Malware Analysis Report

2025-08-05 15:05

Sample ID 250519-qzwgtahj5t
Target 205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668
SHA256 205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668
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

205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668

Threat Level: Likely malicious

The file 205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668 was found to be: Likely malicious.

Malicious Activity Summary

discovery ransomware

Renames multiple (5247) 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

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe"

Signatures

Renames multiple (5247) files with added filename extension

ransomware

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationProvider.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Java\jdk-1.8\jre\bin\bci.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightItalic.ttf.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Java\jdk-1.8\legal\jdk\xerces.md.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-ul-oob.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\DocumentFormat.OpenXml.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Trial-ul-oob.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.InteropServices.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\es\UIAutomationClient.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Java\jre-1.8\bin\sunmscapi.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Client\C2R32.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_OEM_Perp-ppd.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\MSOSPECTRE.DLL.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-environment-l1-1-0.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\Microsoft.VisualBasic.Forms.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0018-0000-1000-0000000FF1CE.xml.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PG_INDEX.XML.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\PROOF\MSHY7FR.LEX.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\DirectWriteForwarder.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_OEM_Perp-pl.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\GKPowerPoint.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Linq.Parallel.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-ul-oob.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\Library\EUROTOOL.XLAM.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-pl.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Trial-ul-oob.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\MEDIA\HAMMER.WAV.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\et\msipc.dll.mui.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\OneNote\SendToOneNote-PipelineConfig.xml.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Templates\1033\EssentialReport.dotx.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Templates\1033\TimelessLetter.dotx.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Common Files\microsoft shared\ClickToRun\i640.cab.cat.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Common Files\System\msadc\it-IT\msadcer.dll.mui.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Common Files\System\Ole DB\es-ES\msdasqlr.dll.mui.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Xaml.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\UIAutomationProvider.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\PresentationUI.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Riblet.eftx.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\MEDIA\BOMB.WAV.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.MemoryMappedFiles.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCallbacks.h.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Java\jre-1.8\legal\jdk\bcel.md.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Java\jre-1.8\lib\deploy\messages_zh_HK.properties.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\Personal2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-ppd.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Trial-ul-oob.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\Custom.propdesc.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Common Files\microsoft shared\ink\rtscom.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Java\jre-1.8\legal\javafx\glib.md.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-ppd.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Excel.BackEnd.XmlSerializers.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\7-Zip\Lang\ka.txt.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\7-Zip\Lang\mr.txt.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-runtime-l1-1-0.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XPath.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Collections.Concurrent.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Input.Manipulations.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-datetime-l1-1-0.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-ppd.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Extensions.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\it\UIAutomationClientSideProviders.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-white_scale-80.png.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A
File created C:\Program Files\7-Zip\Lang\en.ttt.tmp C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.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\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe

"C:\Users\Admin\AppData\Local\Temp\205b03b6ac2f31a24c60eece87eb8d2c014dad106a4c907a47d4b0927b396668.exe"

Network

Country Destination Domain Proto
DE 88.221.197.177:443 www.bing.com tcp
DE 88.221.197.177:443 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 172.217.16.227:80 c.pki.goog tcp

Files

C:\$Recycle.Bin\S-1-5-21-2930597513-779029253-718817275-1000\desktop.ini.tmp

MD5 b6faa3800f846767320c17c2a39f4ce9
SHA1 d68a7db86b7011e4204bf623caca2e9ddaa6e6f4
SHA256 9693780982c267ae0ec47ef0b4283db6d1aa0d51316d01f74ff29e6f0022abe5
SHA512 a66977087816ed50185eb3259bfcf8a57168369e44c774c2db05065d3e95d86f2b317a8b9278f56f8a7628e3a49dd0cea070280686cb854475376c8f02e560d4

C:\6479eedf55783993fe56765264\2010_x86.log.html.tmp

MD5 687bcda7022f0ef1559b9873ff56d0b0
SHA1 d385d66b158ce59cd02cb68293b005fbc568b761
SHA256 f107e7e6757a702911d587ee22aeb8429cb0661f70951da8ab52628d676e4b3a
SHA512 c10b1bf68fffd064afd81f285ad1baabaad6a0762ae9def38a23e28f873cc7863c943af8ae679409b100563e6c7210045c7106d3e85cd68e68f7dd4640af5933

memory/5104-799-0x0000000000400000-0x0000000000407000-memory.dmp