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Analysis
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max time kernel
121s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
27/07/2024, 01:09
Static task
static1
Behavioral task
behavioral1
Sample
77ecbf499d84691d6433e491097a0fc0N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
77ecbf499d84691d6433e491097a0fc0N.exe
Resource
win10v2004-20240709-en
General
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Target
77ecbf499d84691d6433e491097a0fc0N.exe
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Size
41KB
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MD5
77ecbf499d84691d6433e491097a0fc0
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SHA1
28644e7c6178791b5a57d283e4f8243f2fcd3cab
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SHA256
5b8eb928ae32abdbce4f73f81ecffa35f9ff43fca6bac93552133106c47effc8
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SHA512
f28a2f0f4df07553c357065c74ed930f47e2a0f03a044c2238958afabf7419df3b20f40e0f2be8577427b179a11e865e61a8fc01c28435c30e79169ce6463bc9
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SSDEEP
768:W7BlphA7pARFbhL801VvM801VvcR2+lJtZ2+lJt9:W7ZhA7pApw03vR03vcltdt9
Malware Config
Signatures
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Renames multiple (1570) 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.NETCore.App\7.0.16\System.Text.Encoding.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\cpprestsdk.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\Common Files\microsoft shared\ink\bg-BG\tipresx.dll.mui.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\Common Files\System\msadc\es-ES\msdaremr.dll.mui.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\ReachFramework.resources.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationClient.resources.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\ClientEventLogMessages.man.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.Primitives.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Ping.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Forms.resources.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationTypes.resources.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationClientSideProviders.resources.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\PresentationCore.resources.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.Extensions.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.Brotli.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.InteropServices.JavaScript.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Loader.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Configuration.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-private-l1-1-0.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-time-l1-1-0.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\RepoMan.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.FileSystem.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Windows.Controls.Ribbon.resources.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationClientSideProviders.resources.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Handles.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebHeaderCollection.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationClient.resources.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Input.Manipulations.resources.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\Common Files\microsoft shared\ink\es-ES\InputPersonalization.exe.mui.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\Common Files\microsoft shared\ink\it-IT\tipresx.dll.mui.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\Crashpad\settings.dat.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.Expressions.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.ReaderWriter.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationClient.resources.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\ReachFramework.resources.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Input.Manipulations.resources.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvStreamingManager.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\Common Files\microsoft shared\ink\ja-JP\tabskb.dll.mui.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\WindowsBase.resources.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.VisualBasic.Core.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Extensions.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOLoader.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\Common Files\System\ado\msado27.tlb.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\Common Files\System\Ole DB\it-IT\sqlxmlx.rll.mui.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encoding.CodePages.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XPath.XDocument.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\D3DCompiler_47_cor3.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\PresentationCore.resources.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.Xml.Linq.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\netstandard.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Forms.Primitives.resources.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.ServicePoint.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\Common Files\System\msadc\msadcer.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-errorhandling-l1-1-0.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-utility-l1-1-0.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Controls.Ribbon.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Console.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\WindowsBase.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationUI.resources.dll.tmp 77ecbf499d84691d6433e491097a0fc0N.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 77ecbf499d84691d6433e491097a0fc0N.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
41KB
MD51ed593a7792662bc5e38f6184f32092d
SHA14c2d184c645454147dbeac07f04f016e5286081b
SHA25606a976d4565a959325a9e51b5ff1eed66a7a6283da4dc00387c11f22a21f5826
SHA5121bf9a348e81b08a94f800f0ee2dff19606a35a7ba6372349e81dd4571bdb9866fd55f5278522527d52ae382b35ce556cbfbdb0659f98f4790747f6d36d707185
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Filesize
140KB
MD5089afd0f4f2bac3c4f3a1b517abda9f4
SHA1e976babfd404f0b4a277468aee659248fc90e70d
SHA2564b4880c722d041218d32f778a1f0e284dc27185e4408570595087b33205d55ef
SHA512bc749b3739b82439e569916ed1268be103351516bd8b403b8d173ab0e2a1266a41dd05f8007b50f1ddd585eb103f24087451604415994512ec595623d29bfc7e