MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA2560605e43e8c1da213c0d801b98db607f0d7ecf65b394e741a0572a0db5dbf063f
MD506bae41a509691e6a972a1704ef3cbdb
File Typeexe
Size562.0 KB
First Seen2025-07-16
File NameDHL Shipping Documents_pdf..exe
TagsDHL, exe, MassLogger

Malware Family: MassLogger

MassLogger, email keylogger'dır.

TypeInfostealer
Programming LanguageC#/.NET
Target PlatformWindows
C2 ProtocolSMTP/FTP
PurposeEmail keylogger
First Seen Year2020

Threat Indicators (IOC)

  • SHA256: 0605e43e8c1da213c0d801b98db607f0d7ecf65b394e741a0572a0db5dbf063f
  • MD5: 06bae41a509691e6a972a1704ef3cbdb

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: 0605e43e8c1da213"
        threat_level = "medium"
        first_seen = "2025-07-16"
    condition:
        hash.sha256(0, filesize) == "0605e43e8c1da213c0d801b98db607f0d7ecf65b394e741a0572a0db5dbf063f"
}

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 0605e43e8c1da213c0d801b98db607f0d7ecf65b394e741a0572a0db5dbf063f # MD5 06bae41a509691e6a972a1704ef3cbdb
TypeValueNote
sha256 0605e43e8c1da213c0d801b98db607f0d7ecf65b394e741a0572a0db5dbf063f Sample:MassLogger
md5 06bae41a509691e6a972a1704ef3cbdb Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi