Analysis
- max time kernel
120s - max time network
104s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
19/10/2024, 16:42
Behavioral task
behavioral1
Sample
b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe
Resource
win7-20240903-en
windows7-x64
4 signatures
120 seconds
Behavioral task
behavioral2
Sample
b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
4 signatures
120 seconds
General
- Target b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe
- Size 88KB
- Sample241019-t7z2rawdka
- SHA256 b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10
- MD5 85615e8f040bcdebb61913a435db3900
- SHA1 8bcf30d927b6dd11ab14c8ed63d3476c5e5ff212
- SHA512 1f54cb5b1730e65e4343432d642824666ff1279b71519c875470667ddb3e2a332b823d17e5d71deb0f7d4f96519660fafc4fd6d6be7eb90ae13ae1d996c91222
- SSDEEP 1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxY5KwC:fnyiQSox5KwC
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (4320) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
resource yara_rule behavioral2/memory/1580-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000c000000023b1f-2.dat upx behavioral2/files/0x00040000000228f5-6.dat upx behavioral2/memory/1580-664-0x0000000000400000-0x000000000040B000-memory.dmp upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Controls.Ribbon.resources.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Java\jre-1.8\bin\server\classes.jsa.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_Subscription-ppd.xrm-ms.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTrial-pl.xrm-ms.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART3.BDR.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Resources.Reader.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Xaml.resources.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\PresentationCore.resources.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\ReachFramework.resources.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\deploy.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-processthreads-l1-1-1.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-runtime-l1-1-0.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-ul-oob.xrm-ms.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Forms.Primitives.resources.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\EXCELPLUGINCORE.DLL.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-stdio-l1-1-0.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Forms.resources.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.Win32.SystemEvents.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\giflib.md.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-localization-l1-2-0.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0016-0000-1000-0000000FF1CE.xml.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-ul-phn.xrm-ms.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.ReportingServices.Interfaces.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Memory.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.TypeExtensions.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Serialization.Json.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\PresentationUI.resources.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome.dll.sig.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Office.Interop.Excel.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.reportviewer.common.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Memory.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\ReachFramework.resources.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Blue.xml.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\nl.pak.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_ja.properties.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\joni.md.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O16EnterpriseVL_Bypass30-ppd.xrm-ms.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.WebProxy.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Cryptography.ProtectedData.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Forms.Primitives.resources.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest4-ul-oob.xrm-ms.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_OEM_Perp-ul-oob.xrm-ms.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Intrinsics.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationTypes.resources.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemDrawing.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\attach.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-ul-oob.xrm-ms.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_F_COL.HXK.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\otkloadr_x64.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\vccorlib140.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\bwnumbered.dotx.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-time-l1-1-0.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Common Files\System\msadc\fr-FR\msdaremr.dll.mui.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Forms.Primitives.resources.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy\splash_11-lic.gif.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Java\jre-1.8\lib\ext\localedata.jar.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\PROTOCOLHANDLERINTL.DLL.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\Microsoft.VisualBasic.Forms.resources.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationClientSideProviders.resources.dll.tmp b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe - System Location Discovery: System Language Discovery 1 TTPs 1 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 b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe"C:\Users\Admin\AppData\Local\Temp\b997b331b1e1ecd2b86e7f7c79f69707f53691be7f09bd8f67b1469e6f2ebf10N.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1580
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-3227495264-2217614367-4027411560-1000\desktop.ini.tmp
- Size 88KB
- SHA256 d088d71cd196523d9577dd807aa0c685d6157d745950e53d4732fd95d74af3c2
- MD5 813bc09e41005430ef17ff0f1fe61553
- SHA1 de9bcff9f4e6ec1c6a6fbddb66ecfea316309207
- SHA512 5d82b6e9a36b45c621ffe433f5c366e98d41146968f910331fc0ecc8bc22771602da47255ca8777c54f70f0a8bfc689b7d19c3fdba191cb16c41bf64d1ccd865
- SSDEEP 1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxY5Kw0:fnyiQSox5Kw0
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 187KB
- SHA256 4a7eba63f135e24a2eacf1950b9f4c3312b5d703707cbc46f0c9c4a862244363
- MD5 4daa9ca20fb9a197e93717df77adb97f
- SHA1 cd28dd90cfdcc4dd6d9b1b766b27cc80b2d62188
- SHA512 d4c09fd90fbc66b7ec725fc980a8b822ece99d0b9c83e9b0458e42c8921f55514520ffd7ab819eb3dd3bffd343aa07600e9f691c299241efb9cb835f3b7331e8
- SSDEEP 3072:fnyiQSox5KwdWHIjN3tj6qnv0b2UrXkbvLa:KiQSox5KwaIjNDv0bNXkbvLa
- MD5 SHA1 SHA512 SSDEEP