General

  • Target

    Presupuesto.scr.exe

  • Size

    1.8MB

  • Sample

    250124-j4earszndm

  • MD5

    3dce8f5b853374d0f7e8a97306727c07

  • SHA1

    a852b55173976419ddddec6ef11ad79882140832

  • SHA256

    e99a8a8773f059814fdcd835c6c7a8ae5284c4943987a374a96e14a8b799335d

  • SHA512

    d45777e8f8b50356d0a96f64c1045bfda5e85f6928db3515af485add2ff178b694dacf5dd54d68a086667bc39a109d4765da985e3958cd5b24dee14cd732e7c0

  • SSDEEP

    24576:tSstsds6ypgH+NKeeHsatx2B2ZGe3Mqqu5HtC/EuuE7niOIsUuX0CDn:l67p9HTHqkHMzTiEhD

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    s4.serv00.com
  • Port:
    21
  • Username:
    f2241_evicb
  • Password:
    Doll280@@

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://s4.serv00.com
  • Port:
    21
  • Username:
    f2241_evicb
  • Password:
    Doll280@@

Targets

    • Target

      Presupuesto.scr.exe

    • Size

      1.8MB

    • MD5

      3dce8f5b853374d0f7e8a97306727c07

    • SHA1

      a852b55173976419ddddec6ef11ad79882140832

    • SHA256

      e99a8a8773f059814fdcd835c6c7a8ae5284c4943987a374a96e14a8b799335d

    • SHA512

      d45777e8f8b50356d0a96f64c1045bfda5e85f6928db3515af485add2ff178b694dacf5dd54d68a086667bc39a109d4765da985e3958cd5b24dee14cd732e7c0

    • SSDEEP

      24576:tSstsds6ypgH+NKeeHsatx2B2ZGe3Mqqu5HtC/EuuE7niOIsUuX0CDn:l67p9HTHqkHMzTiEhD

    • AgentTesla

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

    • Agenttesla family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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