General

  • Target

    3bca6a73ff91184be4fdd602a8835350d7a802af068c9a04c8335293d7edaa9f

  • Size

    659KB

  • Sample

    240523-cj3pashh5x

  • MD5

    7da99c0e15d99442a4d331bba4854a38

  • SHA1

    0c53b88daf406f2a092f79df6f0fdb40b11a0dd6

  • SHA256

    3bca6a73ff91184be4fdd602a8835350d7a802af068c9a04c8335293d7edaa9f

  • SHA512

    bac28c5642af9ab2ff242dabbb6e91625689b5214133eccd3d40688a35ccd2a0a6dc99a6e1f613b8a6ee16d0ded07f0c2f08ae3ddf1f8bc04416c2381ebf9371

  • SSDEEP

    12288:+lYifTZOwslcNo+FoiJhgec+DpdYDaDZM:Bi9Owsm2+b3gePia2

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.espetss.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    误®cWsqnPt®BRTZ29zM错

Targets

    • Target

      3bca6a73ff91184be4fdd602a8835350d7a802af068c9a04c8335293d7edaa9f

    • Size

      659KB

    • MD5

      7da99c0e15d99442a4d331bba4854a38

    • SHA1

      0c53b88daf406f2a092f79df6f0fdb40b11a0dd6

    • SHA256

      3bca6a73ff91184be4fdd602a8835350d7a802af068c9a04c8335293d7edaa9f

    • SHA512

      bac28c5642af9ab2ff242dabbb6e91625689b5214133eccd3d40688a35ccd2a0a6dc99a6e1f613b8a6ee16d0ded07f0c2f08ae3ddf1f8bc04416c2381ebf9371

    • SSDEEP

      12288:+lYifTZOwslcNo+FoiJhgec+DpdYDaDZM:Bi9Owsm2+b3gePia2

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks