General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.16177.2093.exe

  • Size

    695KB

  • Sample

    240429-jgdeysdh7z

  • MD5

    eb0a8ca9351d89d49548bc4060db555b

  • SHA1

    32dd5b42cc297a15a97b40a3b06a1842d52466a7

  • SHA256

    433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb

  • SHA512

    61f305a81a88468864033ff6029a42f40e051c3168a9985babc6e69408414cfc0c822287cfdbb026ad985fefe39b485e44391ad7689195588cbbc5a50a8d8d22

  • SSDEEP

    12288:o+DbgSB778Qe/FsDEhr/S+dCQGXErlP7lo3JwdTOg5nACS5YOnm3xG1nEniA:JgSBYdCkllWuUp/n2EnEniA

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.starmech.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    nics123

Targets

    • Target

      SecuriteInfo.com.Win32.PWSX-gen.16177.2093.exe

    • Size

      695KB

    • MD5

      eb0a8ca9351d89d49548bc4060db555b

    • SHA1

      32dd5b42cc297a15a97b40a3b06a1842d52466a7

    • SHA256

      433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb

    • SHA512

      61f305a81a88468864033ff6029a42f40e051c3168a9985babc6e69408414cfc0c822287cfdbb026ad985fefe39b485e44391ad7689195588cbbc5a50a8d8d22

    • SSDEEP

      12288:o+DbgSB778Qe/FsDEhr/S+dCQGXErlP7lo3JwdTOg5nACS5YOnm3xG1nEniA:JgSBYdCkllWuUp/n2EnEniA

    • AgentTesla

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

    • 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.

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks