MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA25674c76152206a55abf2b1d02fda7fc632a4b6e7c19be97d889c9316cac398149f
MD5901f7cea01e6cce2ac68b64d0754a7d3
File Typejs
Size8660.7 KB
First Seen2026-06-23
File Namenueva orden de compra.js
TagsESP, geo, js, MassLogger

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: 74c76152206a55abf2b1d02fda7fc632a4b6e7c19be97d889c9316cac398149f
  • MD5: 901f7cea01e6cce2ac68b64d0754a7d3

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: 74c76152206a55ab"
        threat_level = "medium"
        first_seen = "2026-06-23"
    condition:
        hash.sha256(0, filesize) == "74c76152206a55abf2b1d02fda7fc632a4b6e7c19be97d889c9316cac398149f"
}

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 74c76152206a55abf2b1d02fda7fc632a4b6e7c19be97d889c9316cac398149f # MD5 901f7cea01e6cce2ac68b64d0754a7d3
TypeValueNote
sha256 74c76152206a55abf2b1d02fda7fc632a4b6e7c19be97d889c9316cac398149f Sample:MassLogger
md5 901f7cea01e6cce2ac68b64d0754a7d3 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi