Analysis
- max time kernel
149s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
05/08/2026, 14:03
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
0 signatures
150 seconds
General
- Target 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe
- Size 1.9MB
- Sample260805-rc586stvav
- SHA256 115e38aa06876efc8cee5c53c7c1cb6e047e79374f51b07ef174d93f7a170cf3
- MD5 842b30b78b16b618b071147f904ba3da
- SHA1 d211514868e691bd4b8c2718454be08510a56e0d
- SHA512 5d32d197318c1dba5fbf2f0b33e65aefa68f645ba68f1cd52ed1fa3e4d7e18cee3b9b23020ba5d3484febd579461997df910a3b27c1044b12a7dad204d3384b9
- SSDEEP 24576:FDfIylqh/Uo0+RoDXJ5aStgCRQO7ZzA4Mj/Ec:FrI7h/UuR2ByCtiJDF
- TLSH T19195F70532E880E4EC5E4E71896196BAF672BC8FBD2DB20F1CA5725E1F335D11D1A722
- 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) \??\A: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\J: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\S: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\W: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\B: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\E: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\H: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\L: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\O: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\P: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\U: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\Y: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\G: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\K: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\M: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\N: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\T: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\Z: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\I: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\Q: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\R: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\V: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened (read-only) \??\X: 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe - Drops file in Program Files directory 18 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\microsoft shared\ink\mip.exe 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened for modification C:\Program Files\7-Zip\7zG.exe 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\InputPersonalization.exe 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\TabTip.exe 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ShapeCollector.exe 2026-08-05_842b30b78b16b618b071147f904ba3da_mespinoza.exe