MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256e885dc71556edc631373746233e5b0b1d8b73f5e1ce4723d06b1eb457e7b5948
MD542a98b700cdeb1c92671c4f4d4d5f059
File Typeps1
Size170.3 KB
First Seen2026-04-23
File NameSlow.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: e885dc71556edc631373746233e5b0b1d8b73f5e1ce4723d06b1eb457e7b5948
  • MD5: 42a98b700cdeb1c92671c4f4d4d5f059

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: e885dc71556edc63"
        threat_level = "medium"
        first_seen = "2026-04-23"
    condition:
        hash.sha256(0, filesize) == "e885dc71556edc631373746233e5b0b1d8b73f5e1ce4723d06b1eb457e7b5948"
}

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 e885dc71556edc631373746233e5b0b1d8b73f5e1ce4723d06b1eb457e7b5948 # MD5 42a98b700cdeb1c92671c4f4d4d5f059
TypeValueNote
sha256 e885dc71556edc631373746233e5b0b1d8b73f5e1ce4723d06b1eb457e7b5948 Sample:MassLogger
md5 42a98b700cdeb1c92671c4f4d4d5f059 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi