MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256e7aaacbb08fd0702c552169ce55065e51e1cfb55404509851592c3019fb15927
MD56546ad895e1c4b456a2986b52580c451
File Typeexe
Size635.5 KB
First Seen2026-05-21
File NameDHL_Shipping_Documents_&_BL.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: e7aaacbb08fd0702c552169ce55065e51e1cfb55404509851592c3019fb15927
  • MD5: 6546ad895e1c4b456a2986b52580c451

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: e7aaacbb08fd0702"
        threat_level = "medium"
        first_seen = "2026-05-21"
    condition:
        hash.sha256(0, filesize) == "e7aaacbb08fd0702c552169ce55065e51e1cfb55404509851592c3019fb15927"
}

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 e7aaacbb08fd0702c552169ce55065e51e1cfb55404509851592c3019fb15927 # MD5 6546ad895e1c4b456a2986b52580c451
TypeValueNote
sha256 e7aaacbb08fd0702c552169ce55065e51e1cfb55404509851592c3019fb15927 Sample:MassLogger
md5 6546ad895e1c4b456a2986b52580c451 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi