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Analysis
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max time kernel
149s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16/10/2024, 04:24
Static task
static1
Behavioral task
behavioral1
Sample
b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe
Resource
win10v2004-20241007-en
General
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Target
b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe
-
Size
50KB
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MD5
bf7d36e3dd796107f570fb1206086730
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SHA1
01b71ad4a16d4d70249d69c58a5e19d3731f4024
-
SHA256
b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09f
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SHA512
65e5100d597c2c2478f7e85a718b093e7950b927b1c187e843ee4449238fdbbae2da6a80a578d1a59aa40bf54a955a3c211e6d53afa6b0328e202b249dfaf6cd
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SSDEEP
768:W7BlphA7pARFbhM0Kkq81LOyq81LOl6Sl5lsSThy:W7ZhA7pApM21LOA1LOl6vSQ
Malware Config
Signatures
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Renames multiple (5202) 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\6.0.27\System.Threading.ThreadPool.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\freebxml.md.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\bg\msipc.dll.mui.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TabTip.exe.mui.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Windows.Input.Manipulations.resources.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\fa.pak.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\dtplugin\npdeployJava1.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Java\jdk-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_MoveNoDrop32x32.gif.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial1-pl.xrm-ms.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\7-Zip\Lang\el.txt.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.CompilerServices.VisualC.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\mlib_image.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\ca\msipc.dll.mui.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\ThirdPartyNotices.txt.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordaccore.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Java\jre-1.8\bin\rmid.exe.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-pl.xrm-ms.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\System.Web.Mvc.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Office16\misc.exe.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL086.XML.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOLoader.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-math-l1-1-0.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.XmlDocument.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-sysinfo-l1-1-0.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Common Files\microsoft shared\MSInfo\fr-FR\msinfo32.exe.mui.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Luna.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationTypes.resources.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Resources.Extensions.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.Office.Tools.Common.v4.0.Utilities.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\Microsoft.VisualBasic.Forms.resources.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVPolicy.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Common Files\Services\verisign.bmp.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.Primitives.resources.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\Microsoft.VisualBasic.Forms.resources.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-utility-l1-1-0.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-ul-oob.xrm-ms.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.ScriptDom.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\7-Zip\Lang\va.txt.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\rsod\office32mui.msi.16.en-us.boot.tree.dat.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\PowerPivotExcelClientAddIn.tlb.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\clretwrc.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Emit.ILGeneration.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Java\jre-1.8\COPYRIGHT.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Java\jre-1.8\lib\fonts\LucidaTypewriterRegular.ttf.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-ul-oob.xrm-ms.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ul-oob.xrm-ms.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTrial-pl.xrm-ms.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.Annotations.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Office16\Document Parts\1033\16\Built-In Building Blocks.dotx.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Controls.Ribbon.resources.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-pl.xrm-ms.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Office16\mip_upe_sdk.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\vfs\Fonts\private\ANTQUAI.TTF.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\PresentationFramework.resources.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\vfs\Fonts\private\GARA.TTF.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\rsod\word.x-none.msi.16.x-none.boot.tree.dat.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.Office.Tools.Common.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN001.XML.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationClient.resources.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.UnmanagedMemoryStream.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Resources.Extensions.dll.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_MAK-pl.xrm-ms.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\Client2019_eula.txt.tmp b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.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 b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe"C:\Users\Admin\AppData\Local\Temp\b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3488
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
51KB
MD5171ca1da7ed6af1ead313f67670d1972
SHA16a611c4660449314bb302b8ef73b4f7fa43f6cf1
SHA2560fb3763b8cd38f16737d1a34e1d84ef35bad53ee0baee807e63f19ce17bcc0d7
SHA512484985f67ea71c5a96d3988dbb3863d2abdc83487f46bcc7f2b454d06ee3070eca81c22e05d433b6fa9a0d73fd637c4f6f5e51475e656efd8cb4ac3156d11488
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Filesize
149KB
MD5b7684b57a6be91e896acfdc607a9977c
SHA15b61869236372bf5bed462621273e98660b28a4a
SHA256ab4b01e8bfe2b5add26152be654a01344ff7b742bd1b114410eac8c54aba80a5
SHA512ccdd6ee5148978c4ed5578d10c84a4f75855c7469c32d55d950c4e7e71e6835af435e1760ef94bfbb9062acc31ba59d3f0886d5da6f7cdfeb37398c62724b81d