General

  • Target

    b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608

  • Size

    687KB

  • Sample

    240522-bjpl1afg3z

  • MD5

    fafeeab4defa8202f4a4511aaeb12171

  • SHA1

    22adda5e16b1c893eac440e37879383749f2670d

  • SHA256

    b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608

  • SHA512

    b68d865295ab06e7103938640ec72c4b8c5087da84a941f17850eb82ca0d54b2b3305c0294d310fe2de036f67560a6dce3ce4d5ab3edcf07e3f6f390df95301c

  • SSDEEP

    12288:Q1x504bF9nOO6Fmd+zdOH8jmv40avbwziQspRmJ7PQmVPn8NOyG3sRbT:Q1w4b/nePd68ivt+wB0mbv8NOybRbT

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.grupoautorep.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Autorep2023.*

Targets

    • Target

      b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608

    • Size

      687KB

    • MD5

      fafeeab4defa8202f4a4511aaeb12171

    • SHA1

      22adda5e16b1c893eac440e37879383749f2670d

    • SHA256

      b939036f2b6757522b3f3be59a38b4d8e0100b23dbeba2074b0af05bb97cb608

    • SHA512

      b68d865295ab06e7103938640ec72c4b8c5087da84a941f17850eb82ca0d54b2b3305c0294d310fe2de036f67560a6dce3ce4d5ab3edcf07e3f6f390df95301c

    • SSDEEP

      12288:Q1x504bF9nOO6Fmd+zdOH8jmv40avbwziQspRmJ7PQmVPn8NOyG3sRbT:Q1w4b/nePd68ivt+wB0mbv8NOybRbT

    • 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 Enterprise v15

Tasks