MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA2565d8629c84b9308abeaf0ae4b3bd27b16d792c40d3c28ce3dae71aa262c1532f9
MD5876dd5f98068d6bf2ed66a30f38d32db
File Typeps1
Size1084.5 KB
First Seen2026-03-02
File NameSECURE.ps1
Tagsexe, MassLogger, ps1

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: 5d8629c84b9308abeaf0ae4b3bd27b16d792c40d3c28ce3dae71aa262c1532f9
  • MD5: 876dd5f98068d6bf2ed66a30f38d32db

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: 5d8629c84b9308ab"
        threat_level = "medium"
        first_seen = "2026-03-02"
    condition:
        hash.sha256(0, filesize) == "5d8629c84b9308abeaf0ae4b3bd27b16d792c40d3c28ce3dae71aa262c1532f9"
}

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 5d8629c84b9308abeaf0ae4b3bd27b16d792c40d3c28ce3dae71aa262c1532f9 # MD5 876dd5f98068d6bf2ed66a30f38d32db
TypeValueNote
sha256 5d8629c84b9308abeaf0ae4b3bd27b16d792c40d3c28ce3dae71aa262c1532f9 Sample:MassLogger
md5 876dd5f98068d6bf2ed66a30f38d32db Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi