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Analysis
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max time kernel
120s -
max time network
100s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04/09/2024, 12:52
Behavioral task
behavioral1
Sample
75b2717b798fa936f64b34dcd90ab180N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
75b2717b798fa936f64b34dcd90ab180N.exe
Resource
win10v2004-20240802-en
General
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Target
75b2717b798fa936f64b34dcd90ab180N.exe
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Size
41KB
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MD5
75b2717b798fa936f64b34dcd90ab180
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SHA1
c5dd0e3f294f764159da41b55ef5798efdd40359
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SHA256
bc42a08b81fdefada23fa327e3c601023d2010d280eba9f407885d9f8e65372c
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SHA512
19f5617d91a3f0b78eff54043b23235e276d129ab3c974314140ab5d3eeca5a24176c798c7204a044c617e4a0513ce9f6b7958e76c623819e998944c51a2ccd4
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SSDEEP
768:kBT37CPKKdJJ1EXBwzEXBwdcMcwBcCBcw/tio/ti/r0:CTW7JJ7TTQoQ/r0
Malware Config
Signatures
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Renames multiple (4690) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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resource yara_rule behavioral2/memory/3008-0-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral2/files/0x00090000000233f9-2.dat upx behavioral2/files/0x0004000000022933-6.dat upx behavioral2/memory/3008-913-0x0000000000400000-0x000000000040A000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Input.Manipulations.resources.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Grace-ul-oob.xrm-ms.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Grace-ul-oob.xrm-ms.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.OpenSsl.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Input.Manipulations.resources.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Forms.Design.resources.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-util-l1-1-0.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\joni.md.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Java\jre-1.8\lib\deploy.jar.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-ul-oob.xrm-ms.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Extensions.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Extensions.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\ReachFramework.resources.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Java\jre-1.8\bin\keytool.exe.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-ul-phn.xrm-ms.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTest-ul-oob.xrm-ms.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\auxpad.xml.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\Microsoft.VisualBasic.Forms.resources.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_LinkDrop32x32.gif.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-localization-l1-2-0.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest4-pl.xrm-ms.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.DocumentServices.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Common Files\microsoft shared\ink\th-TH\tipresx.dll.mui.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Input.Manipulations.resources.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Xaml.resources.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ms.pak.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Internet Explorer\ja-JP\iexplore.exe.mui.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.Reporting.Common.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Common Files\microsoft shared\ink\lv-LV\tipresx.dll.mui.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.NETCore.App.deps.json.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Principal.Windows.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_MAK-ppd.xrm-ms.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_MAK-ul-oob.xrm-ms.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Office16\ODBCTRAC.DLL.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Office16\officestoragehost.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\WindowsFormsIntegration.resources.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\jopt-simple.md.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-ul-phn.xrm-ms.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_MAK-ppd.xrm-ms.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_COL.HXT.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\mscordaccore.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.Watcher.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Grace-ppd.xrm-ms.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial-pl.xrm-ms.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\ReportingServicesNativeClient.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Office16\OFFSYML.TTF.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.da-dk.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Common Files\microsoft shared\ink\InkDiv.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-filesystem-l1-1-0.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-pl.xrm-ms.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Grace-ppd.xrm-ms.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-black_scale-140.png.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Redshift\lib\OpenSSL64.DllA\openssl64.dlla.manifest.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Common Files\microsoft shared\ink\en-US\InputPersonalization.exe.mui.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscordaccore.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Mail.dll.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\xmlresolver.md.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Grace-ul-oob.xrm-ms.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-pl.xrm-ms.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\7-Zip\Lang\sr-spc.txt.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Common Files\microsoft shared\ink\ja-JP\tipresx.dll.mui.tmp 75b2717b798fa936f64b34dcd90ab180N.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\cryptix.md.tmp 75b2717b798fa936f64b34dcd90ab180N.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 75b2717b798fa936f64b34dcd90ab180N.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
41KB
MD571199ce0524b6139a2094f72d8d3decd
SHA1660c7f1b9e08604c5d472b0d98e9fcaf5055f7f2
SHA2567e914758b319dbd47f80d221dd068699d17f3562d63971628c975667e612461e
SHA51247226a99460ade874ef2f20d8309b8a33f76b9385a438b12d0d8cd65704523c8bddf44724aead2b9c458dc1625b598ad67c879675f82192ce82e3d139b79de0d
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Filesize
140KB
MD528691c5c5f2a8de53e809a9db9c50af1
SHA113794f2eff8fddcb0076d2812135962611c806a3
SHA2565d5f66e19c575d492aac75117310661121674a10ac01ae6ba553af9fe027f64a
SHA512e8c3200603e0c626951d27ae29b8eb8dd70cfa011b70fcb0724f9b17cb739430cf7d38c9916c67e13a60ae3155d5c68f158deb02a7563595c4a747c67dd684c3