Analysis
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max time kernel
93s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
04/03/2025, 04:28
Behavioral task
behavioral1
Sample
2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral2
Sample
2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe
Resource
win10ltsc2021-20250218-en
General
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Target
2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe
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Size
300KB
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MD5
b032ecd86b56a0073d46319c04c22387
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SHA1
7dc793419d208948c9dec4e98b5613d92c11464c
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SHA256
923686c8d1c000dc4a3422918517528a42bbb9a342ccd99ce996f26f55611560
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SHA512
534a4585dcaffc7bae5708cf4a5406544339d29a06621ef2797035a00bd2ce6d9de47ea33da43402028aaaf084859ae607b7efaf692db160ad192b239511e7ae
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SSDEEP
3072:iQQhGI14gbuREdfLgAwV4OgSzBmh04eZFkz3Rr0gwGj9Tf81:iEI14YZLXMzzILGFkzhr0pGj9o1
Malware Config
Extracted
C:\Users\Admin\Desktop\readme-warning.txt
makop
Signatures
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Makop
Ransomware family discovered by @VK_Intel in early 2020.
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Makop family
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 4404 bcdedit.exe 4480 bcdedit.exe -
Renames multiple (12643) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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pid Process 4744 wbadmin.exe -
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 opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe -
Reads user/profile data of web browsers 3 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\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe\"" 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe -
Drops desktop.ini file(s) 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Public\Videos\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group2\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\$Recycle.Bin\S-1-5-21-2593460650-190333679-3676257533-1000\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group2\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Public\Pictures\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Application Shortcuts\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\Music\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\Documents\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Public\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Public\Downloads\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\Searches\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\3D Objects\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group3\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\Links\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\Videos\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Public\Music\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\System Tools\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Public\AccountPictures\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn2\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group3\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\ProgramData\Microsoft\Windows\Start Menu\Programs\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Public\Desktop\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Public\Documents\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2593460650-190333679-3676257533-1000\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn1\desktop.ini 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\F: 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe -
resource yara_rule behavioral1/memory/4436-0-0x0000000000400000-0x000000000044B000-memory.dmp upx behavioral1/memory/4436-7222-0x0000000000400000-0x000000000044B000-memory.dmp upx behavioral1/memory/5076-8139-0x0000000000400000-0x000000000044B000-memory.dmp upx behavioral1/memory/5076-18974-0x0000000000400000-0x000000000044B000-memory.dmp upx behavioral1/memory/4400-25440-0x0000000000400000-0x000000000044B000-memory.dmp upx behavioral1/memory/4400-25441-0x0000000000400000-0x000000000044B000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ja-jp.dll 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\Assets\InsiderHubAppList.targetsize-80_altform-unplated_contrast-white.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\ucrtbase.dll 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-ppd.xrm-ms 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Assets\AppTiles\WeatherIcons\30x30\9.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\System.Security.Claims.dll 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\Utils.CX.dll 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNoteMediumTile.scale-125.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\AppxManifest.xml 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\Assets\contrast-white\SmallTile.scale-125_contrast-white.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Assets\AppTiles\WeatherImages\423x173\75.jpg 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-40_altform-unplated_contrast-white.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Assets\PhotosLogoExtensions.targetsize-256.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppList.targetsize-30_altform-unplated_contrast-black.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\Common Files\System\ado\msado15.dll 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Assets\AlarmsAppList.contrast-black_targetsize-48.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxMailAppList.targetsize-40.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files (x86)\WindowsPowerShell\Modules\Pester\3.4.0\Functions\Assertions\Set-TestInconclusive.ps1 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-ppd.xrm-ms 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\stream_out\libstream_out_autodel_plugin.dll 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\Common Files\System\msadc\msadco.dll 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTest-ul-oob.xrm-ms 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-ppd.xrm-ms 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\ONINTL.DLL 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\spu\libmosaic_plugin.dll 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\signatures\js\nls\pl-pl\ui-strings.js 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.Primitives.dll 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sk.pak 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxCalendarAppList.targetsize-60_altform-unplated.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\libEGL.dll 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\images\Other-48.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-black\Weather_SplashScreen.scale-200.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Assets\AppTiles\Weather_LogoSmall.scale-200.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxMailAppList.scale-200.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Car\RTL\contrast-black\MedTile.scale-100.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Encoding.dll 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\WindowsBase.resources.dll 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Assets\Store\AppIcon.altform-unplated_targetsize-256.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNoteSplashLogo.scale-150.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\Assets\InsiderHubAppList.targetsize-72_altform-lightunplated.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\PRNDMediaSource.dll 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\microsoft.system.package.metadata\S-1-5-21-2593460650-190333679-3676257533-1000-MergedResources-0.pri 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\Common Files\System\msadc\es-ES\msaddsr.dll.mui 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\osfFPA\addins.xml 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\es\System.IdentityModel.Selectors.Resources.dll 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxMailAppList.targetsize-16_altform-unplated.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\js\nls\zh-cn\ui-strings.js 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.VisualBasic.dll 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\cmm\GRAY.pf 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\Windows Defender\es-ES\ProtectionManagement.dll.mui 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.targetsize-24_altform-unplated_contrast-white.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxA-GoogleCloudCacheMini.scale-200.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\digsig\js\nls\zh-cn\ui-strings.js 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\js\nls\zh-tw\ui-strings.js 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\onramp.dll 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial2-ul-oob.xrm-ms 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\EQUATION\concrt140.dll 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\AppxManifest.xml 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\Assets\GetStartedAppList.targetsize-24_altform-lightunplated.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxCalendarWideTile.scale-125.png 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\_Resources\13.rsrc 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\js\nls\zh-cn\ui-strings.js 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\js\nls\sl-si\ui-strings.js 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\jsaddins\locallaunch\locallaunchdlg.html 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 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 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language NOTEPAD.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe -
Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName vds.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName vds.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 4884 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000_Classes\Local Settings 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeBackupPrivilege 4508 vssvc.exe Token: SeRestorePrivilege 4508 vssvc.exe Token: SeAuditPrivilege 4508 vssvc.exe Token: SeIncreaseQuotaPrivilege 4028 WMIC.exe Token: SeSecurityPrivilege 4028 WMIC.exe Token: SeTakeOwnershipPrivilege 4028 WMIC.exe Token: SeLoadDriverPrivilege 4028 WMIC.exe Token: SeSystemProfilePrivilege 4028 WMIC.exe Token: SeSystemtimePrivilege 4028 WMIC.exe Token: SeProfSingleProcessPrivilege 4028 WMIC.exe Token: SeIncBasePriorityPrivilege 4028 WMIC.exe Token: SeCreatePagefilePrivilege 4028 WMIC.exe Token: SeBackupPrivilege 4028 WMIC.exe Token: SeRestorePrivilege 4028 WMIC.exe Token: SeShutdownPrivilege 4028 WMIC.exe Token: SeDebugPrivilege 4028 WMIC.exe Token: SeSystemEnvironmentPrivilege 4028 WMIC.exe Token: SeRemoteShutdownPrivilege 4028 WMIC.exe Token: SeUndockPrivilege 4028 WMIC.exe Token: SeManageVolumePrivilege 4028 WMIC.exe Token: 33 4028 WMIC.exe Token: 34 4028 WMIC.exe Token: 35 4028 WMIC.exe Token: 36 4028 WMIC.exe Token: SeIncreaseQuotaPrivilege 4028 WMIC.exe Token: SeSecurityPrivilege 4028 WMIC.exe Token: SeTakeOwnershipPrivilege 4028 WMIC.exe Token: SeLoadDriverPrivilege 4028 WMIC.exe Token: SeSystemProfilePrivilege 4028 WMIC.exe Token: SeSystemtimePrivilege 4028 WMIC.exe Token: SeProfSingleProcessPrivilege 4028 WMIC.exe Token: SeIncBasePriorityPrivilege 4028 WMIC.exe Token: SeCreatePagefilePrivilege 4028 WMIC.exe Token: SeBackupPrivilege 4028 WMIC.exe Token: SeRestorePrivilege 4028 WMIC.exe Token: SeShutdownPrivilege 4028 WMIC.exe Token: SeDebugPrivilege 4028 WMIC.exe Token: SeSystemEnvironmentPrivilege 4028 WMIC.exe Token: SeRemoteShutdownPrivilege 4028 WMIC.exe Token: SeUndockPrivilege 4028 WMIC.exe Token: SeManageVolumePrivilege 4028 WMIC.exe Token: 33 4028 WMIC.exe Token: 34 4028 WMIC.exe Token: 35 4028 WMIC.exe Token: 36 4028 WMIC.exe Token: SeBackupPrivilege 3516 wbengine.exe Token: SeRestorePrivilege 3516 wbengine.exe Token: SeSecurityPrivilege 3516 wbengine.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4436 wrote to memory of 1956 4436 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe 86 PID 4436 wrote to memory of 1956 4436 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe 86 PID 1956 wrote to memory of 4884 1956 cmd.exe 89 PID 1956 wrote to memory of 4884 1956 cmd.exe 89 PID 1956 wrote to memory of 4028 1956 cmd.exe 93 PID 1956 wrote to memory of 4028 1956 cmd.exe 93 PID 1956 wrote to memory of 4404 1956 cmd.exe 96 PID 1956 wrote to memory of 4404 1956 cmd.exe 96 PID 1956 wrote to memory of 4480 1956 cmd.exe 97 PID 1956 wrote to memory of 4480 1956 cmd.exe 97 PID 1956 wrote to memory of 4744 1956 cmd.exe 98 PID 1956 wrote to memory of 4744 1956 cmd.exe 98 PID 4436 wrote to memory of 2208 4436 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe 115 PID 4436 wrote to memory of 2208 4436 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe 115 PID 4436 wrote to memory of 2208 4436 2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe 115 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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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\2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Drops desktop.ini file(s)
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4436 -
C:\Users\Admin\AppData\Local\Temp\2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe" n44362⤵
- System Location Discovery: System Language Discovery
PID:5076
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:4884
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
PID:4028
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
PID:4404
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
PID:4480
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- Deletes backup catalog
PID:4744
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C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\readme-warning.txt2⤵
- System Location Discovery: System Language Discovery
PID:2208
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C:\Users\Admin\AppData\Local\Temp\2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe" n44362⤵
- System Location Discovery: System Language Discovery
PID:4400
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C:\Users\Admin\AppData\Local\Temp\2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-04_b032ecd86b56a0073d46319c04c22387_makop_ramnit.exe" n44362⤵
- System Location Discovery: System Language Discovery
PID:3492
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4508
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3516
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:2508
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:3520
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Modify Registry
1Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
356B
MD5643a266bdde006022b6c5a1308b47058
SHA16f12f7b3ebbb252997294f4a5d11e554cec4ae76
SHA2563858e2aa9386ecabf0bd95a648779c8bdeda08c4be346f8b4c4159d5007f92bb
SHA512fcbdd695304197c3d7a50ae51ae36b34f42c9ef9ac0b6cc24b6c7afd0e99233d092f1f5d5f7566bc70bd1d82b2c603a0d0cabc46dbe4969ffd68ffaa88608c05
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Filesize
356B
MD5bb68f1ad2133391da1d63b25f9c2a2d7
SHA1fb26fd9b7c6990ae133fe6502e890594ee2f1cf1
SHA256486eb5e0a8e7c036816055ec7ca7e1eedb3c22a498ae75f7d1b10c020aa08e32
SHA512b8465e90e99b3d33b1e1d45946f3a016c2adf3558c81d3136ea42397f78de20437dbb1da463eceb03b13ac219927a751b196f246cbf73473302bc2775e4633d3
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Filesize
580B
MD5681c4f83488e53ad29cab99299c22ccd
SHA1662526f5745dcc03aaa66bbf094ff1dba4bdb2d1
SHA256fa28f1f8203f9eb0dd5a917c8454d28ad6ebe7bb93663e4e679ac5265bdd943c
SHA512c55ef764ed1710d30b495489b8e9b3cc943cb7c809a90bec6582386c66d9b2b1f0cbe88ec6bc65f6aedc744b9cb1f3b8744de17caebbc65724c58ff433270169
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Filesize
1KB
MD53969a092772b5de3679972011f94f476
SHA18a807f322b60e2d4fadcb9383a38e2cf74932a29
SHA2561532252a2a8413b9c30c2a9f960b4f0504432233c040d6b5725cd4a04dcc5226
SHA5124d1c1eaa99718c9918c486d1b37c62ff43ab91ff13d5cfb29cc37d7a4e94eedec32e3e90d1e7cf1a4c3b09cd9bc8a079b74e811fa39a42483383b012c549f68b