MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA2562168a3295dc3efc1cd46ba5c7052a95645bd92e09002b69ab4ec5277ef678c78
MD5e3ea9010003f5e7d400a39a573b25ff4
File Typebat
Size145.1 KB
First Seen2026-04-24
File NameBody.bat
Tagsbat, MassLogger

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: 2168a3295dc3efc1cd46ba5c7052a95645bd92e09002b69ab4ec5277ef678c78
  • MD5: e3ea9010003f5e7d400a39a573b25ff4

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: 2168a3295dc3efc1"
        threat_level = "medium"
        first_seen = "2026-04-24"
    condition:
        hash.sha256(0, filesize) == "2168a3295dc3efc1cd46ba5c7052a95645bd92e09002b69ab4ec5277ef678c78"
}

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 2168a3295dc3efc1cd46ba5c7052a95645bd92e09002b69ab4ec5277ef678c78 # MD5 e3ea9010003f5e7d400a39a573b25ff4
TypeValueNote
sha256 2168a3295dc3efc1cd46ba5c7052a95645bd92e09002b69ab4ec5277ef678c78 Sample:MassLogger
md5 e3ea9010003f5e7d400a39a573b25ff4 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi