General
- Target 2026-08-30_d3af4bce69b794f960cbef044c022d11_mespinoza
- Size 1.9MB
- Sample260831-eblf6aee73
- SHA256 78f5a4cd49988ded0e37cce3a4279a5834c06f560db012ab0053428c639dd163
- MD5 d3af4bce69b794f960cbef044c022d11
- SHA1 7dc9b15b607a74beb84c54da6b1138ef25b37de5
- SHA512 df751d8ae0c4b39738cd50ca333d195e067975dd4f334a0c531decf4d6887dba0ea05eff63fb3fb3241c294b30f3738adeee66927efcbc4dd1e737571ec2c72e
- SSDEEP 24576:8D/m3MzmBfS0u1iW6gtgCRQO7ZzA4Mj/P1:8bm3MzmSfFyCtiJDt
- TLSH T11B95F60532E880E5EC5E4E7189A196BAF672BC8FBD2DB20F1C65325E1F335D11D1A722
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
2026-08-30_d3af4bce69b794f960cbef044c022d11_mespinoza.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-08-30_d3af4bce69b794f960cbef044c022d11_mespinoza.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target 2026-08-30_d3af4bce69b794f960cbef044c022d11_mespinoza
- Size 1.9MB
- SHA256 78f5a4cd49988ded0e37cce3a4279a5834c06f560db012ab0053428c639dd163
- MD5 d3af4bce69b794f960cbef044c022d11
- SHA1 7dc9b15b607a74beb84c54da6b1138ef25b37de5
- SHA512 df751d8ae0c4b39738cd50ca333d195e067975dd4f334a0c531decf4d6887dba0ea05eff63fb3fb3241c294b30f3738adeee66927efcbc4dd1e737571ec2c72e
- SSDEEP 24576:8D/m3MzmBfS0u1iW6gtgCRQO7ZzA4Mj/P1:8bm3MzmSfFyCtiJDt
- TLSH T11B95F60532E880E5EC5E4E7189A196BAF672BC8FBD2DB20F1C65325E1F335D11D1A722
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Renames multiple (10671) 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