MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA2568f0e207db3ead508c0e0719056b67faae2a3b085bc04311b4a071bb80e443410
MD585dfbbd28b1fb280751d97dedb61c170
File Typeexe
Size1507.5 KB
First Seen2025-07-01
File NameITEMS FOR QUOTE.exe
Tagsexe, MassLogger, QUOTATION

Malware Family: MassLogger

MassLogger, email keylogger'dır.

TypeInfostealer
Programming LanguageC#/.NET
Target PlatformWindows
C2 ProtocolSMTP/FTP
PurposeEmail keylogger
First Seen Year2020

Threat Indicators (IOC)

  • SHA256: 8f0e207db3ead508c0e0719056b67faae2a3b085bc04311b4a071bb80e443410
  • MD5: 85dfbbd28b1fb280751d97dedb61c170

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: 8f0e207db3ead508"
        threat_level = "medium"
        first_seen = "2025-07-01"
    condition:
        hash.sha256(0, filesize) == "8f0e207db3ead508c0e0719056b67faae2a3b085bc04311b4a071bb80e443410"
}

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 8f0e207db3ead508c0e0719056b67faae2a3b085bc04311b4a071bb80e443410 # MD5 85dfbbd28b1fb280751d97dedb61c170
TypeValueNote
sha256 8f0e207db3ead508c0e0719056b67faae2a3b085bc04311b4a071bb80e443410 Sample:MassLogger
md5 85dfbbd28b1fb280751d97dedb61c170 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi