General

  • Target

    COTIZACIN08673.exe

  • Size

    1.3MB

  • Sample

    241009-m3d56axdlg

  • MD5

    b6b094b48e6bb079ca0e1f42d145baff

  • SHA1

    f565ba1bf316db46ce939176ae13d94bcd2c2999

  • SHA256

    078af4066128653bbfceb25b010713cfbdec2582533040e62c03a4638ca4ca9d

  • SHA512

    64f187fe0fb71e4b7e239ff2c6fb96d11d8b52c8f85bdbc951fefb7ce064ff4bf7c0492476be6f13f83011496844b7cac1924b4796f9f1310443b3266366122f

  • SSDEEP

    24576:/8V74TIvF31QRutLW/Nye+NuiiySewAIynNyFZQvww:kZ46FoPMNTtzTnNyv

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    uy,o#mZj8$lY

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    uy,o#mZj8$lY

Targets

    • Target

      COTIZACIN08673.exe

    • Size

      1.3MB

    • MD5

      b6b094b48e6bb079ca0e1f42d145baff

    • SHA1

      f565ba1bf316db46ce939176ae13d94bcd2c2999

    • SHA256

      078af4066128653bbfceb25b010713cfbdec2582533040e62c03a4638ca4ca9d

    • SHA512

      64f187fe0fb71e4b7e239ff2c6fb96d11d8b52c8f85bdbc951fefb7ce064ff4bf7c0492476be6f13f83011496844b7cac1924b4796f9f1310443b3266366122f

    • SSDEEP

      24576:/8V74TIvF31QRutLW/Nye+NuiiySewAIynNyFZQvww:kZ46FoPMNTtzTnNyv

    • AgentTesla

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

    • 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