MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA25692b4a324e46c3aaab45f4460522aaab834e8b88c5ed656c067c89c3e22ade481
MD57d45c08a112da2529a9ca3a806b20300
File Typeexe
Size1040.0 KB
First Seen2025-07-07
File Name92b4a324e46c3aaab45f4460522aaab834e8b88c5ed656c067c89c3e22ade481
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: 92b4a324e46c3aaab45f4460522aaab834e8b88c5ed656c067c89c3e22ade481
  • MD5: 7d45c08a112da2529a9ca3a806b20300

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: 92b4a324e46c3aaa"
        threat_level = "medium"
        first_seen = "2025-07-07"
    condition:
        hash.sha256(0, filesize) == "92b4a324e46c3aaab45f4460522aaab834e8b88c5ed656c067c89c3e22ade481"
}

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 92b4a324e46c3aaab45f4460522aaab834e8b88c5ed656c067c89c3e22ade481 # MD5 7d45c08a112da2529a9ca3a806b20300
TypeValueNote
sha256 92b4a324e46c3aaab45f4460522aaab834e8b88c5ed656c067c89c3e22ade481 Sample:MassLogger
md5 7d45c08a112da2529a9ca3a806b20300 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi