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Analysis
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max time kernel
120s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
13/09/2024, 10:02
Behavioral task
behavioral1
Sample
b92fcbce4796e61f6be95018e2956430N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b92fcbce4796e61f6be95018e2956430N.exe
Resource
win10v2004-20240802-en
General
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Target
b92fcbce4796e61f6be95018e2956430N.exe
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Size
18KB
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MD5
b92fcbce4796e61f6be95018e2956430
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SHA1
5c74a700e660648c36d2753e0ffbc09b70b5efd0
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SHA256
3620d9bfeb416ea0e32c691aa0d07d9df4b2c04338ef3ce6f2a95e8c8c901522
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SHA512
17d2339fa912748605678c6894843e8005dc064e28f1c133af3e7c21830e25e80b485073318f44e59d8a132e5dd17f29a2f9228d03ab2bd128d36c3328cfa5e1
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SSDEEP
384:QOlIBXDaU7CPKK0TIhfJJ1Evd5BvhzaMxGCFKn28XGCFKn28s:kBT37CPKKdJJ1EXBlGCeXGCes
Malware Config
Signatures
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Renames multiple (4665) 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/4440-0-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral2/files/0x000900000002342d-2.dat upx behavioral2/files/0x00040000000228de-6.dat upx behavioral2/memory/4440-851-0x0000000000400000-0x000000000040A000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Java\jre-1.8\legal\jdk\dynalink.md.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Tw Cen MT-Rockwell.xml.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Office16\AUDIOSEARCHSAPIFE.DLL.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.Xml.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ru.pak.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Common Files\System\ado\msadox.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\WindowsFormsIntegration.resources.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Java\jre-1.8\legal\javafx\libxml2.md.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial3-pl.xrm-ms.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.scale-180.png.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.kk-kz.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Common Files\System\ado\it-IT\msader15.dll.mui.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Java\jdk-1.8\legal\javafx\icu_web.md.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Grace-ppd.xrm-ms.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_MAKC2R-ul-oob.xrm-ms.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\1033\DSMESSAGES.XML.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Common Files\System\Ole DB\oledbjvs.inc.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Forms.Primitives.resources.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Drawing.Primitives.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Xaml.resources.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-interlocked-l1-1-0.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-ul-oob.xrm-ms.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\ISO690Nmerical.XSL.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Office16\MEDIA\WIND.WAV.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\7-Zip\Lang\af.txt.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\hostpolicy.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\UIAutomationTypes.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\plugin2\msvcp140.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Grace-ul-oob.xrm-ms.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsar.xml.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Xml.Linq.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\pt-BR\msipc.dll.mui.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_zh_HK.properties.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Xml.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\relaxngom.md.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe.manifest.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ul-phn.xrm-ms.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.OData.Core.NetFX35.V7.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Design.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Java\jre-1.8\bin\decora_sse.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_KMS_Client-ppd.xrm-ms.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_MAK_AE-pl.xrm-ms.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_MAKC2R-ppd.xrm-ms.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.scale-80.png.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Common Files\System\Ole DB\msdatl3.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\WindowsBase.resources.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\ssv.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Licenses\c2rpridslicensefiles_auto.xml.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ul-oob.xrm-ms.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.scale-180.png.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\7-Zip\Lang\tk.txt.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Input.Manipulations.resources.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\UIAutomationClientSideProviders.resources.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Java\jre-1.8\bin\server\classes.jsa.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Formatters.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.Uri.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\WindowsBase.resources.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Excel.Common.FrontEnd.XmlSerializers.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-white_scale-80.png.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-locale-l1-1-0.dll.tmp b92fcbce4796e61f6be95018e2956430N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ServiceModel.Web.dll.tmp b92fcbce4796e61f6be95018e2956430N.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 b92fcbce4796e61f6be95018e2956430N.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
18KB
MD5d2979790a15a21abc46cdc6f43472589
SHA17c9ca6224a0ee461b0cfc980946862f49317eb22
SHA2566de46ec6c476b41274e83002ca53bff937e91b4039ae6e4e32ec8b8c5e16a1a8
SHA5123190221e35fd85f43291a8eb0d376e80178f8944a0312c99b3436770d69d918fa549de64d3321fadadd8a3537c270551d4f0109f13c261c2f05e70204f8f237b
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Filesize
117KB
MD5563ee78b82a187dfb066fda42271df0e
SHA145593464cf9cb3d18ae951bf742167ba938a14d6
SHA25620c1c3eb94b79a2bd7b655b0e9d01e36ee9e39ffc50d965e31668259c24c65d6
SHA512c142212f21ac2141162868ad22bfc925fa49414f9886500fbf86e434b03eb44a3bc7292a7024dc0c62ee7849321e43998c137d6ab26f982062f681c561868e96