MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256e2eee818bcea58a3a81946de349dcbf9797ae5268c0ae3ad1c2d0bcede191431
MD52ecee4caaada44ed62e507773f1044a4
File Typerar
Size501.9 KB
First Seen2026-05-20
File NameERAN_SİPARİŞ_2605_xlsx.z.rar
TagsMassLogger, rar

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: e2eee818bcea58a3a81946de349dcbf9797ae5268c0ae3ad1c2d0bcede191431
  • MD5: 2ecee4caaada44ed62e507773f1044a4

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: e2eee818bcea58a3"
        threat_level = "medium"
        first_seen = "2026-05-20"
    condition:
        hash.sha256(0, filesize) == "e2eee818bcea58a3a81946de349dcbf9797ae5268c0ae3ad1c2d0bcede191431"
}

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 e2eee818bcea58a3a81946de349dcbf9797ae5268c0ae3ad1c2d0bcede191431 # MD5 2ecee4caaada44ed62e507773f1044a4
TypeValueNote
sha256 e2eee818bcea58a3a81946de349dcbf9797ae5268c0ae3ad1c2d0bcede191431 Sample:MassLogger
md5 2ecee4caaada44ed62e507773f1044a4 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi