MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256ada6d9edab9d620fccb517b99673d74bdf21521c9de8efc624b0a988d3b8a52c
MD569f50c0060900c5e10e5b30660f6669e
File Typeexe
Size1065.0 KB
First Seen2026-06-08
File Nameada6d9edab9d620fccb517b99673d74bdf21521c9de8efc624b0a988d3b8a52c
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: ada6d9edab9d620fccb517b99673d74bdf21521c9de8efc624b0a988d3b8a52c
  • MD5: 69f50c0060900c5e10e5b30660f6669e

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: ada6d9edab9d620f"
        threat_level = "medium"
        first_seen = "2026-06-08"
    condition:
        hash.sha256(0, filesize) == "ada6d9edab9d620fccb517b99673d74bdf21521c9de8efc624b0a988d3b8a52c"
}

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 ada6d9edab9d620fccb517b99673d74bdf21521c9de8efc624b0a988d3b8a52c # MD5 69f50c0060900c5e10e5b30660f6669e
TypeValueNote
sha256 ada6d9edab9d620fccb517b99673d74bdf21521c9de8efc624b0a988d3b8a52c Sample:MassLogger
md5 69f50c0060900c5e10e5b30660f6669e Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi