General

  • Target

    6fcecfa549267bc93d3e1171a20d85f6f52b5350234e7a876ac37a21235058fb

  • Size

    589KB

  • Sample

    231206-cr1vnsac26

  • MD5

    78c5bac4dfa513cf39fb0d44435017f3

  • SHA1

    7bd2cca71ec164a85a10fb849591b438ff54712d

  • SHA256

    6fcecfa549267bc93d3e1171a20d85f6f52b5350234e7a876ac37a21235058fb

  • SHA512

    d68c38301bae5b03346c45ef361ffc709a8762befa979688a609660f0ce881d36157a9a839092114ee2c5179c5bd0387a384e78ae57cbf3ac424c58acdf6a33e

  • SSDEEP

    12288:qxPgUr7QA+SRIHj5TCkvibt3oXuWtTrzKD:KxASA97vk4+WprWD

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    premium185.web-hosting.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    cooldown2013

Targets

    • Target

      6fcecfa549267bc93d3e1171a20d85f6f52b5350234e7a876ac37a21235058fb

    • Size

      589KB

    • MD5

      78c5bac4dfa513cf39fb0d44435017f3

    • SHA1

      7bd2cca71ec164a85a10fb849591b438ff54712d

    • SHA256

      6fcecfa549267bc93d3e1171a20d85f6f52b5350234e7a876ac37a21235058fb

    • SHA512

      d68c38301bae5b03346c45ef361ffc709a8762befa979688a609660f0ce881d36157a9a839092114ee2c5179c5bd0387a384e78ae57cbf3ac424c58acdf6a33e

    • SSDEEP

      12288:qxPgUr7QA+SRIHj5TCkvibt3oXuWtTrzKD:KxASA97vk4+WprWD

    • AgentTesla

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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