MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256bca11b0b538b6e89b2ca7a292a0dab1e26a202f9b80db24f772a062035abcd61
MD5dbcaf18169ef54c149e0bdd15c53b638
File Typeexe
Size1043.5 KB
First Seen2025-07-07
File Namebca11b0b538b6e89b2ca7a292a0dab1e26a202f9b80db24f772a062035abcd61
Tagsexe, MassLogger

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: bca11b0b538b6e89b2ca7a292a0dab1e26a202f9b80db24f772a062035abcd61
  • MD5: dbcaf18169ef54c149e0bdd15c53b638

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: bca11b0b538b6e89"
        threat_level = "medium"
        first_seen = "2025-07-07"
    condition:
        hash.sha256(0, filesize) == "bca11b0b538b6e89b2ca7a292a0dab1e26a202f9b80db24f772a062035abcd61"
}

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 bca11b0b538b6e89b2ca7a292a0dab1e26a202f9b80db24f772a062035abcd61 # MD5 dbcaf18169ef54c149e0bdd15c53b638
TypeValueNote
sha256 bca11b0b538b6e89b2ca7a292a0dab1e26a202f9b80db24f772a062035abcd61 Sample:MassLogger
md5 dbcaf18169ef54c149e0bdd15c53b638 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi