MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA2567b2474666dc23eb59ff69496a2a6715b821a29b078444afc7d52a2acaee1a406
MD59b0f012edd89275ee3734b5dc5392c49
File Typeexe
Size797.0 KB
First Seen2026-05-20
File Namefedex_awb_bl_tax_bill_document_receipt_payment_05_15_2026_00000000.exe
Tagsexe, MassLogger

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: 7b2474666dc23eb59ff69496a2a6715b821a29b078444afc7d52a2acaee1a406
  • MD5: 9b0f012edd89275ee3734b5dc5392c49

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: 7b2474666dc23eb5"
        threat_level = "medium"
        first_seen = "2026-05-20"
    condition:
        hash.sha256(0, filesize) == "7b2474666dc23eb59ff69496a2a6715b821a29b078444afc7d52a2acaee1a406"
}

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 7b2474666dc23eb59ff69496a2a6715b821a29b078444afc7d52a2acaee1a406 # MD5 9b0f012edd89275ee3734b5dc5392c49
TypeValueNote
sha256 7b2474666dc23eb59ff69496a2a6715b821a29b078444afc7d52a2acaee1a406 Sample:MassLogger
md5 9b0f012edd89275ee3734b5dc5392c49 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi