Malware Analysis Report

2025-08-05 15:06

Sample ID 250519-qzwgtahj5s
Target 1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f
SHA256 1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f
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

1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f

Threat Level: Likely malicious

The file 1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f was found to be: Likely malicious.

Malicious Activity Summary

discovery ransomware

Renames multiple (5219) files with added filename extension

Drops file in Program Files directory

System Location Discovery: System Language Discovery

Unsigned PE

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

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe"

Signatures

Renames multiple (5219) files with added filename extension

ransomware

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTest-pl.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-ul-oob.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-pl.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationClientSideProviders.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Java\jdk-1.8\bin\pack200.exe.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.scale-140.png.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\vfs\Fonts\private\MISTRAL.TTF.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\7-Zip\Lang\kaa.txt.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.ZipFile.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.InteropServices.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hant\PresentationFramework.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-pl.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Retail-ppd.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\mscss7fr.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.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\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\PresentationCore.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ru\WindowsFormsIntegration.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-ul-phn.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\1033\GRLEX.DLL.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\STSLIST.DLL.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\7-Zip\Lang\sa.txt.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Xaml.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\de\UIAutomationClientSideProviders.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\fr\UIAutomationTypes.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Java\jdk-1.8\legal\javafx\webkit.md.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\1033\BHOINTL.DLL.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.DataWarehouse.Interfaces.DLL.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\PROOF\LTSHYPH_EN.LEX.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.Linq.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_Subscription-ppd.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\VISSHE.DLL.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Common Files\System\msadc\adcjavas.inc.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Input.Manipulations.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\PresentationUI.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Design.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\pt-BR\PresentationUI.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Java\jdk-1.8\jre\bin\WindowsAccessBridge-64.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Java\jre-1.8\bin\dcpr.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.shared.Office.x-none.msi.16.x-none.xml.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Common Files\microsoft shared\ink\dicjp.bin.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Net.WebSockets.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Forms.Primitives.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Google\Chrome\Application\133.0.6943.60\Locales\sk.pak.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Grace-ul-oob.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-ppd.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\FPA_f14\FA000000014.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationTypes.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ko\System.Windows.Controls.Ribbon.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Google\Chrome\Application\133.0.6943.60\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Java\jre-1.8\legal\jdk\jopt-simple.md.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-ul-oob.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\OneNote\SendToOneNote.ini.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN065.XML.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-xstate-l2-1-0.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Java\jdk-1.8\jre\lib\cmm\GRAY.pf.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\PROCDB.XLAM.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\MEDIA\CLICK.WAV.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscordaccore.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemXml.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\System.DirectoryServices.dll.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Google\Chrome\Application\133.0.6943.60\chrome.dll.sig.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A
File created C:\Program Files\Microsoft Office\root\vfs\Common AppData\Microsoft Help\MS.SETLANG.16.1033.hxn.tmp C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.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\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe

"C:\Users\Admin\AppData\Local\Temp\1fdf96be6e7ee2ba560734b4105dad34d81b53f767be21cc930658ab8ca8a32f.exe"

Network

Country Destination Domain Proto
GB 2.18.27.89:443 www.bing.com tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 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-1-5-21-3920234085-916416549-2700794571-1000\desktop.ini.tmp

MD5 a827bae65a3dac6f3fdcce986261591f
SHA1 9d72e40329c5fe41d0d22d5f1cb20f83825ec745
SHA256 7055a12164e42e0e01e4733fa64bc4b2fb4b282602deaf9315a8468d0f7c904b
SHA512 45e816be5dcceb711372fab0122c4bb69eb299b9bcf66f2e9081f74e64d06498499f26f21b787c0de18c7ff2c06b87250e5e531d7275b6d1515e63c46715b065

C:\6eaadd5e1536cd09900c16de307910\2010_x86.log.html.tmp

MD5 6e411651c76abfca352490ea9e25d7e4
SHA1 9fd9969849a53a7bcb79ef1f183d5272cd1fc45f
SHA256 13e8e4d98d0759ac1794109f161b09a2c9a1578542ee0a35a78f316d94e2c79e
SHA512 535235d7feb45ecde984d4024909fc19980418a75b0fbce7549127d2858bf9fb25b39727b09048a9e351d06bdd62621e523c9231ba8b70ce1daec64012a105fa

memory/3768-801-0x0000000000400000-0x0000000000407000-memory.dmp