General
- Target 2026-08-25_67a7b0c20e3f723c7c7c1741aef27922_mespinoza
- Size 276KB
- Sample260826-2svsgsbr6t
- SHA256 40e1a376d83ccd5247e2ccbaf0ee14c595ddaa8c29c4ffa712a8811bceaddfcb
- MD5 67a7b0c20e3f723c7c7c1741aef27922
- SHA1 c18a261d848384fef684e3cecea9ebce3944d0d5
- SHA512 15155974c7b88dedf60040217386603375fd55ed373a0e1b83e08d3ddf97103ebc41548b47a6d2fceb4c69bda6a96c2c0ac605381979b67f76f46a7388af5624
- SSDEEP 6144:/UDEs9d2HA/30NfEfVogY8goPkvEb8SZ9PHCG0:/aEs9cHA/kN8dogwoPk8p9PiN
- TLSH T144547C4E77A58CF2E5A38278CD519672E7B2B8A51E20CB0F1261C77F6F23560AD2C711
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
2026-08-25_67a7b0c20e3f723c7c7c1741aef27922_mespinoza.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-08-25_67a7b0c20e3f723c7c7c1741aef27922_mespinoza.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target 2026-08-25_67a7b0c20e3f723c7c7c1741aef27922_mespinoza
- Size 276KB
- SHA256 40e1a376d83ccd5247e2ccbaf0ee14c595ddaa8c29c4ffa712a8811bceaddfcb
- MD5 67a7b0c20e3f723c7c7c1741aef27922
- SHA1 c18a261d848384fef684e3cecea9ebce3944d0d5
- SHA512 15155974c7b88dedf60040217386603375fd55ed373a0e1b83e08d3ddf97103ebc41548b47a6d2fceb4c69bda6a96c2c0ac605381979b67f76f46a7388af5624
- SSDEEP 6144:/UDEs9d2HA/30NfEfVogY8goPkvEb8SZ9PHCG0:/aEs9cHA/kN8dogwoPk8p9PiN
- TLSH T144547C4E77A58CF2E5A38278CD519672E7B2B8A51E20CB0F1261C77F6F23560AD2C711
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Renames multiple (11309) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Creates a file in the Startup directory
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
-
Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
-
Executes dropped EXE
-
Adds Run key to start application
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1