MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256baa4644728c7e2bb52305701569700be80e76adf9a50bdca2faa54eed64cfc9f
MD5a70e3596486fabe206976a5b2283a455
File Typeexe
Size473.0 KB
First Seen2025-10-22
File NameNew Order..pdf.exe
Tagsexe, MassLogger

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: baa4644728c7e2bb52305701569700be80e76adf9a50bdca2faa54eed64cfc9f
  • MD5: a70e3596486fabe206976a5b2283a455

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: baa4644728c7e2bb"
        threat_level = "medium"
        first_seen = "2025-10-22"
    condition:
        hash.sha256(0, filesize) == "baa4644728c7e2bb52305701569700be80e76adf9a50bdca2faa54eed64cfc9f"
}

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 baa4644728c7e2bb52305701569700be80e76adf9a50bdca2faa54eed64cfc9f # MD5 a70e3596486fabe206976a5b2283a455
TypeValueNote
sha256 baa4644728c7e2bb52305701569700be80e76adf9a50bdca2faa54eed64cfc9f Sample:MassLogger
md5 a70e3596486fabe206976a5b2283a455 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi