MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256ff319430f00da8eebd3b92f0d494c1dd9bee7f9ef3a8101dda2ce14968b9811a
MD5d7c652c08d32714b0beaf991d26ca600
File Typeexe
Size566.5 KB
First Seen2025-07-31
File NameSOA.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: ff319430f00da8eebd3b92f0d494c1dd9bee7f9ef3a8101dda2ce14968b9811a
  • MD5: d7c652c08d32714b0beaf991d26ca600

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: ff319430f00da8ee"
        threat_level = "medium"
        first_seen = "2025-07-31"
    condition:
        hash.sha256(0, filesize) == "ff319430f00da8eebd3b92f0d494c1dd9bee7f9ef3a8101dda2ce14968b9811a"
}

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 ff319430f00da8eebd3b92f0d494c1dd9bee7f9ef3a8101dda2ce14968b9811a # MD5 d7c652c08d32714b0beaf991d26ca600
TypeValueNote
sha256 ff319430f00da8eebd3b92f0d494c1dd9bee7f9ef3a8101dda2ce14968b9811a Sample:MassLogger
md5 d7c652c08d32714b0beaf991d26ca600 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi