Analysis
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max time kernel
150s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20250502-en -
resource tags
arch:x64arch:x86image:win10v2004-20250502-enlocale:en-usos:windows10-2004-x64system -
submitted
19/05/2025, 13:42
Static task
static1
Behavioral task
behavioral1
Sample
c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe
Resource
win10v2004-20250502-en
General
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Target
c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe
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Size
31KB
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MD5
afc9fd46a709f1dfeb05928326298908
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SHA1
edf2b417d616f64cb1381c82f164479b08130132
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SHA256
c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a
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SHA512
193f649c67b61f52228e6c3a6f970833f1ad7406c3397abfe66db15cba992199f1edc811b09f3af38ca0f9d04c8e8d3c3eb6c533a1c0f50eac1251807f04160b
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SSDEEP
384:gBt7Br5xjL9AgA71FbhvP/KWLsqmFae+rOAqmFae+rOfijcijP:s7BlpppARFbhdLz8ae+rOn8ae+rOfXK
Malware Config
Signatures
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Renames multiple (5227) 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\Microsoft Office\root\Office16\1033\ONENOTE_F_COL.HXK.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\vfs\Fonts\private\ARIALNB.TTF.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\Microsoft.VisualBasic.Forms.resources.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\plugin2\msvcp140.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription3-ppd.xrm-ms.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\personaspybridge.js.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Office16\PROOF\msth8EN.DLL.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.IO.MemoryMappedFiles.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.Design.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ru\UIAutomationProvider.resources.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Java\jre-1.8\bin\msvcp140_2.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\linesdistinctive.dotx.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe.config.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Java\jdk-1.8\bin\pack200.exe.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\sunmscapi.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial2-ul-oob.xrm-ms.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-sysinfo-l1-1-0.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Net.Requests.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Windows.Forms.Primitives.resources.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ReachFramework.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Input.Manipulations.resources.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\Microsoft.VisualBasic.Forms.resources.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\es\WindowsBase.resources.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-ppd.xrm-ms.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Json.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\netstandard.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-localization-l1-2-0.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-006E-0409-1000-0000000FF1CE.xml.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Trial-pl.xrm-ms.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\sbicuin58_64.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\ext\cldrdata.jar.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription2-ul-oob.xrm-ms.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\as90.xsl.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL010.XML.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Runtime.Extensions.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Accessibility.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationTypes.resources.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Controls.Ribbon.resources.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\bci.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifestLoc.16.en-us.xml.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-locale-l1-1-0.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Security.Cryptography.Csp.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\it\UIAutomationClientSideProviders.resources.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\System.Xaml.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_CopyDrop32x32.gif.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Licenses16\WordVL_MAK-ul-phn.xrm-ms.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Xaml.resources.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\xmlresolver.md.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Arial-Times New Roman.xml.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_COL.HXT.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\offsymxb.ttf.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-memory-l1-1-0.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-ppd.xrm-ms.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_MAK-ul-phn.xrm-ms.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_KMS_Client_AE-ppd.xrm-ms.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Common Files\System\msadc\es-ES\msdaprsr.dll.mui.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.DataContractSerialization.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationClient.resources.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Retail-pl.xrm-ms.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ServiceProcess.dll.tmp c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.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 c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe"C:\Users\Admin\AppData\Local\Temp\c3bd7c16da1af87ebb2f1664545a4a3c22ca99869895997c70cb3e6e3c836e0a.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1088
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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Filesize
32KB
MD5414fc1f419577e596cfb1a37a59270d7
SHA14990789e4363514ec43487ebe4aa77b640cf533c
SHA2562c042f0209460629487463cf555369e2edc71203fd68d20f12cc0ebb130f8015
SHA512993b816c17c22521efdf479807cf32a1224919eae79c74f4d69f15489be31674f76f399eea5830ef953b7b4ae9076792feec67dddcb7464ae45030b2fb983ea4
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Filesize
117KB
MD5cb2faef812464ed76b920517e0c80833
SHA1c6f7d0867d485ce39b3d53cba6953b0abe5826dd
SHA2566a989b50253d2a3530b640c837694e616bdc5bdcc7c8ccf058ab5263b0eb373c
SHA512c250adc81b1915a22ded483ed0ba42c9897ca2ca19b67edee801ae1642651ffadafc65b420a098b31bbfaa055dd408309d7996e5503f51755661d6ce7ab01421