MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256d4ddc00abfc90f17f67aa75bf122351f5c2ef7c2b9d475ac185053485c50f54d
MD53bb8a55d0196e2a1e6cd5aa1ab2dd740
File Typeps1
Size106.1 KB
First Seen2026-04-24
File NamePROVIDER.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: d4ddc00abfc90f17f67aa75bf122351f5c2ef7c2b9d475ac185053485c50f54d
  • MD5: 3bb8a55d0196e2a1e6cd5aa1ab2dd740

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: d4ddc00abfc90f17"
        threat_level = "medium"
        first_seen = "2026-04-24"
    condition:
        hash.sha256(0, filesize) == "d4ddc00abfc90f17f67aa75bf122351f5c2ef7c2b9d475ac185053485c50f54d"
}

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 d4ddc00abfc90f17f67aa75bf122351f5c2ef7c2b9d475ac185053485c50f54d # MD5 3bb8a55d0196e2a1e6cd5aa1ab2dd740
TypeValueNote
sha256 d4ddc00abfc90f17f67aa75bf122351f5c2ef7c2b9d475ac185053485c50f54d Sample:MassLogger
md5 3bb8a55d0196e2a1e6cd5aa1ab2dd740 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi