MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256c034fa4ac7eaf0c73ba93467c438f3020c757314053bc5cb86f1dc27d9601743
MD556a83e00ae83b634b311666912e28841
File Typeps1
Size1088.5 KB
First Seen2026-04-28
File Nameps_dx5iUYdJE1ZC_1777360141717.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: c034fa4ac7eaf0c73ba93467c438f3020c757314053bc5cb86f1dc27d9601743
  • MD5: 56a83e00ae83b634b311666912e28841

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: c034fa4ac7eaf0c7"
        threat_level = "medium"
        first_seen = "2026-04-28"
    condition:
        hash.sha256(0, filesize) == "c034fa4ac7eaf0c73ba93467c438f3020c757314053bc5cb86f1dc27d9601743"
}

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 c034fa4ac7eaf0c73ba93467c438f3020c757314053bc5cb86f1dc27d9601743 # MD5 56a83e00ae83b634b311666912e28841
TypeValueNote
sha256 c034fa4ac7eaf0c73ba93467c438f3020c757314053bc5cb86f1dc27d9601743 Sample:MassLogger
md5 56a83e00ae83b634b311666912e28841 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi