MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256e82068a6ad93a5b11c12b6eddc010ed1f9362245392739f7541598f0bedbf43e
MD5374a336b4e70bcda1a9f1b592e11aa8b
File Typeexe
Size1091.5 KB
First Seen2026-06-08
File Namee82068a6ad93a5b11c12b6eddc010ed1f9362245392739f7541598f0bedbf43e
Tagsexe, 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: e82068a6ad93a5b11c12b6eddc010ed1f9362245392739f7541598f0bedbf43e
  • MD5: 374a336b4e70bcda1a9f1b592e11aa8b

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: e82068a6ad93a5b1"
        threat_level = "medium"
        first_seen = "2026-06-08"
    condition:
        hash.sha256(0, filesize) == "e82068a6ad93a5b11c12b6eddc010ed1f9362245392739f7541598f0bedbf43e"
}

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 e82068a6ad93a5b11c12b6eddc010ed1f9362245392739f7541598f0bedbf43e # MD5 374a336b4e70bcda1a9f1b592e11aa8b
TypeValueNote
sha256 e82068a6ad93a5b11c12b6eddc010ed1f9362245392739f7541598f0bedbf43e Sample:MassLogger
md5 374a336b4e70bcda1a9f1b592e11aa8b Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi