MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA2561320fe6458f107f0921b81b7d30767381755bd6812a15c4f0d4cc381d70a4f8b
MD5d3358714d4ed3de8398969636e00f1d2
File Typerar
Size519.4 KB
First Seen2026-05-20
File NameKonfirmimi_i_porosise_i_bashkangjitur.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: 1320fe6458f107f0921b81b7d30767381755bd6812a15c4f0d4cc381d70a4f8b
  • MD5: d3358714d4ed3de8398969636e00f1d2

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: 1320fe6458f107f0"
        threat_level = "medium"
        first_seen = "2026-05-20"
    condition:
        hash.sha256(0, filesize) == "1320fe6458f107f0921b81b7d30767381755bd6812a15c4f0d4cc381d70a4f8b"
}

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 1320fe6458f107f0921b81b7d30767381755bd6812a15c4f0d4cc381d70a4f8b # MD5 d3358714d4ed3de8398969636e00f1d2
TypeValueNote
sha256 1320fe6458f107f0921b81b7d30767381755bd6812a15c4f0d4cc381d70a4f8b Sample:MassLogger
md5 d3358714d4ed3de8398969636e00f1d2 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi