Analysis
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max time kernel
150s -
max time network
154s -
platform
windows11-21h2_x64 -
resource
win11-20231215-en -
resource tags
arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system -
submitted
21-01-2024 14:53
Behavioral task
behavioral1
Sample
Trigona.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
Trigona.exe
Resource
win10-20231215-en
Behavioral task
behavioral3
Sample
Trigona.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral4
Sample
Trigona.exe
Resource
win11-20231215-en
General
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Target
Trigona.exe
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Size
1.1MB
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MD5
2c31a750240788f924ef64a2fb4fdf3b
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SHA1
c9c6a7f911d16b49d8b838dca3683357b72c9d6d
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SHA256
b49bf3a4baf637e067a8db7360051eba39713b7958519b49f8e236b6014c8477
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SHA512
1e36c96110b793bfea2e65f6ff4c0e59a0a6b8f86395d7be6497be264954ab9b7c61d0adfa85dcef5ce69afe4b200b3ece82cbf089264f7d648eaaa53acbd50d
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SSDEEP
12288:XRYqX7pdDWExBDmkYhiPJSA0IqOO2vBwRns2MqnuY/gtTyb7:hY6frxBDmkY+Jr0Iql2v4sx+uxtTyn
Malware Config
Signatures
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Detects Trigona ransomware 12 IoCs
Processes:
resource yara_rule behavioral4/memory/2008-0-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral4/memory/2008-1-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral4/memory/2008-2-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral4/memory/2008-4-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral4/memory/2008-13-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral4/memory/2008-970-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral4/memory/2008-11552-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral4/memory/2008-17244-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral4/memory/2008-19295-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral4/memory/2008-19296-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral4/memory/2008-19297-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona behavioral4/memory/2008-19298-0x0000000000400000-0x0000000000526000-memory.dmp family_trigona -
Trigona
A ransomware first seen at the beginning of the 2022.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Trigona.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-771046930-2949676035-3337286276-1000\Software\Microsoft\Windows\CurrentVersion\Run\D8C0AE6EA32F50D6E80AD7A689196385 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Trigona.exe" Trigona.exe -
Drops desktop.ini file(s) 4 IoCs
Processes:
Trigona.exedescription ioc process File opened for modification F:\$RECYCLE.BIN\S-1-5-21-771046930-2949676035-3337286276-1000\desktop.ini Trigona.exe File opened for modification \??\c:\$Recycle.Bin\S-1-5-21-771046930-2949676035-3337286276-1000\desktop.ini Trigona.exe File opened for modification \??\c:\Program Files\desktop.ini Trigona.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI Trigona.exe -
Drops file in Program Files directory 64 IoCs
Processes:
Trigona.exedescription ioc process File opened for modification \??\c:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-synch-l1-1-0.dll Trigona.exe File opened for modification \??\c:\Program Files\Java\jdk-1.8\jre\bin\wsdetect.dll Trigona.exe File created \??\c:\Program Files\WindowsApps\Microsoft.BingWeather_4.9.2002.0_neutral_~_8wekyb3d8bbwe\how_to_decrypt.hta Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\Microsoft.GetHelp_10.2008.32311.0_x64__8wekyb3d8bbwe\Assets\GetHelpAppList.targetsize-36_altform-unplated.png Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\Microsoft.Paint_10.2104.17.0_x64__8wekyb3d8bbwe\Assets\contrast-white\PaintAppList.targetsize-20_altform-unplated.png Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\Microsoft.Todos_0.33.33351.0_x64__8wekyb3d8bbwe\Assets\Square310x310Logo.scale-200.png Trigona.exe File opened for modification \??\c:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.IO.UnmanagedMemoryStream.dll Trigona.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_OEM_Perp-ul-phn.xrm-ms Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\Microsoft.GamingApp_2105.900.24.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\Xbox_WideTile.scale-125_contrast-black.png Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\Microsoft.People_10.1909.12456.0_x64__8wekyb3d8bbwe\Microsoft.People.Relevance.dll Trigona.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\api-ms-win-crt-string-l1-1-0.dll Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.DesktopAppInstaller_1.0.42251.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\contrast-black\AppPackageAppList.scale-125_contrast-black.png Trigona.exe File opened for modification \??\c:\Program Files\Common Files\microsoft shared\ink\ipshi.xml Trigona.exe File opened for modification \??\c:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Formats.Asn1.dll Trigona.exe File opened for modification \??\c:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\ru\PresentationUI.resources.dll Trigona.exe File opened for modification \??\c:\Program Files\Java\jre-1.8\bin\j2pkcs11.dll Trigona.exe File created \??\c:\Program Files\Microsoft Office\root\Integration\how_to_decrypt.hta Trigona.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Grace-ul-oob.xrm-ms Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.42251.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppPackageAppList.targetsize-40_altform-unplated_contrast-black.png Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\Microsoft.VCLibs.140.00_14.0.29231.0_x64__8wekyb3d8bbwe\vcruntime140_1_app.dll Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.41182.0_x64__8wekyb3d8bbwe\Assets\contrast-white\SmallTile.scale-400_contrast-white.png Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.2104.12721.0_x64__8wekyb3d8bbwe\System.Private.Uri.dll Trigona.exe File opened for modification \??\c:\Program Files\Java\jre-1.8\bin\nio.dll Trigona.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\DataModel\Microsoft.SqlServer.Configuration.SString.dll Trigona.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\ky\LC_MESSAGES\how_to_decrypt.hta Trigona.exe File created \??\c:\Program Files\VideoLAN\VLC\plugins\misc\how_to_decrypt.hta Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\Microsoft.BingWeather_1.0.6.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\contrast-white\WeatherMedTile.scale-100_contrast-white.png Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\Microsoft.GamingApp_2105.900.24.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\Xbox_MedTile.scale-100_contrast-black.png Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\Microsoft.PowerAutomateDesktop_1.0.65.0_x64__8wekyb3d8bbwe\uk-UA\PAD.Console.Host.resources.dll Trigona.exe File opened for modification \??\c:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\PresentationFramework-SystemData.dll Trigona.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ppd.xrm-ms Trigona.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\MSIPC\sr-Latn-RS\how_to_decrypt.hta Trigona.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\Microsoft.BingWeather_1.0.6.0_x64__8wekyb3d8bbwe\Assets\AppTiles\WeatherAppList.targetsize-48_altform-unplated.png Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_4.0.2.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\Icons\StickyNotesLargeTile.scale-125_altform-colorful_theme-light.png Trigona.exe File created \??\c:\Program Files\Common Files\System\Ole DB\en-US\how_to_decrypt.hta Trigona.exe File opened for modification \??\c:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\zh-Hans\System.Windows.Forms.Design.resources.dll Trigona.exe File opened for modification \??\c:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\System.Xml.Linq.dll Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\Microsoft.Getstarted_10.2.41172.0_x64__8wekyb3d8bbwe\Assets\TipsAppList.targetsize-24_altform-lightunplated.png Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\Microsoft.Getstarted_10.2.41172.0_x64__8wekyb3d8bbwe\Assets\TipsAppList.targetsize-40_altform-lightunplated_contrast-white.png Trigona.exe File opened for modification \??\c:\Program Files\Common Files\microsoft shared\VSTO\10.0\1033\VSTOLoaderUI.dll Trigona.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-ppd.xrm-ms Trigona.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Grace-ppd.xrm-ms Trigona.exe File created \??\c:\Program Files\WindowsApps\Microsoft.People_10.1909.12456.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\how_to_decrypt.hta Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\Microsoft.People_10.1909.12456.0_x64__8wekyb3d8bbwe\Assets\contrast-white\PeopleAppList.targetsize-80_altform-unplated.png Trigona.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\Access2019R_OEM_Perp-ul-oob.xrm-ms Trigona.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_MAK-ul-phn.xrm-ms Trigona.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART2.BDR Trigona.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\Library\Analysis\FUNCRES.XLAM Trigona.exe File created \??\c:\Program Files\VideoLAN\VLC\locale\mn\LC_MESSAGES\how_to_decrypt.hta Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsStore_12104.1001.1.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\AppTiles\StoreSplashScreen.scale-125_altform-colorful_theme-dark.png Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\Microsoft.PowerAutomateDesktop_1.0.65.0_x64__8wekyb3d8bbwe\Images\contrast-black\PowerAutomateSquare70x70Logo.scale-140.png Trigona.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL108.XML Trigona.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\Cartridges\sql90.xsl Trigona.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\api-ms-win-crt-math-l1-1-0.dll Trigona.exe File opened for modification \??\c:\Program Files\VideoLAN\VLC\plugins\video_filter\libinvert_plugin.dll Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\Microsoft.BingWeather_1.0.6.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\contrast-black\WeatherAppList.scale-100_contrast-black.png Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.2104.12721.0_x64__8wekyb3d8bbwe\LocalBridge.exe Trigona.exe File opened for modification \??\c:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\D3DCompiler_47_cor3.dll Trigona.exe File opened for modification \??\c:\Program Files\Internet Explorer\hmmapi.dll Trigona.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription3-ppd.xrm-ms Trigona.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_MAK_AE-ul-oob.xrm-ms Trigona.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected] Trigona.exe File opened for modification \??\c:\Program Files\WindowsApps\Microsoft.Todos_0.33.33351.0_x64__8wekyb3d8bbwe\Assets\Illustrations\icon2.scale-200_theme-dark.png Trigona.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD53004349f0806669706b4edac7d43c079
SHA145b597b2721c942c631413dcf793f3ca8dd734ce
SHA25665e7e3cc4ed18bacd12c4cf5da61e9e8933e734154dfb4125fd0198f187e4a4f
SHA5121b87b7df0109685db8c6a2b5995d7aa8bfd5e8b279dde066abd69a7031c577fd01001f27a4380a958ada993ea6ae71b75feb9044d0ec44a3cc7c85bf470624b6
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Filesize
11KB
MD5ca6e2244804ab875621cc834c0880122
SHA1d26a83202eaf44cc15d27b9778a73c51a619f3e2
SHA2569d0b06b8c31c6b2995b3dfe27a65b865d9b6949007abe5590ddf28d0bf44b703
SHA51267e077cc7f465cf7cedaa39331bfcfc38279a78e80c89edea3a14789a6cc2c90f45b75000ecd08fc7a712f665bc1798d6cac4d0c4c283bcd18499a306cc335d7