MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA2560e2ab7d1f3695a9aa5ebf1c294c8782fad5673eff65b7e0cea5b33e136f46e8b
MD5bc9f6b481ceee95985c423d5d9fe7795
File Typeexe
Size802.0 KB
First Seen2026-03-06
File Name0e2ab7d1f3695a9aa5ebf1c294c8782fad5673eff65b7e0cea5b33e136f46e8b
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: 0e2ab7d1f3695a9aa5ebf1c294c8782fad5673eff65b7e0cea5b33e136f46e8b
  • MD5: bc9f6b481ceee95985c423d5d9fe7795

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: 0e2ab7d1f3695a9a"
        threat_level = "medium"
        first_seen = "2026-03-06"
    condition:
        hash.sha256(0, filesize) == "0e2ab7d1f3695a9aa5ebf1c294c8782fad5673eff65b7e0cea5b33e136f46e8b"
}

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 0e2ab7d1f3695a9aa5ebf1c294c8782fad5673eff65b7e0cea5b33e136f46e8b # MD5 bc9f6b481ceee95985c423d5d9fe7795
TypeValueNote
sha256 0e2ab7d1f3695a9aa5ebf1c294c8782fad5673eff65b7e0cea5b33e136f46e8b Sample:MassLogger
md5 bc9f6b481ceee95985c423d5d9fe7795 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi