General

  • Target

    MBL & HBL ADJKT2411000812 -BLJKT2411809005.exe

  • Size

    1.6MB

  • Sample

    250124-j29znayma1

  • MD5

    7db4af829e61e87897c666358c46394f

  • SHA1

    a2280e5849cde6feefd8d477592d5f24bf901524

  • SHA256

    733a251bd213bc32e8286eee258329fb88d009fa009e01086778337f0e8be4c7

  • SHA512

    cd35b0f9049a28b9fad30767d6c9fefee86b4e70f8985504c21f167b17fdcd2b2fcde663a8be8bf1b30d0b94e8f4680669e3d813ec8bec55ae644c16d1e59693

  • SSDEEP

    24576:As84D2ICkzY6bo8OsropRFUxAoXbLFKzrCapqFE4hwpEIkt4SGt0N1gCnA:rwkn7Gp8xAoXbcrlpqFE4hwaGt+1

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    s4.serv00.com
  • Port:
    21
  • Username:
    f2241_evica
  • Password:
    Doll440@@

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://s4.serv00.com
  • Port:
    21
  • Username:
    f2241_evica
  • Password:
    Doll440@@

Targets

    • Target

      MBL & HBL ADJKT2411000812 -BLJKT2411809005.exe

    • Size

      1.6MB

    • MD5

      7db4af829e61e87897c666358c46394f

    • SHA1

      a2280e5849cde6feefd8d477592d5f24bf901524

    • SHA256

      733a251bd213bc32e8286eee258329fb88d009fa009e01086778337f0e8be4c7

    • SHA512

      cd35b0f9049a28b9fad30767d6c9fefee86b4e70f8985504c21f167b17fdcd2b2fcde663a8be8bf1b30d0b94e8f4680669e3d813ec8bec55ae644c16d1e59693

    • SSDEEP

      24576:As84D2ICkzY6bo8OsropRFUxAoXbLFKzrCapqFE4hwpEIkt4SGt0N1gCnA:rwkn7Gp8xAoXbcrlpqFE4hwaGt+1

    • 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