MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256af4075090864dbaab0feefe9fbf188ef575ecda17256c6655ba5bc1a18111e49
MD5abffc482859bda995062099e1eda4f12
File Typejs
Size34.2 KB
First Seen2026-04-17
File NameCipada.js
Tagsjs, MassLogger, reports2--aewn-buzz

Malware Family: MassLogger

MassLogger, email tabanlı keylogger'dır.

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

Threat Indicators (IOC)

  • SHA256: af4075090864dbaab0feefe9fbf188ef575ecda17256c6655ba5bc1a18111e49
  • MD5: abffc482859bda995062099e1eda4f12

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: af4075090864dbaa"
        threat_level = "medium"
        first_seen = "2026-04-17"
    condition:
        hash.sha256(0, filesize) == "af4075090864dbaab0feefe9fbf188ef575ecda17256c6655ba5bc1a18111e49"
}

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 af4075090864dbaab0feefe9fbf188ef575ecda17256c6655ba5bc1a18111e49 # MD5 abffc482859bda995062099e1eda4f12
TypeValueNote
sha256 af4075090864dbaab0feefe9fbf188ef575ecda17256c6655ba5bc1a18111e49 Sample:MassLogger
md5 abffc482859bda995062099e1eda4f12 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi