General

  • Target
    Debit note#202490304-01.exe
  • Size 889KB
  • Sample260910-zj88eaef63
  • SHA256 f840ab670cff8c5a85b52a8133ad961aa8863abca0bcb1f12de1012e48d38dfb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.freetrend.cc

  • Port

    587

  • Password

    Payday2026

Extracted

Family
  • masslogger

Attributes
  • exfiltration_mode

    #SMTPEnabled

  • expire_time_date

    00-00-0000

  • host_password

    Payday2026

  • host_port

    587

  • host_receiver

    [email protected]

  • host_sender

    [email protected]

  • host_server

    mail.freetrend.cc

  • ssl_slate

    False

Targets

    • Target
      Debit note#202490304-01.exe
    • Size 889KB
    • SHA256 f840ab670cff8c5a85b52a8133ad961aa8863abca0bcb1f12de1012e48d38dfb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: MassLogger

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • 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

    • 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 v16

Tasks