MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256996982a4dcd2e33ae56ae89fa40dd3d6a18393633702b7a0ee79d9c1f54f9073
MD5d68395bec1cfc62dfa8a11fe87f9da09
File Typeexe
Size682.0 KB
First Seen2026-05-20
File NameKonfirmimi_i_porosise_i_bashkangjitur.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: 996982a4dcd2e33ae56ae89fa40dd3d6a18393633702b7a0ee79d9c1f54f9073
  • MD5: d68395bec1cfc62dfa8a11fe87f9da09

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: 996982a4dcd2e33a"
        threat_level = "medium"
        first_seen = "2026-05-20"
    condition:
        hash.sha256(0, filesize) == "996982a4dcd2e33ae56ae89fa40dd3d6a18393633702b7a0ee79d9c1f54f9073"
}

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 996982a4dcd2e33ae56ae89fa40dd3d6a18393633702b7a0ee79d9c1f54f9073 # MD5 d68395bec1cfc62dfa8a11fe87f9da09
TypeValueNote
sha256 996982a4dcd2e33ae56ae89fa40dd3d6a18393633702b7a0ee79d9c1f54f9073 Sample:MassLogger
md5 d68395bec1cfc62dfa8a11fe87f9da09 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi