MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256e90adc72a53422843d36133d4fed1a6e77149e7e2a81aa751a97a2460645850e
MD521f0e61139177583818332c1492a528f
File Typeps1
Size1084.5 KB
First Seen2026-02-26
File NameSECURE.Ps1
TagsMassLogger, 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: e90adc72a53422843d36133d4fed1a6e77149e7e2a81aa751a97a2460645850e
  • MD5: 21f0e61139177583818332c1492a528f

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: e90adc72a5342284"
        threat_level = "medium"
        first_seen = "2026-02-26"
    condition:
        hash.sha256(0, filesize) == "e90adc72a53422843d36133d4fed1a6e77149e7e2a81aa751a97a2460645850e"
}

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 e90adc72a53422843d36133d4fed1a6e77149e7e2a81aa751a97a2460645850e # MD5 21f0e61139177583818332c1492a528f
TypeValueNote
sha256 e90adc72a53422843d36133d4fed1a6e77149e7e2a81aa751a97a2460645850e Sample:MassLogger
md5 21f0e61139177583818332c1492a528f Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi