General
- Target 2026-09-03_3f4d63bcbc469ae0329da79f4fcb08a3_mespinoza
- Size 276KB
- Sample260904-mpppqsgp21
- SHA256 e1bc999677e1aa5ef2dd97cf60672a94674604e611d3609ff3c11c02866625ed
- MD5 3f4d63bcbc469ae0329da79f4fcb08a3
- SHA1 bcc10bbcb02a14a123be3496c7f80ef0d790d641
- SHA512 1a23ed724ef00015edb6cdfc6414b17949dad7cf8ca197d3e75d42536ea5fe0fd7bf551085ca35d4bcf1a48250dfc4b397553c29c064ba6562419979b838cd2f
- SSDEEP 6144:aDtss9M2fJ/8FNHEfxugMZlo2RvEb8SZ9PkqT:ahss9tfJ/MNkpug6o2R8p9PnT
- TLSH T13A548D4E77A54CF2E5A38278CD559672E7B2B8A51E20CB0F12A1C77F6F23560AD2C311
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
2026-09-03_3f4d63bcbc469ae0329da79f4fcb08a3_mespinoza.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-09-03_3f4d63bcbc469ae0329da79f4fcb08a3_mespinoza.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target 2026-09-03_3f4d63bcbc469ae0329da79f4fcb08a3_mespinoza
- Size 276KB
- SHA256 e1bc999677e1aa5ef2dd97cf60672a94674604e611d3609ff3c11c02866625ed
- MD5 3f4d63bcbc469ae0329da79f4fcb08a3
- SHA1 bcc10bbcb02a14a123be3496c7f80ef0d790d641
- SHA512 1a23ed724ef00015edb6cdfc6414b17949dad7cf8ca197d3e75d42536ea5fe0fd7bf551085ca35d4bcf1a48250dfc4b397553c29c064ba6562419979b838cd2f
- SSDEEP 6144:aDtss9M2fJ/8FNHEfxugMZlo2RvEb8SZ9PkqT:ahss9tfJ/MNkpug6o2R8p9PnT
- TLSH T13A548D4E77A54CF2E5A38278CD559672E7B2B8A51E20CB0F12A1C77F6F23560AD2C311
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Renames multiple (11175) 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