General

  • Target

    6536e9cdd39ffb3abc509468f74e4620dc40ee10a4d0b07c64d8b513455d6c68

  • Size

    44KB

  • Sample

    250128-bc6a6sskhl

  • MD5

    5f499b57da7faffbcbaccc5e8d3d2833

  • SHA1

    9e4fdec1ab203524507562bdf3a9e89ed0325fa5

  • SHA256

    6536e9cdd39ffb3abc509468f74e4620dc40ee10a4d0b07c64d8b513455d6c68

  • SHA512

    82198722dd54ed81c211c89d1fe7bbffd39e4a80d6438a37092295fb703aa414530cdc5e2a01395af8b9bf6b826e29e4d67c7b240a8da4d3c42dc628f4195d4c

  • SSDEEP

    384:pnmDTThgH72D9APMyN3i94jTO0fU5QnEDThc/hq6ki2lKxiIiW1sQS+ShjmM6IG7:BEhc8rx0fUQNpF2zInyQS+ST6nkC1

Malware Config

Extracted

Credentials

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

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      6536e9cdd39ffb3abc509468f74e4620dc40ee10a4d0b07c64d8b513455d6c68

    • Size

      44KB

    • MD5

      5f499b57da7faffbcbaccc5e8d3d2833

    • SHA1

      9e4fdec1ab203524507562bdf3a9e89ed0325fa5

    • SHA256

      6536e9cdd39ffb3abc509468f74e4620dc40ee10a4d0b07c64d8b513455d6c68

    • SHA512

      82198722dd54ed81c211c89d1fe7bbffd39e4a80d6438a37092295fb703aa414530cdc5e2a01395af8b9bf6b826e29e4d67c7b240a8da4d3c42dc628f4195d4c

    • SSDEEP

      384:pnmDTThgH72D9APMyN3i94jTO0fU5QnEDThc/hq6ki2lKxiIiW1sQS+ShjmM6IG7:BEhc8rx0fUQNpF2zInyQS+ST6nkC1

    • 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