MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA2565eb94225a7d4d5aff1fbea4c97e210ddbebf6f09365f658a5571f7d6b8e0da5c
MD5c35853a81e9f0ca907e7acddc01071b7
File Typeps1
Size106.1 KB
First Seen2026-04-24
File NameObjective.ps1
TagsMassLogger, ps1

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: 5eb94225a7d4d5aff1fbea4c97e210ddbebf6f09365f658a5571f7d6b8e0da5c
  • MD5: c35853a81e9f0ca907e7acddc01071b7

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: 5eb94225a7d4d5af"
        threat_level = "medium"
        first_seen = "2026-04-24"
    condition:
        hash.sha256(0, filesize) == "5eb94225a7d4d5aff1fbea4c97e210ddbebf6f09365f658a5571f7d6b8e0da5c"
}

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 5eb94225a7d4d5aff1fbea4c97e210ddbebf6f09365f658a5571f7d6b8e0da5c # MD5 c35853a81e9f0ca907e7acddc01071b7
TypeValueNote
sha256 5eb94225a7d4d5aff1fbea4c97e210ddbebf6f09365f658a5571f7d6b8e0da5c Sample:MassLogger
md5 c35853a81e9f0ca907e7acddc01071b7 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi