MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256baa7fa2f8240a086a67d051d75a007f1d015fab766b850e6cac60533323b6d85
MD518c522350e33392c69f7f4eeefcba376
File Typeexe
Size1109.0 KB
First Seen2025-07-07
File Namebaa7fa2f8240a086a67d051d75a007f1d015fab766b850e6cac60533323b6d85
Tagsexe, MassLogger

Malware Family: MassLogger

MassLogger, email keylogger'dır.

TypeInfostealer
Programming LanguageC#/.NET
Target PlatformWindows
C2 ProtocolSMTP/FTP
PurposeEmail keylogger
First Seen Year2020

Threat Indicators (IOC)

  • SHA256: baa7fa2f8240a086a67d051d75a007f1d015fab766b850e6cac60533323b6d85
  • MD5: 18c522350e33392c69f7f4eeefcba376

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Disconnect the system from the network immediately
  2. Yeni bir cihazdan banka hesabı, sosyal medya ve e-posta şifrelerini değiştirin
  3. Move crypto wallets to a new address and abandon the old ones
  4. Start a full scan with up-to-date antivirus
  5. Clear saved browser passwords and enable 2FA
  6. Sign out of all sessions on every affected service

YARA Rule Hints

rule MassLogger_SHA256 {
    meta:
        description = "MassLogger sample: baa7fa2f8240a086"
        threat_level = "medium"
        first_seen = "2025-07-07"
    condition:
        hash.sha256(0, filesize) == "baa7fa2f8240a086a67d051d75a007f1d015fab766b850e6cac60533323b6d85"
}

MassLogger — Malware Profile

MassLogger credential stealer. PT2600000043.js Portekiz fatura lurü. CommonJS obfuscation. dispatch configuration data.

Malware Type
Infostealer
Programming Language
C#/.NET
C2 Protocol
SMTP/FTP
Target Systems
Windows

Capabilities & Behavior

Tarayıcı Kimlik Bilgileri
Çerez Hırsızlığı
Kripto Cüzdan Çalma
Sistem Bilgisi
Ekran Görüntüsü
FTP/SSH İstemci Şifreleri
E-posta İstemcisi Çalma
Veri Sızıntısı

IOC List (2 indicators)

IOC — MassLogger
# SHA256 baa7fa2f8240a086a67d051d75a007f1d015fab766b850e6cac60533323b6d85 # MD5 18c522350e33392c69f7f4eeefcba376
TypeValueNote
sha256 baa7fa2f8240a086a67d051d75a007f1d015fab766b850e6cac60533323b6d85 Sample:MassLogger
md5 18c522350e33392c69f7f4eeefcba376 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi