MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256992014a69c761a6f5f93359d5742617fe06a43d46cacacae46e74bdbe2a9526b
MD5ccef0e518f5414f5478e86e2a73ed299
File Typezip
Size392.0 KB
First Seen2026-05-20
File Name890098765456465.zip
TagsMassLogger, zip

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: 992014a69c761a6f5f93359d5742617fe06a43d46cacacae46e74bdbe2a9526b
  • MD5: ccef0e518f5414f5478e86e2a73ed299

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: 992014a69c761a6f"
        threat_level = "medium"
        first_seen = "2026-05-20"
    condition:
        hash.sha256(0, filesize) == "992014a69c761a6f5f93359d5742617fe06a43d46cacacae46e74bdbe2a9526b"
}

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 992014a69c761a6f5f93359d5742617fe06a43d46cacacae46e74bdbe2a9526b # MD5 ccef0e518f5414f5478e86e2a73ed299
TypeValueNote
sha256 992014a69c761a6f5f93359d5742617fe06a43d46cacacae46e74bdbe2a9526b Sample:MassLogger
md5 ccef0e518f5414f5478e86e2a73ed299 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi