MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA2562ae5d7a2c53dae715a36f67b8cdf5b6f861acb5b79792a74d34a1bcba03fd2ba
MD5da098f6572a365ded1e62afc5e9689a7
File Typeexe
Size1165.5 KB
First Seen2026-02-05
File Name24f311baff086935d9e08a98a08b8d2d64d41ff1ef950a914f7205238bc5552a
Tagsexe, MassLogger, upx-dec

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: 2ae5d7a2c53dae715a36f67b8cdf5b6f861acb5b79792a74d34a1bcba03fd2ba
  • MD5: da098f6572a365ded1e62afc5e9689a7

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: 2ae5d7a2c53dae71"
        threat_level = "medium"
        first_seen = "2026-02-05"
    condition:
        hash.sha256(0, filesize) == "2ae5d7a2c53dae715a36f67b8cdf5b6f861acb5b79792a74d34a1bcba03fd2ba"
}

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 2ae5d7a2c53dae715a36f67b8cdf5b6f861acb5b79792a74d34a1bcba03fd2ba # MD5 da098f6572a365ded1e62afc5e9689a7
TypeValueNote
sha256 2ae5d7a2c53dae715a36f67b8cdf5b6f861acb5b79792a74d34a1bcba03fd2ba Sample:MassLogger
md5 da098f6572a365ded1e62afc5e9689a7 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi