MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256edd5518e6bbcf3017fb7086c2523533cac09f98a3a37576e29d94d1d5d5b3b02
MD5eea04ceb16130c1610a1d6743cf59484
File Typeexe
Size43664.8 KB
First Seen2026-05-20
File NameAA-Hesap-hareketlerin.exe
Tagsexe, MassLogger, signed

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: edd5518e6bbcf3017fb7086c2523533cac09f98a3a37576e29d94d1d5d5b3b02
  • MD5: eea04ceb16130c1610a1d6743cf59484

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: edd5518e6bbcf301"
        threat_level = "medium"
        first_seen = "2026-05-20"
    condition:
        hash.sha256(0, filesize) == "edd5518e6bbcf3017fb7086c2523533cac09f98a3a37576e29d94d1d5d5b3b02"
}

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 edd5518e6bbcf3017fb7086c2523533cac09f98a3a37576e29d94d1d5d5b3b02 # MD5 eea04ceb16130c1610a1d6743cf59484
TypeValueNote
sha256 edd5518e6bbcf3017fb7086c2523533cac09f98a3a37576e29d94d1d5d5b3b02 Sample:MassLogger
md5 eea04ceb16130c1610a1d6743cf59484 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi