MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256c17e79ae28e26065574b31b05809d919b18298671451d17a3a127ba9c7b19516
MD56df8fa3b26986fc4c085f96e682a8f60
File Typevbs
Size333.1 KB
First Seen2025-10-06
File Name06.10.2025 Specifications Request_Aryola.vbs
TagsMassLogger, vbs

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: c17e79ae28e26065574b31b05809d919b18298671451d17a3a127ba9c7b19516
  • MD5: 6df8fa3b26986fc4c085f96e682a8f60

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: c17e79ae28e26065"
        threat_level = "medium"
        first_seen = "2025-10-06"
    condition:
        hash.sha256(0, filesize) == "c17e79ae28e26065574b31b05809d919b18298671451d17a3a127ba9c7b19516"
}

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 c17e79ae28e26065574b31b05809d919b18298671451d17a3a127ba9c7b19516 # MD5 6df8fa3b26986fc4c085f96e682a8f60
TypeValueNote
sha256 c17e79ae28e26065574b31b05809d919b18298671451d17a3a127ba9c7b19516 Sample:MassLogger
md5 6df8fa3b26986fc4c085f96e682a8f60 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi