MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA2566e9ea88a667df914e3164ae10b8c4893c925784326fb115cbc6acb5ce68e32f8
MD56fde7563a87c6f4d37d206fe841a9b98
File Typeps1
Size1088.8 KB
First Seen2026-04-28
File Nameps_5x5WjYZeV3Gh_1777268525756.ps1
TagsMassLogger, ps1

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: 6e9ea88a667df914e3164ae10b8c4893c925784326fb115cbc6acb5ce68e32f8
  • MD5: 6fde7563a87c6f4d37d206fe841a9b98

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: 6e9ea88a667df914"
        threat_level = "medium"
        first_seen = "2026-04-28"
    condition:
        hash.sha256(0, filesize) == "6e9ea88a667df914e3164ae10b8c4893c925784326fb115cbc6acb5ce68e32f8"
}

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 6e9ea88a667df914e3164ae10b8c4893c925784326fb115cbc6acb5ce68e32f8 # MD5 6fde7563a87c6f4d37d206fe841a9b98
TypeValueNote
sha256 6e9ea88a667df914e3164ae10b8c4893c925784326fb115cbc6acb5ce68e32f8 Sample:MassLogger
md5 6fde7563a87c6f4d37d206fe841a9b98 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi