MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA2562ee6c746bae92ec3d94b0b9c5e0ba85b61119f9d7f8e28c51e911ac730cda124
MD58e8df9c95f30625c7b8cea47cd668018
File Typevbe
Size1094.1 KB
First Seen2025-06-13
File NameMQT60127.vbe
TagsMassLogger, vbe

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: 2ee6c746bae92ec3d94b0b9c5e0ba85b61119f9d7f8e28c51e911ac730cda124
  • MD5: 8e8df9c95f30625c7b8cea47cd668018

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: 2ee6c746bae92ec3"
        threat_level = "medium"
        first_seen = "2025-06-13"
    condition:
        hash.sha256(0, filesize) == "2ee6c746bae92ec3d94b0b9c5e0ba85b61119f9d7f8e28c51e911ac730cda124"
}

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 2ee6c746bae92ec3d94b0b9c5e0ba85b61119f9d7f8e28c51e911ac730cda124 # MD5 8e8df9c95f30625c7b8cea47cd668018
TypeValueNote
sha256 2ee6c746bae92ec3d94b0b9c5e0ba85b61119f9d7f8e28c51e911ac730cda124 Sample:MassLogger
md5 8e8df9c95f30625c7b8cea47cd668018 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi