General

  • Target

    Proformainvoice000998808dated10082024

  • Size

    580KB

  • Sample

    241008-kc87ha1dph

  • MD5

    b3099ef00a87ca1d594f35c5a5a55d01

  • SHA1

    c26a6d8ced4c7b0e424c839073b9c2f62fd05975

  • SHA256

    a5f507525464dc6a2da537d7dcdbf8cc97d5f26d3d477128c61f242f713dde5a

  • SHA512

    30ea71476a21d8c1ece81a6ac0a1bd9f01d63493aad6f8510a431e61987c9a175e8a045247c32292755e3f8d0843e00528c3064467d4cf3f742a37fad7041cc4

  • SSDEEP

    12288:kQJOsRGgydDD8NEXSsakJ9KjpHHHHHHHHFHHHHHHHHHHHHHHHHHHHHHHHHHHHHbN:xNRnaXS2J9KjpHHHHHHHHFHHHHHHHHHJ

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.concaribe.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ro}UWgz#!38E

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.concaribe.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ro}UWgz#!38E

Targets

    • Target

      Proformainvoice000998808dated10082024

    • Size

      580KB

    • MD5

      b3099ef00a87ca1d594f35c5a5a55d01

    • SHA1

      c26a6d8ced4c7b0e424c839073b9c2f62fd05975

    • SHA256

      a5f507525464dc6a2da537d7dcdbf8cc97d5f26d3d477128c61f242f713dde5a

    • SHA512

      30ea71476a21d8c1ece81a6ac0a1bd9f01d63493aad6f8510a431e61987c9a175e8a045247c32292755e3f8d0843e00528c3064467d4cf3f742a37fad7041cc4

    • SSDEEP

      12288:kQJOsRGgydDD8NEXSsakJ9KjpHHHHHHHHFHHHHHHHHHHHHHHHHHHHHHHHHHHHHbN:xNRnaXS2J9KjpHHHHHHHHFHHHHHHHHHJ

    • 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.

    • 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