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
08/09/2026, 08:26
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe
Resource
win10v2004-20260513-en
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe
Resource
win11ltsc2024-20260709-en
0 signatures
150 seconds
General
- Target 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe
- Size 1.9MB
- Sample260908-kb5spaec22
- SHA256 d2dbf2fce65a5bedec19bdd3b7f73eae803ef5f28ebeba695e264558dcea4e1b
- MD5 ac8a07fc8f5590ee200f98bb67a6f10d
- SHA1 fa6c6e5c70afee796255026ec93482d9939896b9
- SHA512 dfd6c784e194ff9c5d0af421e6490edc71824b291846531fe97875ef1fd676f345ec5701ea60839276affd859baac7b5015fbf00049dc5f3489d79092a6ce973
- SSDEEP 24576:AzqSL9DN5g+LAPoBdXtgCRQO7ZzA4Mj/ZMzW:AGSL9DQ+0kyCtiJDeK
- TLSH T19595070532E880E5EC5E4E7189A196BAF672BC8FBD2DB20F1C65325E1F335D11D1A722
- 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) \??\V: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\A: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\H: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\P: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\W: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\X: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\Y: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\Z: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\I: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\L: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\T: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\U: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\B: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\E: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\G: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\K: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\Q: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\J: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\M: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\N: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\O: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\R: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened (read-only) \??\S: 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe - Drops file in Program Files directory 19 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\7z.exe 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened for modification C:\Program Files\7-Zip\7zG.exe 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\mip.exe 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ShapeCollector.exe 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\TabTip.exe 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\InputPersonalization.exe 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-09-07_ac8a07fc8f5590ee200f98bb67a6f10d_mespinoza.exe