General

  • Target

    38418060a0ff844bcd7e4e58199ae5efe6ef1dfe0c1c71cbee32e7731bebc8f8

  • Size

    672KB

  • Sample

    240620-cst4hsxgnn

  • MD5

    a15edf9625691b79cdf4c0379ce7df61

  • SHA1

    005280e78b89c35d5ce82a7bfbd9a6b2776e86e2

  • SHA256

    38418060a0ff844bcd7e4e58199ae5efe6ef1dfe0c1c71cbee32e7731bebc8f8

  • SHA512

    ae3156d81c49af712b771b4e3bdc18df35198727e867b42208514e8c24bf847441a99a61f9d82ab8ee1b89b17c6ec613a0a149d8553495d447b8dffb4928cb73

  • SSDEEP

    6144:Tg5JHngOgeFAFOeFArazd5TqJzLBErQVojt/lVDjZc7alXP7DX2CB1/h:iJgOgzFOzuzd5kBErOojt/lN+7a97DlZ

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    COKOeve8899

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    COKOeve8899

Targets

    • Target

      38418060a0ff844bcd7e4e58199ae5efe6ef1dfe0c1c71cbee32e7731bebc8f8

    • Size

      672KB

    • MD5

      a15edf9625691b79cdf4c0379ce7df61

    • SHA1

      005280e78b89c35d5ce82a7bfbd9a6b2776e86e2

    • SHA256

      38418060a0ff844bcd7e4e58199ae5efe6ef1dfe0c1c71cbee32e7731bebc8f8

    • SHA512

      ae3156d81c49af712b771b4e3bdc18df35198727e867b42208514e8c24bf847441a99a61f9d82ab8ee1b89b17c6ec613a0a149d8553495d447b8dffb4928cb73

    • SSDEEP

      6144:Tg5JHngOgeFAFOeFArazd5TqJzLBErQVojt/lVDjZc7alXP7DX2CB1/h:iJgOgzFOzuzd5kBErOojt/lN+7a97DlZ

    • AgentTesla

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

    • AgentTesla payload

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • 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.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Tasks