MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256e7dc07e0d676315ed978812421a61050ab7e8f46b59fc1d9be168da13fe6b82f
MD555107e6b83a71354d5617b20bd601aec
File Typeexe
Size529.5 KB
First Seen2025-11-06
File Namee7dc07e0d676315ed978812421a61050ab7e8f46b59fc1d9be168da13fe6b82f
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: e7dc07e0d676315ed978812421a61050ab7e8f46b59fc1d9be168da13fe6b82f
  • MD5: 55107e6b83a71354d5617b20bd601aec

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: e7dc07e0d676315e"
        threat_level = "medium"
        first_seen = "2025-11-06"
    condition:
        hash.sha256(0, filesize) == "e7dc07e0d676315ed978812421a61050ab7e8f46b59fc1d9be168da13fe6b82f"
}

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 e7dc07e0d676315ed978812421a61050ab7e8f46b59fc1d9be168da13fe6b82f # MD5 55107e6b83a71354d5617b20bd601aec
TypeValueNote
sha256 e7dc07e0d676315ed978812421a61050ab7e8f46b59fc1d9be168da13fe6b82f Sample:MassLogger
md5 55107e6b83a71354d5617b20bd601aec Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi