MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256beb39889c5b7df8abff28001c204a7592751deb75af780d44a724b6afd6b4316
MD56ede1e0c23f0cf525acab232d0e69b97
File Typeps1
Size1673.8 KB
First Seen2026-05-01
File Nameps_q4NFiP18Z2BJ_1777613970036.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: beb39889c5b7df8abff28001c204a7592751deb75af780d44a724b6afd6b4316
  • MD5: 6ede1e0c23f0cf525acab232d0e69b97

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: beb39889c5b7df8a"
        threat_level = "medium"
        first_seen = "2026-05-01"
    condition:
        hash.sha256(0, filesize) == "beb39889c5b7df8abff28001c204a7592751deb75af780d44a724b6afd6b4316"
}

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 beb39889c5b7df8abff28001c204a7592751deb75af780d44a724b6afd6b4316 # MD5 6ede1e0c23f0cf525acab232d0e69b97
TypeValueNote
sha256 beb39889c5b7df8abff28001c204a7592751deb75af780d44a724b6afd6b4316 Sample:MassLogger
md5 6ede1e0c23f0cf525acab232d0e69b97 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi