Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
07/08/2026, 11:47
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe
Resource
win11ltsc2024-20260710-en
windows11-ltsc_2024-x64
0 signatures
150 seconds
General
- Target 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe
- Size 276KB
- Sample260807-nyb1nsdk21
- SHA256 03440ecea44c18957dfd7112776fdc51a91a643942d7b931b32fe7ddf0b7b885
- MD5 4622f842b61dc6f630595f63a7cf0a2e
- SHA1 d1fbcb3782fec9b3c3d6166a595217d866031bfc
- SHA512 e43cf5774203e91a398366fe28d34258872a6db520e7f9de695ba5157013e6dfbf20a41b65bed3c4c05892bc336817eff20925139419c95bf5f5aa8a78096924
- SSDEEP 6144:Xw9Qs9M2ML/wbNWEfpiDgKpno4DvEb8SZ9Pw5lLuUpIUQHUJrUR:X0Qs9tML/mNJBiDgao4D8p9Pw/LuQIJH
- TLSH T129548D4E77A55CF2D5638278CE529672F7B2B8950E20CB0F16B1876F6F63560AC2C321
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\I: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\M: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\W: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\Z: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\A: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\J: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\N: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\O: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\S: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\T: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\U: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\X: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\B: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\H: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\K: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\P: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\Q: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\R: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\Y: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\E: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\G: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\L: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened (read-only) \??\V: 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge_proxy.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\misc.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Mozilla Firefox\nmhproxy.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\pipanel.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files (x86)\Common Files\Oracle\Java\javapath_target_86734\javaw.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\cookie_exporter.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\Install\{5FB3EC02-3BC2-42B4-ADB2-E7E67AAED99F}\MicrosoftEdge_X64_139.0.3405.125.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\notification_helper.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\TabTip.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\identity_helper.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\xlicons.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\elevated_tracing_service.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\pwahelper.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeComRegisterShellARM64.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files (x86)\Windows Media Player\wmpshare.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.147.37\MicrosoftEdgeUpdateSetup.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Windows Media Player\wmpconfig.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\osmclienticon.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedge_proxy.exe 2026-08-07_4622f842b61dc6f630595f63a7cf0a2e_mespinoza.exe