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Analysis
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max time kernel
120s -
max time network
93s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02/09/2024, 14:55
Behavioral task
behavioral1
Sample
779c75678a9e7eafdb8893fca11eb870N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
779c75678a9e7eafdb8893fca11eb870N.exe
Resource
win10v2004-20240802-en
General
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Target
779c75678a9e7eafdb8893fca11eb870N.exe
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Size
27KB
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MD5
779c75678a9e7eafdb8893fca11eb870
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SHA1
71c72ffe8454e49cba2ffba1ac0ce6dc357b1d0d
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SHA256
86e589fcebef31711c7dce1c9fadeac9646a7bd40ac2253b3fac2f8f3baf4fa1
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SHA512
427ee33a96ee7d5d5aeff57efd3ef81e61fff8137cf40d943eeadc68b45137c74950a490ccda43943d4cfdffb05c62c8126bf7e913d0f77a99e9f5dd5430cd72
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SSDEEP
768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9bJSsJSNOnOH:CTW7JJ7TFJSsJS1
Malware Config
Signatures
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Renames multiple (4685) 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/4936-0-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral2/files/0x0009000000023462-2.dat upx behavioral2/files/0x0004000000022933-6.dat upx behavioral2/memory/4936-1018-0x0000000000400000-0x000000000040A000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Microsoft Office\root\Office16\mip_telemetry.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\7-Zip\Lang\sv.txt.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\ReachFramework.resources.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Office16\excelcnvpxy.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_KMS_Client_AE-ppd.xrm-ms.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-ul-phn.xrm-ms.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\UIAutomationProvider.resources.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Extensions.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationCore.resources.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\icu.md.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Java\jre-1.8\bin\JAWTAccessBridge-64.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_ViewOnly_ZeroGrace-ul-oob.xrm-ms.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\offsymxb.ttf.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-environment-l1-1-0.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.WebProxy.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Resources.Reader.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Drawing.Common.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-ul-oob.xrm-ms.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ClientOSub_eula.txt.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.scale-140.png.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.Serialization.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Permissions.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\UIAutomationProvider.resources.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Office16\ExcelFloatieTextModel.bin.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Common Files\microsoft shared\ink\es-ES\TabTip.exe.mui.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Java\jre-1.8\lib\tzmappings.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-black_scale-140.png.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Common Files\System\msadc\msadco.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.CSharp.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\ReachFramework.resources.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntimeR_PrepidBypass-ppd.xrm-ms.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\sr-Cyrl-RS\msipc.dll.mui.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\InkObj.dll.mui.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationProvider.resources.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.IO.Packaging.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Java\jre-1.8\bin\jawt.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_MAK-pl.xrm-ms.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-black_scale-80.png.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\UIAutomationProvider.resources.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Xaml.resources.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Office16\MEDIA\SUCTION.WAV.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\clretwrc.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\WindowsBase.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\javafx\libffi.md.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\jpeg.md.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\offsymxl.ttf.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.scale-140.png.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\WindowsFormsIntegration.resources.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\WindowsFormsIntegration.resources.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Internet Explorer\ieinstal.exe.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-file-l1-2-0.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.Annotations.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Drawing.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Internet Explorer\en-US\iexplore.exe.mui.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail3-pl.xrm-ms.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ul-oob.xrm-ms.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\MSOSEC.XML.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\PresentationUI.resources.dll.tmp 779c75678a9e7eafdb8893fca11eb870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Retail-pl.xrm-ms.tmp 779c75678a9e7eafdb8893fca11eb870N.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 779c75678a9e7eafdb8893fca11eb870N.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD539803c24677875396590d397f3e0b040
SHA1fc3935616b9c444d3ffec6d41fe5231c80fc0f3c
SHA2564a8acfbe24562c9d1ae413d6c6a30c007e67c752bd598c9fa387b570db3a3ed2
SHA512d94be9e38450c5c1f83c1c60ed5222cb47db08ccb5c57cf7e2592b052c3655347e5988a87282907937954a57877f0c98f913deb12742c6217e1e63c85ca1c934
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Filesize
126KB
MD5c838fd44c68674f22fc7b6e44de37e7e
SHA1ac659019c76a45a93d66a10c6fae72f8d66b39cf
SHA256e494d973a2d74c9d37d124e543ad98d0f387bac04cc396c75c0333281eee9f13
SHA5129b25e561b06f3c92a65f269a3f44b1040108270789e007dc9af4a07ebb38f122e4d1a65377330d9c84ebcd222f64b6346dc61841dab3dfec2819bcc3e8333dae