MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256dd737dea20792860147b53679f68e964778a2b47e98d7187ccd4ead0127aec76
MD50f85745b3800e8421353eb7478974dc7
File Typeps1
Size1190.5 KB
First Seen2026-03-19
File NameENCRYPT.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: dd737dea20792860147b53679f68e964778a2b47e98d7187ccd4ead0127aec76
  • MD5: 0f85745b3800e8421353eb7478974dc7

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: dd737dea20792860"
        threat_level = "medium"
        first_seen = "2026-03-19"
    condition:
        hash.sha256(0, filesize) == "dd737dea20792860147b53679f68e964778a2b47e98d7187ccd4ead0127aec76"
}

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 dd737dea20792860147b53679f68e964778a2b47e98d7187ccd4ead0127aec76 # MD5 0f85745b3800e8421353eb7478974dc7
TypeValueNote
sha256 dd737dea20792860147b53679f68e964778a2b47e98d7187ccd4ead0127aec76 Sample:MassLogger
md5 0f85745b3800e8421353eb7478974dc7 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi