General

  • Target

    8a63505049130bf84c31e4f1e24ab74f57c32df1e45c7cec259fedd714337f6b

  • Size

    374KB

  • Sample

    250129-bl6naswnhx

  • MD5

    34e4b2dc3e253c3318a61ee454d3325e

  • SHA1

    4b8aa68044d7e51004dff323bdfc5a113262769e

  • SHA256

    8a63505049130bf84c31e4f1e24ab74f57c32df1e45c7cec259fedd714337f6b

  • SHA512

    17e54a6da93f44a8af82aed96f05bd664844b0f2c03c595d0d8e065afd2bb715b7dde57aa640c21122508d6bcd6da6148905929fede4d0ce4f0320251b26c703

  • SSDEEP

    6144:spTSHymMSVS6K2gAuExLrONMrF3u/CvoYy2UjStAQRIjuxmHuNHFIr1:F3SEVrONMrtkLjQRwc3u

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    162.254.34.31
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    6RLYuUCIH8hN

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      8a63505049130bf84c31e4f1e24ab74f57c32df1e45c7cec259fedd714337f6b

    • Size

      374KB

    • MD5

      34e4b2dc3e253c3318a61ee454d3325e

    • SHA1

      4b8aa68044d7e51004dff323bdfc5a113262769e

    • SHA256

      8a63505049130bf84c31e4f1e24ab74f57c32df1e45c7cec259fedd714337f6b

    • SHA512

      17e54a6da93f44a8af82aed96f05bd664844b0f2c03c595d0d8e065afd2bb715b7dde57aa640c21122508d6bcd6da6148905929fede4d0ce4f0320251b26c703

    • SSDEEP

      6144:spTSHymMSVS6K2gAuExLrONMrF3u/CvoYy2UjStAQRIjuxmHuNHFIr1:F3SEVrONMrtkLjQRwc3u

    • AgentTesla

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

    • Agenttesla family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Drops startup file

    • 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.

    • 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