MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA25695a769c7e3b0b372e3e4d9534127d61fdeef9186ccc99ed88cba00423178da29
MD5bac18c4f83f6c7730d3582955de30b9f
File Typeexe
Size990.5 KB
First Seen2026-03-06
File Name95a769c7e3b0b372e3e4d9534127d61fdeef9186ccc99ed88cba00423178da29
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: 95a769c7e3b0b372e3e4d9534127d61fdeef9186ccc99ed88cba00423178da29
  • MD5: bac18c4f83f6c7730d3582955de30b9f

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: 95a769c7e3b0b372"
        threat_level = "medium"
        first_seen = "2026-03-06"
    condition:
        hash.sha256(0, filesize) == "95a769c7e3b0b372e3e4d9534127d61fdeef9186ccc99ed88cba00423178da29"
}

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 95a769c7e3b0b372e3e4d9534127d61fdeef9186ccc99ed88cba00423178da29 # MD5 bac18c4f83f6c7730d3582955de30b9f
TypeValueNote
sha256 95a769c7e3b0b372e3e4d9534127d61fdeef9186ccc99ed88cba00423178da29 Sample:MassLogger
md5 bac18c4f83f6c7730d3582955de30b9f Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi