General

  • Target

    5565d238feb8a0e52f4185f696eac6e4d817d878ca99aab4ab16a341b3c828ed.exe

  • Size

    733KB

  • Sample

    240903-b4zmpstcqp

  • MD5

    c3f7d25b0e3c3562d6ae2f65e9f0dd08

  • SHA1

    6682067cb03c455764e03227e334f2cb0fa66c35

  • SHA256

    5565d238feb8a0e52f4185f696eac6e4d817d878ca99aab4ab16a341b3c828ed

  • SHA512

    35d2af45dfa62db0e664a58f50d3b2663948633878b1e0a95d2c1944ba1bc552221b827210c8dc3b670607b43b7cf9f9ce3f1cf1a3757dc4178671bb0d45c95e

  • SSDEEP

    12288:vGZKzvtdBKYvI8Vzg6Ypg3Zds9Vvp0bkG00TX3YbUEP+2MQc4bevFUB:5dOQz0pg3Zds9Vvp0M0UbDGVQnbSFUB

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://beirutrest.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    9yXQ39wz(uL+

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    beirutrest.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    9yXQ39wz(uL+

Targets

    • Target

      5565d238feb8a0e52f4185f696eac6e4d817d878ca99aab4ab16a341b3c828ed.exe

    • Size

      733KB

    • MD5

      c3f7d25b0e3c3562d6ae2f65e9f0dd08

    • SHA1

      6682067cb03c455764e03227e334f2cb0fa66c35

    • SHA256

      5565d238feb8a0e52f4185f696eac6e4d817d878ca99aab4ab16a341b3c828ed

    • SHA512

      35d2af45dfa62db0e664a58f50d3b2663948633878b1e0a95d2c1944ba1bc552221b827210c8dc3b670607b43b7cf9f9ce3f1cf1a3757dc4178671bb0d45c95e

    • SSDEEP

      12288:vGZKzvtdBKYvI8Vzg6Ypg3Zds9Vvp0bkG00TX3YbUEP+2MQc4bevFUB:5dOQz0pg3Zds9Vvp0M0UbDGVQnbSFUB

    • AgentTesla

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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