General

  • Target
    Synviro_Quotation#90311.pdf.exe
  • Size 1.5MB
  • Sample250527-mp2pasdj7y
  • SHA256 d7fde69a82dd7aabc7582e97f6906ff0ee92ed4ead6a2486d7c19c6807206a9d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.siecindia.com

  • Port

    587

  • Password

    DYF)A#*FqJs5

Extracted

Family
  • masslogger

Attributes
  • exfiltration_mode

    #SMTPEnabled

  • expire_time_date

    2025-04-17

  • host_password

    DYF)A#*FqJs5

  • host_port

    587

  • host_receiver

    [email protected]

  • host_sender

    [email protected]

  • host_server

    mail.siecindia.com

  • ssl_slate

    True

Targets

    • Target
      Synviro_Quotation#90311.pdf.exe
    • Size 1.5MB
    • SHA256 d7fde69a82dd7aabc7582e97f6906ff0ee92ed4ead6a2486d7c19c6807206a9d
    • MD5 SHA1 SHA512 SSDEEP
    • Darktortilla

      DarkTortilla is a highly configurable .NET based crypter that delivers a wide range of information stealers.

    • Darktortilla family

    • Detects Darktortilla crypter.

    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    • Masslogger family

    • 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.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks