General

  • Target

    1bbbe0b213b7e7b2f33f6f93c0cf12cbc3cc95a1cf9d112e43beb1546df4a572

  • Size

    809KB

  • Sample

    240530-bkpcmaha3z

  • MD5

    fd318febd4f80a34ed3cbb87271b0e8d

  • SHA1

    8754a897d54249b810468ca395b801c21e140d93

  • SHA256

    1bbbe0b213b7e7b2f33f6f93c0cf12cbc3cc95a1cf9d112e43beb1546df4a572

  • SHA512

    42b3a18f51f5ad278225b14c72fde99e7d890b17c918419b24590d9ae1281cc29c9d4e0e041a40bc888c74de9c33de9723ab10f9f0b081cb7a18aaa485bf9d19

  • SSDEEP

    12288:UjADhreCPb6Al2sNSj6c1WQK0DvFHPBVcCouW1md7CbAyNJbH7o:UjADhreCPc2YDv57ctbAyNN7o

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.avtorska.com.mk
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    avtorska2014@

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      1bbbe0b213b7e7b2f33f6f93c0cf12cbc3cc95a1cf9d112e43beb1546df4a572

    • Size

      809KB

    • MD5

      fd318febd4f80a34ed3cbb87271b0e8d

    • SHA1

      8754a897d54249b810468ca395b801c21e140d93

    • SHA256

      1bbbe0b213b7e7b2f33f6f93c0cf12cbc3cc95a1cf9d112e43beb1546df4a572

    • SHA512

      42b3a18f51f5ad278225b14c72fde99e7d890b17c918419b24590d9ae1281cc29c9d4e0e041a40bc888c74de9c33de9723ab10f9f0b081cb7a18aaa485bf9d19

    • SSDEEP

      12288:UjADhreCPb6Al2sNSj6c1WQK0DvFHPBVcCouW1md7CbAyNJbH7o:UjADhreCPc2YDv57ctbAyNN7o

    • 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