MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA25625dff711ac42a914c0bd5c7ecf2861e7ccdf8115a9b4305e6d4592781e603807
MD55b864090a0a190362efe3c77717a1e10
File Typeps1
Size1197.6 KB
First Seen2026-04-30
File Name0RJ80CP6.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: 25dff711ac42a914c0bd5c7ecf2861e7ccdf8115a9b4305e6d4592781e603807
  • MD5: 5b864090a0a190362efe3c77717a1e10

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: 25dff711ac42a914"
        threat_level = "medium"
        first_seen = "2026-04-30"
    condition:
        hash.sha256(0, filesize) == "25dff711ac42a914c0bd5c7ecf2861e7ccdf8115a9b4305e6d4592781e603807"
}

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 25dff711ac42a914c0bd5c7ecf2861e7ccdf8115a9b4305e6d4592781e603807 # MD5 5b864090a0a190362efe3c77717a1e10
TypeValueNote
sha256 25dff711ac42a914c0bd5c7ecf2861e7ccdf8115a9b4305e6d4592781e603807 Sample:MassLogger
md5 5b864090a0a190362efe3c77717a1e10 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi