General
- Target 2026-08-04_f6e4720c4bde31ecf30c1c1a8150eecc_mespinoza
- Size 276KB
- Sample260804-v14l2attcv
- SHA256 5b42e09fc1e8f520032c06487bc3547d18331f7e99a41c6217566bae20b4fd03
- MD5 f6e4720c4bde31ecf30c1c1a8150eecc
- SHA1 f5fd5db1e88195f74cc7da88b51eb241302c247b
- SHA512 d77c41daa67b55cb343122fce8a98bfa07828bcd3826a397df392c081c82dd985d4a8e0d103a4291967d3803b5a502c6a5ac6e4463dcbcac9f3e27a1701102ee
- SSDEEP 6144:TDXos9m2CD/R/N5EfELgEOjoz7vEb8SZ9PJ/SYOQRJtb:Tros9vCD/xN68LgVoz78p9PJqYOQRDb
- TLSH T11C547C4A77A54CF2D5A78178C951A672F7B2B8A51E20CB0F12A1C77F2F23560AD2C712
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
2026-08-04_f6e4720c4bde31ecf30c1c1a8150eecc_mespinoza.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-08-04_f6e4720c4bde31ecf30c1c1a8150eecc_mespinoza.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target 2026-08-04_f6e4720c4bde31ecf30c1c1a8150eecc_mespinoza
- Size 276KB
- SHA256 5b42e09fc1e8f520032c06487bc3547d18331f7e99a41c6217566bae20b4fd03
- MD5 f6e4720c4bde31ecf30c1c1a8150eecc
- SHA1 f5fd5db1e88195f74cc7da88b51eb241302c247b
- SHA512 d77c41daa67b55cb343122fce8a98bfa07828bcd3826a397df392c081c82dd985d4a8e0d103a4291967d3803b5a502c6a5ac6e4463dcbcac9f3e27a1701102ee
- SSDEEP 6144:TDXos9m2CD/R/N5EfELgEOjoz7vEb8SZ9PJ/SYOQRJtb:Tros9vCD/xN68LgVoz78p9PJqYOQRDb
- TLSH T11C547C4A77A54CF2D5A78178C951A672F7B2B8A51E20CB0F12A1C77F2F23560AD2C712
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Renames multiple (10382) 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