Malware Analysis Report

2025-08-05 15:05

Sample ID 250519-q2jk2ahk2x
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 (5286) 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 13:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-05-19 13:45

Reported

2025-05-19 13:47

Platform

win10v2004-20250502-en

Max time kernel

150s

Max time network

134s

Command Line

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

Signatures

Renames multiple (5286) 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\O365EduCloudEDUR_SubTrial-ppd.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-ppd.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols.xml.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Java\jdk-1.8\jre\lib\amd64\jvm.cfg.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\1033\XLLEX.DLL.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-black_scale-100.png.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\ReachFramework.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\7-Zip\7-zip.chm.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ko\PresentationUI.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_KMS_Client-ul-oob.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-pl.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.scale-140.png.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\OUTLFLTR.DLL.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\7-Zip\7z.sfx.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.Windows.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\1033\XLSLICER.DLL.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.DataStreamer.Excel.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Common Files\System\ado\msado25.tlb.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Controls.Ribbon.resources.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\tr\PresentationFramework.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Trial-pl.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Grace-ul-oob.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART8.BDR.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\rsod\officemui.msi.16.en-us.tree.dat.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.Diagnostics.TextWriterTraceListener.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\casual.dotx.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\1033\SkypeForBusinessBasic2019_eula.txt.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-white_scale-80.png.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationClient.resources.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\ko\WindowsFormsIntegration.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Java\jre-1.8\legal\jdk\xalan.md.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Document Themes 16\Organic.thmx.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\msoasb.exe.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00C1-0000-1000-0000000FF1CE.xml.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_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\ExcelLogo.contrast-white_scale-140.png.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\PresentationUI.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-black_scale-180.png.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\tr\msipc.dll.mui.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\PROOF\MSHY7ES.LEX.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Forms.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_MAK-ppd.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-ul-phn.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\kor-kor.xml.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\PresentationUI.resources.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Java\jdk-1.8\legal\jdk\lcms.md.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\MEDIA\CAMERA.WAV.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\msvcp140.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvVirtualization.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\pt-BR\System.Xaml.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.Diagnostics.EventLog.dll.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Google\Chrome\Application\133.0.6943.60\chrome.exe.sig.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Java\jre-1.8\lib\cmm\PYCC.pf.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Common Files\microsoft shared\ink\en-US\InputPersonalization.exe.mui.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.ComponentModel.Annotations.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\zh-Hant\UIAutomationTypes.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\notification_helper.exe.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-ppd.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Trial-ul-oob.xrm-ms.tmp C:\Users\Admin\AppData\Local\Temp\5974cb8b795c69c20ecf6603ff6c5eaebbde2ce488a6ed6f177294c35caad53b.exe N/A
File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.scale-180.png.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
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
FR 23.192.237.203:443 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 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-1-5-21-3951986358-4006919840-1009690842-1000\desktop.ini.tmp

MD5 c845e7044eb8a336f97c177bc5f31a0b
SHA1 79b21364a7651e86fd2907cd9a0c179dc0a12e47
SHA256 714b13e8e32030106bd174e30fb82f7ffe660fb8dc30eab4332f268aeeacaa77
SHA512 269fe2afe70674d964d4739f7528e77577722aa74cff00be4177fd1571fd38b524d5841e312abb424e5e183d82b564243e165763abf9c14979c889af2fc8157b

C:\e871de07eca81c0a47\2010_x86.log.html.tmp

MD5 3ab797259bf3b107a6e9f789fe7d182a
SHA1 0d87030323f75ccbc43c86ad9daeba363fd6c8b0
SHA256 5cde1e7eeb0d174ce2b0f75832ab0a94213b5bc14e8f502f69518df01315ca63
SHA512 3300bce067b693581a31004f15921bf859cea31b04c7f487130d14af290e6968fb71afb118a41bdb2eed68ed403b78a5441d9d0e687e7f70c51c3f22676688ad

memory/3772-805-0x0000000000400000-0x0000000000407000-memory.dmp