Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
11-06-2024 01:29
Static task
static1
Behavioral task
behavioral1
Sample
a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe
Resource
win10v2004-20240426-en
General
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Target
a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe
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Size
77KB
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MD5
d8b97b318f9aa1bd5205d796903b0e47
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SHA1
634c0bd06f42f46bc878da592a06cfae328c2784
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SHA256
a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11
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SHA512
e18a10ddabc3f759486270a36f2b379544fd0855dd2fcb8474185ea31ad013fddb70aef124b532113c4ae2ca06131b7687bf8e7c72e562b648753db76bbbb590
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SSDEEP
1536:W7ZDpApYbWjIlE77ufL2e+efZwZ2Zja0tKmmjvja0tKmmjc:6DWpwE7oL2e+efZwZt
Malware Config
Signatures
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Renames multiple (5006) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.Design.resources.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\WindowsFormsIntegration.resources.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Java\jdk-1.8\bin\jcmd.exe.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-process-l1-1-0.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.OAuth.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Common Files\System\fr-FR\wab32res.dll.mui.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encoding.Extensions.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Java\jdk-1.8\jre\Welcome.html.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Java\jre-1.8\lib\fontconfig.properties.src.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Garamond.xml.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ospintl.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-black_scale-80.png.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\fr\msipc.dll.mui.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Metadata.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Windows.Forms.Primitives.resources.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.Parallel.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.Serialization.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntimeR_PrepidBypass-ppd.xrm-ms.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial2-ppd.xrm-ms.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\msvcp140.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Uri.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.MemoryMappedFiles.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Timer.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Controls.Ribbon.resources.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Controls.Ribbon.resources.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.WindowsDesktop.App.deps.json.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\ru.pak.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvVirtualization.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Common Files\System\Ole DB\msdaps.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-pl.xrm-ms.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-black_scale-140.png.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\ur.pak.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Internet Explorer\en-US\hmmapi.dll.mui.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Controls.Ribbon.resources.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\DirectWriteForwarder.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\pkcs11cryptotoken.md.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\ar\msipc.dll.mui.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Forms.Design.resources.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.CodeDom.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.InteropServices.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalDemoR_BypassTrial180-ul-oob.xrm-ms.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-ul-oob.xrm-ms.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.NETCore.App.deps.json.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Windows.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Personal2019DemoR_BypassTrial180-ppd.xrm-ms.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-ul-phn.xrm-ms.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\XLMACRO.CHM.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsesp.xml.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ul-phn.xrm-ms.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcDemoR_BypassTrial365-ul-oob.xrm-ms.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_Grace-ul-oob.xrm-ms.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationProvider.resources.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\lcms.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.Design.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Office16\BIPLAT.DLL.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.scale-100.png.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.ThreadPool.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Xaml.resources.dll.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-black_scale-80.png.tmp a558a4ae5122e5a522a373a4f18fa8bee2c9491ee8259d19d1f119f0ff3f8b11.exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
77KB
MD5fb129eaa7aa7086abe3a80c06721423b
SHA131dcc2c119331caf63cd6dfca634b28202a3e486
SHA256d11e5262b18bfe80fbc271df6b7a38672098bc38cd7ca4541dc13f28172c46d4
SHA5120208297cdf6c726b264b7bdc202fbdade1d787834c01b0806d12253157cc4fe50faf68803125d054c10dc5ec3c7ef2ea0119dd8d696d48cba5a609c96d95c3db
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Filesize
176KB
MD5fdb66c03fc55a98eb0e234166586561f
SHA1a56b4d2cb1f6209a5aee9d9378951405df4a46fc
SHA256d57167d8ad4103e60906e54738ffcbf48bdfbe570c0a0f82c964dd332cfc55d9
SHA5126f0ae8d9e490a7da93c74124980401123216ef69fcdd246b5c77896fedf98cdc2d400b61f0df14ebee48ba3b0032e6203c3712f82a30039392d6fed54e537987