MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA25694e6a9e6919ac83305e4610850a5da15d1417c9cbfc58a280ba3f86a5f3d31b7
MD562cad2fcfae61d5f2009c8e4af4ce5e4
File Typezip
Size1315.2 KB
First Seen2026-06-06
File NameScanXCopy_784898937637B23.GZ
TagsMassLogger, zip

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: 94e6a9e6919ac83305e4610850a5da15d1417c9cbfc58a280ba3f86a5f3d31b7
  • MD5: 62cad2fcfae61d5f2009c8e4af4ce5e4

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: 94e6a9e6919ac833"
        threat_level = "medium"
        first_seen = "2026-06-06"
    condition:
        hash.sha256(0, filesize) == "94e6a9e6919ac83305e4610850a5da15d1417c9cbfc58a280ba3f86a5f3d31b7"
}

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 94e6a9e6919ac83305e4610850a5da15d1417c9cbfc58a280ba3f86a5f3d31b7 # MD5 62cad2fcfae61d5f2009c8e4af4ce5e4
TypeValueNote
sha256 94e6a9e6919ac83305e4610850a5da15d1417c9cbfc58a280ba3f86a5f3d31b7 Sample:MassLogger
md5 62cad2fcfae61d5f2009c8e4af4ce5e4 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi