Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
12/10/2026, 23:10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe
Resource
win11ltsc2024-20260911-en
windows11-ltsc_2024-x64
0 signatures
150 seconds
General
- Target 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe
- Size 1.9MB
- Sample261012-252rkastdx
- SHA256 734d7a1c0cc52b1f40d351599427611debabc58723e708367355cd6ba3c3dd31
- MD5 43b5b40edeeb2134020f42296680c855
- SHA1 ddd44c9b4e93ace3de8ed46156111a1c52e4811c
- SHA512 947802aec34f83678eedc4951f11b1d90d2d6684458e97419df14a769ae0d3039bc584b8389fc61d2ad56f61d630f720fdb85a3ff7db25a91e65608680452ab3
- SSDEEP 24576:sU6cmoBSz21UdZE1PGtgCRQO7ZzA4Mj/DWx:sZcmoBB1opyCtiJDCx
- TLSH T16995070532E880E5EC5E4E71896196BAF672BC8FBD2DB20F1CA5325E1F335D11D1A722
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
Malware Config
Signatures
- 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) \??\K: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\O: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\P: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\R: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\W: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\E: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\G: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\M: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\T: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\X: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\A: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\H: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\J: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\Q: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\S: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\U: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\Z: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\B: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\I: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\L: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\N: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\V: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened (read-only) \??\Y: 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe - Drops file in Program Files directory 19 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\Uninstall.exe 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\TabTip.exe 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened for modification C:\Program Files\7-Zip\7zG.exe 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\mip.exe 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ShapeCollector.exe 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\InputPersonalization.exe 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-10-11_43b5b40edeeb2134020f42296680c855_mespinoza.exe