General
- Target 2026-08-02_86b31afe19e694e8afddc0c2b7a3cabb_mespinoza
- Size 1.9MB
- Sample260802-nd2etsytf1
- SHA256 802d4e4f2c32cfc98150d133f7c8205a1f6895940393384343fd9c309b54f557
- MD5 86b31afe19e694e8afddc0c2b7a3cabb
- SHA1 f99b4bbc49aa40e993bc01fec0fd561dffd63e25
- SHA512 cfe3a224fcdc7386a668d81ad4c419092f45eea226d098bc8b40ea51775c4a260c0b300a6ca1259ce38d8d25d9a98a01175fd2f9e3dafed87364fdbfe5453fe6
- SSDEEP 24576:oLgcOWkrGEolQtMq0+tgCRQO7ZzA4Mj/iu:oscOWkjoy3yCtiJDiu
- TLSH T1D595070532E880E4EC5E4E7189A196BAF672BC8FBD2DB60F1C65325E1F335D11D1A722
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
2026-08-02_86b31afe19e694e8afddc0c2b7a3cabb_mespinoza.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-08-02_86b31afe19e694e8afddc0c2b7a3cabb_mespinoza.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target 2026-08-02_86b31afe19e694e8afddc0c2b7a3cabb_mespinoza
- Size 1.9MB
- SHA256 802d4e4f2c32cfc98150d133f7c8205a1f6895940393384343fd9c309b54f557
- MD5 86b31afe19e694e8afddc0c2b7a3cabb
- SHA1 f99b4bbc49aa40e993bc01fec0fd561dffd63e25
- SHA512 cfe3a224fcdc7386a668d81ad4c419092f45eea226d098bc8b40ea51775c4a260c0b300a6ca1259ce38d8d25d9a98a01175fd2f9e3dafed87364fdbfe5453fe6
- SSDEEP 24576:oLgcOWkrGEolQtMq0+tgCRQO7ZzA4Mj/iu:oscOWkjoy3yCtiJDiu
- TLSH T1D595070532E880E4EC5E4E7189A196BAF672BC8FBD2DB60F1C65325E1F335D11D1A722
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Renames multiple (10139) 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