General

  • Target

    Invoice No 1122207 pdf.exe

  • Size

    1.5MB

  • Sample

    250115-rbjc1svkey

  • MD5

    f4d3b326b29b4d0d8269499be0bc6b7f

  • SHA1

    f64f81909454b15dba91e95d5da9d7684cfc59f1

  • SHA256

    c3290e5cf7ebc77727f778129c3e235bbb23bdf2cc6136e4a442e7034da7abe5

  • SHA512

    553cf511061e2862e8218ec0ff8a34c9cf5efafe7b7c4ba3b07a0c105d5e238a17e697a5582b7d825cf065566b26666f48a2dcd59096fc64c5cf40eb90cea50b

  • SSDEEP

    49152:0TvC/MTQYxsWR7a98rj1xQdK6xKXbo7Q:UjTQYxsWR/MnKXmQ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    cash@com12345

Extracted

Family

vipkeylogger

Credentials

Targets

    • Target

      Invoice No 1122207 pdf.exe

    • Size

      1.5MB

    • MD5

      f4d3b326b29b4d0d8269499be0bc6b7f

    • SHA1

      f64f81909454b15dba91e95d5da9d7684cfc59f1

    • SHA256

      c3290e5cf7ebc77727f778129c3e235bbb23bdf2cc6136e4a442e7034da7abe5

    • SHA512

      553cf511061e2862e8218ec0ff8a34c9cf5efafe7b7c4ba3b07a0c105d5e238a17e697a5582b7d825cf065566b26666f48a2dcd59096fc64c5cf40eb90cea50b

    • SSDEEP

      49152:0TvC/MTQYxsWR7a98rj1xQdK6xKXbo7Q:UjTQYxsWR/MnKXmQ

    • VIPKeylogger

      VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

    • Vipkeylogger family

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks