Analysis
- max time kernel
131s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
10/06/2024, 11:37
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe
Resource
win10v2004-20240508-en
General
- Target VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe
- Size 368KB
- Sample240610-nrj3pshd2v
- SHA256 d3f5990770291c25a4ff14e8a6fe033f7ad1689c6206ed41eb7ed253a1c2c348
- MD5 5885d072fb73bdd355e85b67bcde3bfd
- SHA1 538b93b18131e4d9de79f87f6b156c2d46895045
- SHA512 7da4dbbb0c98cd2ad56ffe28a23ed67e66583a0822e0e16aadfa102447d7a22acbd9e526fc9a9ee3ecae68389b02e12347182a64829cd762559ed083ee94882e
- SSDEEP 6144:iQNUdPR6oncUtPLJoJi8ju8FQNXsyR36GeHba2grj9F4SENppTUHtnvR3aF3J9PQ:XNUdc6wA8P2cyF6T7a2gH9F4dzhUl6rP
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
C:\Program Files\7-Zip\Lang\Recovery+mmplo.txt
- __!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#! NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files were protected by a strong encryption with RSA-4096. More information about the encryption keys using RSA-4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA-4096 KEY, both public and private. !!! ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. !!! Decrypting of your files is only possible with the help of the private key and decrypt program , which is on our Secret Server What do I do ? So, there are two ways you can choose: wait for a miracle and get your price doubled, or start obtaining BITCOIN NOW! , and restore your data easy way. If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment. For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1. http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/C7FAFF798E63542 2. http://b4youfred5485jgsa3453f.italazudda.com/C7FAFF798E63542 3. http://5rport45vcdef345adfkksawe.bematvocal.at/C7FAFF798E63542 If for some reasons the addresses are not available, follow these steps: 1. Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2. After a successful installation, run the browser and wait for initialization 3. Type in the address bar: fwgrhsao3aoml7ej.onion/C7FAFF798E63542 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/C7FAFF798E63542 http://b4youfred5485jgsa3453f.italazudda.com/C7FAFF798E63542 http://5rport45vcdef345adfkksawe.bematvocal.at/C7FAFF798E63542 *-*-* Your personal page Tor-Browser: fwgrhsao3aoml7ej.ONION/C7FAFF798E63542 *-*-* Your personal identification ID: C7FAFF798E63542
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http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/C7FAFF798E63542
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http://b4youfred5485jgsa3453f.italazudda.com/C7FAFF798E63542
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http://5rport45vcdef345adfkksawe.bematvocal.at/C7FAFF798E63542
-
http://fwgrhsao3aoml7ej.onion/C7FAFF798E63542
-
http://fwgrhsao3aoml7ej.ONION/C7FAFF798E63542
Signatures
- Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
- Renames multiple (886) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation rdhxrehcgmur.exe Key value queried \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe - Drops startup file 6 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Recovery+mmplo.txt rdhxrehcgmur.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Recovery+mmplo.html rdhxrehcgmur.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\Recovery+mmplo.png rdhxrehcgmur.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\Recovery+mmplo.txt rdhxrehcgmur.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\Recovery+mmplo.html rdhxrehcgmur.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Recovery+mmplo.png rdhxrehcgmur.exe - Executes dropped EXE 2 IoCs
pid Process 1608 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\orefqwbbknop = "C:\\Windows\\system32\\cmd.exe /c start \"\" \"C:\\Windows\\rdhxrehcgmur.exe\"" rdhxrehcgmur.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1300 set thread context of 3412 1300 VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe 102 PID 1608 set thread context of 3104 1608 rdhxrehcgmur.exe 106 - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\AppxMetadata\Recovery+mmplo.png rdhxrehcgmur.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\ca@valencia\Recovery+mmplo.html rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Car\LTR\contrast-black\Recovery+mmplo.txt rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-white\MapsAppList.targetsize-20.png rdhxrehcgmur.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\STARTUP\Recovery+mmplo.txt rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-16_contrast-white.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftEdge.Stable_124.0.2478.80_neutral__8wekyb3d8bbwe\Recovery+mmplo.html rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\contrast-black\WideTile.scale-100_contrast-black.png rdhxrehcgmur.exe File opened for modification C:\Program Files\7-Zip\Recovery+mmplo.txt rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Assets\AlarmsAppList.contrast-black_scale-200.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\CalculatorSplashScreen.contrast-black_scale-100.png rdhxrehcgmur.exe File opened for modification C:\Program Files\Common Files\Recovery+mmplo.txt rdhxrehcgmur.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-black_scale-140.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsSoundRecorder_10.1906.1972.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\VoiceRecorderSmallTile.contrast-white_scale-125.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.UI.Xaml.2.0_2.1810.18004.0_x64__8wekyb3d8bbwe\Microsoft.UI.Xaml\Assets\Recovery+mmplo.html rdhxrehcgmur.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\management\Recovery+mmplo.html rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsStore_11910.1002.5.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\StoreWideTile.scale-100.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_2019.729.2301.0_neutral_~_8wekyb3d8bbwe\Recovery+mmplo.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_2019.1111.2029.0_neutral_~_8wekyb3d8bbwe\microsoft.system.package.metadata\Recovery+mmplo.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\Assets\GamesXboxHubStoreLogo.scale-100_contrast-white.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\Assets\contrast-black\Recovery+mmplo.txt rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsPowerShell\Modules\Microsoft.PowerShell.Operation.Validation\1.0.1\Test\Modules\Example3.Diagnostics\2.0.1\Recovery+mmplo.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Assets\Images\contrast-white\Settings.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppPackageStoreLogo.scale-150_contrast-black.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\contrast-white\Recovery+mmplo.txt rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Assets\contrast-black\OrientationControlMiddleCircleHover.png rdhxrehcgmur.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\Recovery+mmplo.html rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraAppList.targetsize-64_altform-lightunplated.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Work\LTR\contrast-black\LargeTile.scale-200.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Assets\Viewpoints\Dark\IsoLeft.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNoteSectionWideTile.scale-150.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsPowerShell\Modules\Pester\3.4.0\Examples\Calculator\Recovery+mmplo.png rdhxrehcgmur.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\nl-NL\Recovery+mmplo.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Home\RTL\contrast-white\WideTile.scale-125.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsSoundRecorder_10.1906.1972.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\Recovery+mmplo.html rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraAppList.contrast-white_targetsize-20.png rdhxrehcgmur.exe File opened for modification C:\Program Files\Windows Defender\es-ES\Recovery+mmplo.html rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\LargeTile.scale-400.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\ro-RO\View3d\Recovery+mmplo.html rdhxrehcgmur.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\ps\LC_MESSAGES\Recovery+mmplo.html rdhxrehcgmur.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\css\ui-lightness\images\ui-bg_diagonals-thick_18_b81900_40x40.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxMailAppList.targetsize-16.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\Microsoft.Membership.MeControl\Assets\OfflinePages\Scripts\Recovery+mmplo.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\contrast-black\SmallTile.scale-125_contrast-black.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AlarmsSplashScreen.contrast-white_scale-100.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\GenericMailWideTile.scale-400.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\Recovery+mmplo.html rdhxrehcgmur.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\Recovery+mmplo.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsSoundRecorder_10.1906.1972.0_neutral_split.scale-200_8wekyb3d8bbwe\Recovery+mmplo.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppPackageBadgeLogo.scale-400_contrast-white.png rdhxrehcgmur.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\gui\Recovery+mmplo.html rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxA-Advanced-Light.scale-200.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\en-GB\Recovery+mmplo.txt rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\zh-TW\View3d\Recovery+mmplo.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\contrast-black\Recovery+mmplo.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Place\RTL\contrast-white\WideTile.scale-125.png rdhxrehcgmur.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\WidevineCdm\_platform_specific\Recovery+mmplo.html rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\Assets\contrast-black\PeopleAppList.targetsize-16.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxCalendarAppList.targetsize-96_altform-unplated.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\ReactAssets\assets\RNApp\app\uwp\images\web_edge_permissions.png rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\Fonts\Recovery+mmplo.html rdhxrehcgmur.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.513.0_neutral_~_8wekyb3d8bbwe\Recovery+mmplo.txt rdhxrehcgmur.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\LAYERS\Recovery+mmplo.html rdhxrehcgmur.exe File opened for modification C:\Program Files\Microsoft Office\Updates\Download\PackageFiles\6839F048-046C-448E-A7D4-484986338EB4\root\vfs\Windows\assembly\Recovery+mmplo.html rdhxrehcgmur.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rdhxrehcgmur.exe VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe File created C:\Windows\rdhxrehcgmur.exe VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\Local Settings rdhxrehcgmur.exe - Opens file in notepad (likely ransom note) 1 IoCs
pid Process 3552 NOTEPAD.EXE - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe 3104 rdhxrehcgmur.exe - Suspicious use of AdjustPrivilegeToken 47 IoCs
description pid Process Token: SeDebugPrivilege 3412 VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe Token: SeDebugPrivilege 3104 rdhxrehcgmur.exe Token: SeIncreaseQuotaPrivilege 932 WMIC.exe Token: SeSecurityPrivilege 932 WMIC.exe Token: SeTakeOwnershipPrivilege 932 WMIC.exe Token: SeLoadDriverPrivilege 932 WMIC.exe Token: SeSystemProfilePrivilege 932 WMIC.exe Token: SeSystemtimePrivilege 932 WMIC.exe Token: SeProfSingleProcessPrivilege 932 WMIC.exe Token: SeIncBasePriorityPrivilege 932 WMIC.exe Token: SeCreatePagefilePrivilege 932 WMIC.exe Token: SeBackupPrivilege 932 WMIC.exe Token: SeRestorePrivilege 932 WMIC.exe Token: SeShutdownPrivilege 932 WMIC.exe Token: SeDebugPrivilege 932 WMIC.exe Token: SeSystemEnvironmentPrivilege 932 WMIC.exe Token: SeRemoteShutdownPrivilege 932 WMIC.exe Token: SeUndockPrivilege 932 WMIC.exe Token: SeManageVolumePrivilege 932 WMIC.exe Token: 33 932 WMIC.exe Token: 34 932 WMIC.exe Token: 35 932 WMIC.exe Token: 36 932 WMIC.exe Token: SeIncreaseQuotaPrivilege 932 WMIC.exe Token: SeSecurityPrivilege 932 WMIC.exe Token: SeTakeOwnershipPrivilege 932 WMIC.exe Token: SeLoadDriverPrivilege 932 WMIC.exe Token: SeSystemProfilePrivilege 932 WMIC.exe Token: SeSystemtimePrivilege 932 WMIC.exe Token: SeProfSingleProcessPrivilege 932 WMIC.exe Token: SeIncBasePriorityPrivilege 932 WMIC.exe Token: SeCreatePagefilePrivilege 932 WMIC.exe Token: SeBackupPrivilege 932 WMIC.exe Token: SeRestorePrivilege 932 WMIC.exe Token: SeShutdownPrivilege 932 WMIC.exe Token: SeDebugPrivilege 932 WMIC.exe Token: SeSystemEnvironmentPrivilege 932 WMIC.exe Token: SeRemoteShutdownPrivilege 932 WMIC.exe Token: SeUndockPrivilege 932 WMIC.exe Token: SeManageVolumePrivilege 932 WMIC.exe Token: 33 932 WMIC.exe Token: 34 932 WMIC.exe Token: 35 932 WMIC.exe Token: 36 932 WMIC.exe Token: SeBackupPrivilege 2080 vssvc.exe Token: SeRestorePrivilege 2080 vssvc.exe Token: SeAuditPrivilege 2080 vssvc.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1300 VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe 1608 rdhxrehcgmur.exe - Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1300 wrote to memory of 3412 1300 VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe 102 PID 1300 wrote to memory of 3412 1300 VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe 102 PID 1300 wrote to memory of 3412 1300 VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe 102 PID 1300 wrote to memory of 3412 1300 VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe 102 PID 1300 wrote to memory of 3412 1300 VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe 102 PID 1300 wrote to memory of 3412 1300 VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe 102 PID 1300 wrote to memory of 3412 1300 VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe 102 PID 1300 wrote to memory of 3412 1300 VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe 102 PID 1300 wrote to memory of 3412 1300 VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe 102 PID 1300 wrote to memory of 3412 1300 VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe 102 PID 3412 wrote to memory of 1608 3412 VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe 103 PID 3412 wrote to memory of 1608 3412 VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe 103 PID 3412 wrote to memory of 1608 3412 VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe 103 PID 3412 wrote to memory of 4316 3412 VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe 104 PID 3412 wrote to memory of 4316 3412 VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe 104 PID 3412 wrote to memory of 4316 3412 VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe 104 PID 1608 wrote to memory of 3104 1608 rdhxrehcgmur.exe 106 PID 1608 wrote to memory of 3104 1608 rdhxrehcgmur.exe 106 PID 1608 wrote to memory of 3104 1608 rdhxrehcgmur.exe 106 PID 1608 wrote to memory of 3104 1608 rdhxrehcgmur.exe 106 PID 1608 wrote to memory of 3104 1608 rdhxrehcgmur.exe 106 PID 1608 wrote to memory of 3104 1608 rdhxrehcgmur.exe 106 PID 1608 wrote to memory of 3104 1608 rdhxrehcgmur.exe 106 PID 1608 wrote to memory of 3104 1608 rdhxrehcgmur.exe 106 PID 1608 wrote to memory of 3104 1608 rdhxrehcgmur.exe 106 PID 1608 wrote to memory of 3104 1608 rdhxrehcgmur.exe 106 PID 3104 wrote to memory of 932 3104 rdhxrehcgmur.exe 107 PID 3104 wrote to memory of 932 3104 rdhxrehcgmur.exe 107 PID 3104 wrote to memory of 3552 3104 rdhxrehcgmur.exe 112 PID 3104 wrote to memory of 3552 3104 rdhxrehcgmur.exe 112 PID 3104 wrote to memory of 3552 3104 rdhxrehcgmur.exe 112 PID 3104 wrote to memory of 4664 3104 rdhxrehcgmur.exe 113 PID 3104 wrote to memory of 4664 3104 rdhxrehcgmur.exe 113 PID 3104 wrote to memory of 4812 3104 rdhxrehcgmur.exe 119 PID 3104 wrote to memory of 4812 3104 rdhxrehcgmur.exe 119 PID 3104 wrote to memory of 4812 3104 rdhxrehcgmur.exe 119 - System policy modification 1 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System rdhxrehcgmur.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1" rdhxrehcgmur.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\VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe"C:\Users\Admin\AppData\Local\Temp\VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1300 -
C:\Users\Admin\AppData\Local\Temp\VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe"C:\Users\Admin\AppData\Local\Temp\VirusShare_5885d072fb73bdd355e85b67bcde3bfd.exe"2⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3412 -
C:\Windows\rdhxrehcgmur.exeC:\Windows\rdhxrehcgmur.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1608 -
C:\Windows\rdhxrehcgmur.exeC:\Windows\rdhxrehcgmur.exe4⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3104 -
C:\Windows\System32\wbem\WMIC.exe"C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive5⤵
- Suspicious use of AdjustPrivilegeToken
PID:932
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C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\RECOVERY.TXT5⤵
- Opens file in notepad (likely ransom note)
PID:3552
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\Desktop\RECOVERY.HTM5⤵PID:4664
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c DEL C:\Windows\RDHXRE~1.EXE5⤵PID:4812
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\VIRUSS~1.EXE3⤵PID:4316
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4172,i,5047420736443372512,9747851268033796534,262144 --variations-seed-version --mojo-platform-channel-handle=4420 /prefetch:81⤵PID:2168
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2080
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --field-trial-handle=4352,i,5047420736443372512,9747851268033796534,262144 --variations-seed-version --mojo-platform-channel-handle=1304 /prefetch:11⤵PID:4328
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --field-trial-handle=4232,i,5047420736443372512,9747851268033796534,262144 --variations-seed-version --mojo-platform-channel-handle=5028 /prefetch:11⤵PID:400
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --field-trial-handle=5148,i,5047420736443372512,9747851268033796534,262144 --variations-seed-version --mojo-platform-channel-handle=5284 /prefetch:11⤵PID:3840
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=5292,i,5047420736443372512,9747851268033796534,262144 --variations-seed-version --mojo-platform-channel-handle=5420 /prefetch:81⤵PID:4676
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=entity_extraction_service.mojom.Extractor --lang=en-US --service-sandbox-type=entity_extraction --onnx-enabled-for-ee --no-appcompat-clear --field-trial-handle=5428,i,5047420736443372512,9747851268033796534,262144 --variations-seed-version --mojo-platform-channel-handle=5472 /prefetch:81⤵PID:1580
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=16 --field-trial-handle=5440,i,5047420736443372512,9747851268033796534,262144 --variations-seed-version --mojo-platform-channel-handle=5652 /prefetch:11⤵PID:4508
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\Lang\Recovery+mmplo.html
- Size 8KB
- SHA256 c2b446795448a82f0e046411668369658b29ea68444bd99cb62b20dd3cd07078
- MD5 8e23d91340947ae2f20bc538d8a0060d
- SHA1 df7ea948d9fc4ecaaa0a9982f2a4c05078ef6f58
- SHA512 82c64e09d031ec65706498675138b7a1f0502ac8050f3bcfbd90b8643f8d1ae3e143f4a948f977e0013ce765af1330b15b6198132257cd852cc20a08cc9dd9c5
- SSDEEP 96:Mm1Z8Dl1Z1IyEFeoEaB6XDWw9G/ro/ZPs+it1Ovgf16Hi+s69vlQvZ2/Wb50AEFr:Z4VoFp8XDWs0axi7ldyD9NQEW2YT6Xn
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\Lang\Recovery+mmplo.png
- Size 69KB
- SHA256 020d1c0bc64cb011ffa6b1c93ecf5826ab2b26a9034ce7ab2e20b12d253ef424
- MD5 a341eb945349143d438c2563f7aabcc9
- SHA1 34cb1e7dbafc2d99d43b51116c2ddcb2cbad327c
- SHA512 055da6dd100758b56ca5592859d27f0d74f0e6ee41d517324e8027aad998a0739f36a15804c09b39f77af5101044437b8e4230d24cbcc7104d46c0b39fce02a2
- SSDEEP 1536:qXb706EbbrHsxjsXgcCN7SEmFNHWjE3CVTY38G1puqw3Uc:q/xET3gcCNuEsUj3Vu1pML
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\Lang\Recovery+mmplo.txt
- Size 2KB
- SHA256 72735ebb3f35602d93747f68296bc7a19c27f01431148a797a090e326ee73f17
- MD5 cb49d07df9bd4f827e28fe88a1ada169
- SHA1 3430b7dc0d51e9ef227e0c29ae3d3b0ae20cbd65
- SHA512 4c553c15c90368ea3ef1f78723f8cb5b6aa73766bb4be0b9356d225d7e77047ea918a0cc3df377efece06569a7b83d12a186d205d5545b01599abe86732dac6f
- MD5 SHA1 SHA512
- Path C:\Program Files\Java\jre-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt
- Size 560B
- SHA256 a4e987215eab9d8e89ef61c6b3323be06acf63f430ff4579533606f9abea787a
- MD5 7e2714565b8cde030369c170231cca5f
- SHA1 272d6defe5202356c74c945931a4e365ddd7d00a
- SHA512 28883708388cdcf8094a97b98f2c4e66d72654e75b9ed319cdf7d93b60a3340e525f7c2f5aa220de6fe11067c7008f80c0213867c1b8e8784ac26d13bb654982
- MD5 SHA1 SHA512
- Path C:\Program Files\Java\jre-1.8\THIRDPARTYLICENSEREADME.txt
- Size 560B
- SHA256 abbdb5e9fa953cc8f812098a59aab65f7d1d6e9a4395f1e15f061f9925597fb5
- MD5 72cdb678fdfe0450bd2c462a816202ad
- SHA1 3d8924515fe4c8bcd950240bb3e8f65fb3a3f3c1
- SHA512 376775b3c695a318abbc5a0c1fda924628d56ca44dd16f434c3ad2bd460cdba1097da0b5246ee2bf4bfc2da7cf454a5e4cb9cef91ea41edef23e4045ca3e9d57
- MD5 SHA1 SHA512
- Path C:\Program Files\Microsoft Office\root\Office16\1033\ClientSub2019_eula.txt
- Size 416B
- SHA256 e1f15a04a0e835f299f41467a7e753f09fc9fe0aa4dce3b576a1f4688a4dd849
- MD5 b457a5c44cf94aedcfb44d563d06d694
- SHA1 86f4c3256f919515a176ad730b060a9f7449c088
- SHA512 db28230171576dc8ad73c3f6ab1747eceb4eb67f71c08ef4e8b9751d5ac1b7202f95fe6bfe290765e5ae0d6a760bba26d1926bc215a667c203a207a555c1d5b6
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133596449549740872.txt
- Size 75KB
- SHA256 963e81c1c6c586058acec11e3d4c7c69014983681a88792c54720b1d50fb5040
- MD5 5dbffbfe8227bd739fc8538d76c743d6
- SHA1 b54044cb6309930eaf824284cf172a72a9c02e1b
- SHA512 f8359a077492c449832489324db7fcf39714b650c0780c2b8b8f001440e59d06805d4fdf2c2551d44e228aa85e0b7ffdebe0cd7ad4e11cbc6cd676851ad97495
- SSDEEP 1536:gG1Sd9AtRNGDBEWFvTIe89U6RvRZsYIEdJYvzExRBHfdGHhKK1W:gGUdWfGDaWF7f6SYX3Sa8RI
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\rdhxrehcgmur.exe
- Size 368KB
- SHA256 d3f5990770291c25a4ff14e8a6fe033f7ad1689c6206ed41eb7ed253a1c2c348
- MD5 5885d072fb73bdd355e85b67bcde3bfd
- SHA1 538b93b18131e4d9de79f87f6b156c2d46895045
- SHA512 7da4dbbb0c98cd2ad56ffe28a23ed67e66583a0822e0e16aadfa102447d7a22acbd9e526fc9a9ee3ecae68389b02e12347182a64829cd762559ed083ee94882e
- SSDEEP 6144:iQNUdPR6oncUtPLJoJi8ju8FQNXsyR36GeHba2grj9F4SENppTUHtnvR3aF3J9PQ:XNUdc6wA8P2cyF6T7a2gH9F4dzhUl6rP
- MD5 SHA1 SHA512 SSDEEP