MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA2560e337fa65c742f6c88ed13fc1747ea12a215db272d7739bf47df43cfdd05932a
MD57eead46716c04da246d35c8778f8dbbc
File Typeexe
Size763.0 KB
First Seen2026-03-17
File NameSecuriteInfo.com.Trojan.Packed2.50433.1319.30070
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: 0e337fa65c742f6c88ed13fc1747ea12a215db272d7739bf47df43cfdd05932a
  • MD5: 7eead46716c04da246d35c8778f8dbbc

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: 0e337fa65c742f6c"
        threat_level = "medium"
        first_seen = "2026-03-17"
    condition:
        hash.sha256(0, filesize) == "0e337fa65c742f6c88ed13fc1747ea12a215db272d7739bf47df43cfdd05932a"
}

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 0e337fa65c742f6c88ed13fc1747ea12a215db272d7739bf47df43cfdd05932a # MD5 7eead46716c04da246d35c8778f8dbbc
TypeValueNote
sha256 0e337fa65c742f6c88ed13fc1747ea12a215db272d7739bf47df43cfdd05932a Sample:MassLogger
md5 7eead46716c04da246d35c8778f8dbbc Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi