Malware Analysis Report

2025-08-05 15:06

Sample ID 250519-qzy8pshj6z
Target 5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b
SHA256 5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b
Tags
discovery ransomware
score
9/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V16

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
9/10

SHA256

5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b

Threat Level: Likely malicious

The file 5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b was found to be: Likely malicious.

Malicious Activity Summary

discovery ransomware

Renames multiple (5197) files with added filename extension

Drops file in Program Files directory

Unsigned PE

System Location Discovery: System Language Discovery

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-05-19 13:42

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-05-19 13:42

Reported

2025-05-19 13:45

Platform

win10v2004-20250502-en

Max time kernel

150s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe"

Signatures

Renames multiple (5197) files with added filename extension

ransomware

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Microsoft Office\root\Office16\msoev.exe.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.EventLog.Messages.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Cambria.xml.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-utility-l1-1-0.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationClientSideProviders.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Resources.Extensions.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0090-0000-1000-0000000FF1CE.xml.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.officemuiset.msi.16.en-us.xml.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui\oskclearuibase.xml.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Common Files\microsoft shared\ink\nb-NO\tipresx.dll.mui.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.TypeConverter.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Globalization.Extensions.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\pl\WindowsFormsIntegration.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Google\Chrome\Application\133.0.6943.60\Locales\ar.pak.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD_COL.HXC.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\ecc.md.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Java\jdk-1.8\lib\ant-javafx.jar.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Java\jre-1.8\lib\security\blacklisted.certs.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Tw Cen MT-Rockwell.xml.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Retail-pl.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\TipTsf.dll.mui.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Claims.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Formats.Asn1.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.CodeDom.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Java\jdk-1.8\jre\legal\javafx\directshow.md.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\1033\Client2019_eula.txt.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-locale-l1-1-0.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\INTLDATE.DLL.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\7-Zip\Lang\mng2.txt.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_Grace-ppd.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-white_scale-100.png.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-80.png.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Core.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.XLS.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD_K_COL.HXK.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-ppd.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\MSOSTYLE.DLL.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\vfs\Common AppData\Microsoft\OFFICE\AssetLibrary.ico.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Common Files\System\Ole DB\oledbvbs.inc.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.CodeDom.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\pl\PresentationFramework.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Google\Chrome\Application\133.0.6943.60\Locales\hi.pak.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_MAKC2R-pl.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\MSOSEC.DLL.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected] C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.Xml.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-pl.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART10.BDR.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\WEBSANDBOX.DLL.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\rsod\office32ww.msi.16.x-none.boot.tree.dat.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\7-Zip\Lang\it.txt.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected] C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Threading.Tasks.Dataflow.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Forms.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\AppXManifest.xml.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentDemoR_BypassTrial180-ppd.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.RsClient.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\unlimited\local_policy.jar.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_Subscription-ppd.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\JitV.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\WebView2Loader.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe

"C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe"

Network

Country Destination Domain Proto
GB 2.18.27.89:443 www.bing.com tcp
GB 2.18.27.89:443 www.bing.com tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 c.pki.goog udp
GB 216.58.201.99:80 c.pki.goog tcp

Files

C:\$Recycle.Bin\S-1-5-21-186956858-2143653872-2609589082-1000\desktop.ini.tmp

MD5 df6edf9702f77f6682c3c87ce0a46a33
SHA1 adaea79a5f0cfa6c7154da0ff3b5a77dd85cd677
SHA256 6299f2812b67b8049858e8e5e1d61443e07f84f5f2be6198470f002ffe82b93d
SHA512 4258a9c5b4feb47476c2a4963a029a1adb414df6a4a6bf4c8828adf059ce6687813d5a9f463b7aa90b89307b11dd65a079e5a3765da8e92824078c6b16ee982e

C:\d962f70874f5d4bfc1c6\2010_x64.log.html.tmp

MD5 a40a875ed224fe2d0b6a874641807a4a
SHA1 657adeeea80507b33b3df1b46488e464af684ef5
SHA256 138c1dd853c7a848a4269ea42e28884f27a5d07aff892a5d16609030d3f6f93b
SHA512 6332964cc48f006fa87ea7e906050ccd3067b781782d4328ca113023043ba56f3d379a9918ebe1e6c13036e08e61dc688dbb58e5c473cec7fc89ad3feb569010

memory/1268-797-0x0000000000400000-0x0000000000407000-memory.dmp