Analysis
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max time kernel
60s -
max time network
23s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
14-01-2024 20:06
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Ransomware.CoronaVirus.exe
Resource
win7-20231215-en
windows7-x64
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
Ransomware.CoronaVirus.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
16 signatures
150 seconds
General
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Target
Ransomware.CoronaVirus.exe
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Size
1.0MB
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MD5
055d1462f66a350d9886542d4d79bc2b
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SHA1
f1086d2f667d807dbb1aa362a7a809ea119f2565
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SHA256
dddf7894b2e6aafa1903384759d68455c3a4a8348a7e2da3bd272555eba9bec0
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SHA512
2c5e570226252bdb2104c90d5b75f11493af8ed1be8cb0fd14e3f324311a82138753064731b80ce8e8b120b3fe7009b21a50e9f4583d534080e28ab84b83fee1
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SSDEEP
24576:FRYz/ERA0eMuWfHvgPw/83JI8CorP9qY0:FE/yADMuYvgP93JIc2
Score
10/10
Malware Config
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 (251) 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
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Ransomware.CoronaVirus.exe 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 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ransomware.CoronaVirus.exe = "C:\\Windows\\System32\\Ransomware.CoronaVirus.exe" Ransomware.CoronaVirus.exe -
Drops desktop.ini file(s) 14 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Games\FreeCell\desktop.ini Ransomware.CoronaVirus.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-1603059206-2004189698-4139800220-1000\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Microsoft Games\Chess\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Microsoft Games\Purble Place\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Microsoft Games\SpiderSolitaire\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\$Recycle.Bin\S-1-5-21-1603059206-2004189698-4139800220-1000\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Microsoft Games\Solitaire\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Stationery\Desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\DataServices\DESKTOP.INI Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Microsoft Games\Mahjong\desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Desktop.ini Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Microsoft Games\Hearts\desktop.ini Ransomware.CoronaVirus.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\System32\Ransomware.CoronaVirus.exe Ransomware.CoronaVirus.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-host_zh_CN.jar.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Google\Update\1.3.36.151\goopdateres_fr.dll.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\README.txt.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO00704_.WMF Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO00768_.WMF.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO00828_.WMF.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File created C:\Program Files\Java\jre7\lib\jsse.jar.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OneNote\SendToOneNoteNames.gpd.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\ERROR.GIF.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0086432.WMF.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\DVD Maker\audiodepthconverter.ax Ransomware.CoronaVirus.exe File created C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File created C:\Program Files\Java\jre7\lib\zi\America\Santo_Domingo.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\video_output\libdrawable_plugin.dll.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Microsoft Office\Office14\MLCFG32.CPL.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\TravelIntroToMain_PAL.wmv Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\IN00177_.WMF.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0382938.JPG.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0199036.WMF.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VBA\VBA7\1033\VBE7INTL.DLL.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Bibliography\Style\GostTitle.XSL.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\bin\jaas_nt.dll.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\bin\WindowsAccessBridge-64.dll.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO00910_.WMF.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-core-kit_zh_CN.jar Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Microsoft Games\Multiplayer\Checkers\it-IT\chkrzm.exe.mui Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\7-Zip\Lang\ne.txt.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OneNote\SendToOneNoteUI.dll.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTA\Pipeline.v10.0\Contracts\Microsoft.VisualStudio.Tools.Office.Contract.v9.0.dll.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0144773.JPG.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.dll.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBFTSCM\SCHEME54.CSS.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Microsoft Office\Office14\OMSXP32.DLL.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0234131.WMF.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File created C:\Program Files\VideoLAN\VLC\lua\meta\reader\filename.luac.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Microsoft Games\FreeCell\es-ES\FreeCell.exe.mui.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Cancun.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Microsoft Games\Multiplayer\Backgammon\de-DE\bckgzm.exe.mui Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Asia\Qatar.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\AUTOSHAP\BD18185_.WMF.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Google\Update\Install\{F2D1DCEA-3974-4AE2-AC88-A893D86175E3}\chrome_installer.exe.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\AG00021_.GIF.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Curacao Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0105288.WMF.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File created C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\en-US.pak.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Etc\GMT-12.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PH02757U.BMP Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\LINES\BD21512_.GIF.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\3082\MSO.ACL.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\DISTLSTL.ICO.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.launcher.win32.win32.x86_64_1.1.200.v20141007-2033\eclipse_1655.dll.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Etc\GMT+8.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\ink\mshwjpn.dll Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\FORM98.POC.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0105288.WMF Ransomware.CoronaVirus.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-selector-api_ja.jar.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msadco.dll Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\RECS.ICO Ransomware.CoronaVirus.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\DataListIconImages.jpg.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.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\META-INF\ECLIPSE_.RSA.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\COMPASS\COMPASS.INF.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\ZPDIR42F.GIF.id-A3335A75.[[email protected]].ncov Ransomware.CoronaVirus.exe -
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2816 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe 1684 Ransomware.CoronaVirus.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 1652 vssvc.exe Token: SeRestorePrivilege 1652 vssvc.exe Token: SeAuditPrivilege 1652 vssvc.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1684 wrote to memory of 2056 1684 Ransomware.CoronaVirus.exe 28 PID 1684 wrote to memory of 2056 1684 Ransomware.CoronaVirus.exe 28 PID 1684 wrote to memory of 2056 1684 Ransomware.CoronaVirus.exe 28 PID 1684 wrote to memory of 2056 1684 Ransomware.CoronaVirus.exe 28 PID 2056 wrote to memory of 2752 2056 cmd.exe 30 PID 2056 wrote to memory of 2752 2056 cmd.exe 30 PID 2056 wrote to memory of 2752 2056 cmd.exe 30 PID 2056 wrote to memory of 2816 2056 cmd.exe 31 PID 2056 wrote to memory of 2816 2056 cmd.exe 31 PID 2056 wrote to memory of 2816 2056 cmd.exe 31 -
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⤵
- 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
PID:1684 -
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2056 -
C:\Windows\system32\mode.commode con cp select=12513⤵PID:2752
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:2816
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1652
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\osetup.dll.id-A3335A75.[[email protected]].ncov
Filesize2.3MB
MD507b99e0b5de7f2efc75c54e62216b84b
SHA1da61b13801dd971ed48cc2bed9376dffcf32abad
SHA25616327d245676ec935f168ff6340d0f568bb4289a6888fdcf7035bae87ffe78ef
SHA5125e8010e8c5cf0cc07e081421919cc6380a6760383685b2edaa8948ef2d07787e3d08f1c86a91c26f85a2055fb9af0a42c37f2fb9f1c4f70a7188fe1d49414d2c