General
- Target 2026-08-05_38359546360353694072ff3ef39b9b66_mespinoza
- Size 276KB
- Sample260805-rlrr5stybv
- SHA256 a916245269178964e69ec80ba85836cbf797cc02f405db13e32ff24c265525e9
- MD5 38359546360353694072ff3ef39b9b66
- SHA1 e27339c624f2be3d84cc6c10780c898090ad9e49
- SHA512 b99e075b1ad99b8732a3d47e4651d7f5fd473e5f03d242b6a15b7e6ab2d52c249241cbbe3b65aec034c7c9a7fb20f1b8d6b3e7ef1ce6d8a3aacb8098a418dfe7
- SSDEEP 6144:MsRYs9O2ul/qTNBEffmgkQjozAvEb8SZ9P4X7X5m5G:MoYs9nul/MNCHmgPozA8p9P4rXYo
- TLSH T161549D4E77A54CF2D5A38278CD519672F7B2B8A51E20CB0F12A1C76F6F23560AD2C711
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
2026-08-05_38359546360353694072ff3ef39b9b66_mespinoza.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-08-05_38359546360353694072ff3ef39b9b66_mespinoza.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target 2026-08-05_38359546360353694072ff3ef39b9b66_mespinoza
- Size 276KB
- SHA256 a916245269178964e69ec80ba85836cbf797cc02f405db13e32ff24c265525e9
- MD5 38359546360353694072ff3ef39b9b66
- SHA1 e27339c624f2be3d84cc6c10780c898090ad9e49
- SHA512 b99e075b1ad99b8732a3d47e4651d7f5fd473e5f03d242b6a15b7e6ab2d52c249241cbbe3b65aec034c7c9a7fb20f1b8d6b3e7ef1ce6d8a3aacb8098a418dfe7
- SSDEEP 6144:MsRYs9O2ul/qTNBEffmgkQjozAvEb8SZ9P4X7X5m5G:MoYs9nul/MNCHmgPozA8p9P4rXYo
- TLSH T161549D4E77A54CF2D5A38278CD519672F7B2B8A51E20CB0F12A1C76F6F23560AD2C711
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Renames multiple (11278) 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