MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256dd33f8080b6dc03098609e93e5fb3cf8345c60d9cc980f336bc495f234712d35
MD5f86c132cf618581a5279482d67e5deda
File Typeexe
Size522.5 KB
First Seen2025-07-21
File NameSecuriteInfo.com.Dump.Generic.Dacic.07086D09.A.E17F289E.1808.17992
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: dd33f8080b6dc03098609e93e5fb3cf8345c60d9cc980f336bc495f234712d35
  • MD5: f86c132cf618581a5279482d67e5deda

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: dd33f8080b6dc030"
        threat_level = "medium"
        first_seen = "2025-07-21"
    condition:
        hash.sha256(0, filesize) == "dd33f8080b6dc03098609e93e5fb3cf8345c60d9cc980f336bc495f234712d35"
}

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 dd33f8080b6dc03098609e93e5fb3cf8345c60d9cc980f336bc495f234712d35 # MD5 f86c132cf618581a5279482d67e5deda
TypeValueNote
sha256 dd33f8080b6dc03098609e93e5fb3cf8345c60d9cc980f336bc495f234712d35 Sample:MassLogger
md5 f86c132cf618581a5279482d67e5deda Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi