MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA2567ac07536c76c62c163ceabf2e2e877fe3877b3414d95d36d50d8d5838a548fed
MD501be7704fef9236bc993303bf751c5ab
File Typeps1
Size87.6 KB
First Seen2026-04-27
File NameCongress.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: 7ac07536c76c62c163ceabf2e2e877fe3877b3414d95d36d50d8d5838a548fed
  • MD5: 01be7704fef9236bc993303bf751c5ab

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: 7ac07536c76c62c1"
        threat_level = "medium"
        first_seen = "2026-04-27"
    condition:
        hash.sha256(0, filesize) == "7ac07536c76c62c163ceabf2e2e877fe3877b3414d95d36d50d8d5838a548fed"
}

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 7ac07536c76c62c163ceabf2e2e877fe3877b3414d95d36d50d8d5838a548fed # MD5 01be7704fef9236bc993303bf751c5ab
TypeValueNote
sha256 7ac07536c76c62c163ceabf2e2e877fe3877b3414d95d36d50d8d5838a548fed Sample:MassLogger
md5 01be7704fef9236bc993303bf751c5ab Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi