exe"C:\Users\Admin\AppData\Local\Temp\Ransomware.CoronaVirus.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\mode.commode con cp select=12513⤵
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\mode.commode con cp select=12513⤵
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\System32\mshta.exe"C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"2⤵
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C:\Windows\System32\mshta.exe"C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"2⤵
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe.id-4D0CCC78.[coronavirus@qq.com].ncovMD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.htaFilesize
13KB
MD590f92945850a575cfc9a0d86f1e1d317
SHA1c0247886e25fd5731efead07c6db68f84fc72e35
SHA256cc141c4d365a07fbe257524f0d627a8e99c3275f81e3c520b169c41a70416717
SHA5128b94bef0b9140b756109fa30ff257ce4a5e4f2e1c705e1c13a05b0de6958ad2ab2490879cf2dfb39547215fe60b1e266cf24736b8a7efdea34f5f1404deff32b
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memory/4084-0-0x0000000000400000-0x000000000056F000-memory.dmpFilesize
1.4MB
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memory/4084-1-0x000000000ADC0000-0x000000000ADF4000-memory.dmpFilesize
208KB
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memory/4084-2-0x0000000000400000-0x000000000056F000-memory.dmpFilesize
1.4MB
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memory/4084-3331-0x0000000000400000-0x000000000056F000-memory.dmpFilesize
1.4MB
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memory/4084-14378-0x000000000ADC0000-0x000000000ADF4000-memory.dmpFilesize
208KB
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memory/7392-23836-0x00007FFA890E0000-0x00007FFA8918C000-memory.dmpFilesize
688KB