MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256022b876ca9d0ab0ed7ac4619763a389681bb593ab691371ef1098a4ed1f99d6a
MD507d6596913bc61d8355901940a3adbe1
File Typejs
Size9053.7 KB
First Seen2026-06-25
File NameENQ-PROJECT-U2RPM.js
Tagsjs, 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: 022b876ca9d0ab0ed7ac4619763a389681bb593ab691371ef1098a4ed1f99d6a
  • MD5: 07d6596913bc61d8355901940a3adbe1

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: 022b876ca9d0ab0e"
        threat_level = "medium"
        first_seen = "2026-06-25"
    condition:
        hash.sha256(0, filesize) == "022b876ca9d0ab0ed7ac4619763a389681bb593ab691371ef1098a4ed1f99d6a"
}

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 022b876ca9d0ab0ed7ac4619763a389681bb593ab691371ef1098a4ed1f99d6a # MD5 07d6596913bc61d8355901940a3adbe1
TypeValueNote
sha256 022b876ca9d0ab0ed7ac4619763a389681bb593ab691371ef1098a4ed1f99d6a Sample:MassLogger
md5 07d6596913bc61d8355901940a3adbe1 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi