General
- Target 2026-08-07_1283d81ee9bf30040a19454aa4f29f2f_mespinoza
- Size 775KB
- Sample260807-t2a6fasvas
- SHA256 997e6c716e065095a8b3f6a4efbff8dffa6945897e129b1a8fdb0a1918cd1a22
- MD5 1283d81ee9bf30040a19454aa4f29f2f
- SHA1 80bf75393fb73deb62eabf26e96d457f9be505ba
- SHA512 06cbabec46b0c2586d5a9e0cef5d4b760f0321ed67a2baa8160bd3debf5b0d57ca765bfc680cf88213a8547c1ca70437b07391793d8f4bb1c6ae556b19e99a90
- SSDEEP 6144:uCGs9aT2fsnc91Vr97MKNRneNMToeGY4+Zk:uLs9Mtc/Tcp
- TLSH T1B1F4503375A91848FD0E2DF48581B234F321ACAF3E4F7A8ADC48760E99776D23C59166
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
2026-08-07_1283d81ee9bf30040a19454aa4f29f2f_mespinoza.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-08-07_1283d81ee9bf30040a19454aa4f29f2f_mespinoza.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target 2026-08-07_1283d81ee9bf30040a19454aa4f29f2f_mespinoza
- Size 775KB
- SHA256 997e6c716e065095a8b3f6a4efbff8dffa6945897e129b1a8fdb0a1918cd1a22
- MD5 1283d81ee9bf30040a19454aa4f29f2f
- SHA1 80bf75393fb73deb62eabf26e96d457f9be505ba
- SHA512 06cbabec46b0c2586d5a9e0cef5d4b760f0321ed67a2baa8160bd3debf5b0d57ca765bfc680cf88213a8547c1ca70437b07391793d8f4bb1c6ae556b19e99a90
- SSDEEP 6144:uCGs9aT2fsnc91Vr97MKNRneNMToeGY4+Zk:uLs9Mtc/Tcp
- TLSH T1B1F4503375A91848FD0E2DF48581B234F321ACAF3E4F7A8ADC48760E99776D23C59166
- MD5 SHA1 SHA512 SSDEEP TLSH
Renames multiple (11970) 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