MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256e6553b7599e6f8d8d75eb699df2df2020cdf3f3b6f852b8875289d6c41265871
MD57789d8b10942ef4317375019408bab1a
File Typeps1
Size169.9 KB
First Seen2026-04-29
File NameShock.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: e6553b7599e6f8d8d75eb699df2df2020cdf3f3b6f852b8875289d6c41265871
  • MD5: 7789d8b10942ef4317375019408bab1a

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: e6553b7599e6f8d8"
        threat_level = "medium"
        first_seen = "2026-04-29"
    condition:
        hash.sha256(0, filesize) == "e6553b7599e6f8d8d75eb699df2df2020cdf3f3b6f852b8875289d6c41265871"
}

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 e6553b7599e6f8d8d75eb699df2df2020cdf3f3b6f852b8875289d6c41265871 # MD5 7789d8b10942ef4317375019408bab1a
TypeValueNote
sha256 e6553b7599e6f8d8d75eb699df2df2020cdf3f3b6f852b8875289d6c41265871 Sample:MassLogger
md5 7789d8b10942ef4317375019408bab1a Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi