MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256932857e7d796c0ea5002d21a2f6fe9646fc1de0548c2847d6dfe0458dc1398cc
MD518ef0c50b7342b6faae615f5d1132367
File Typeexe
Size549.0 KB
First Seen2025-08-26
File NameOrde#r077301.bat
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: 932857e7d796c0ea5002d21a2f6fe9646fc1de0548c2847d6dfe0458dc1398cc
  • MD5: 18ef0c50b7342b6faae615f5d1132367

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: 932857e7d796c0ea"
        threat_level = "medium"
        first_seen = "2025-08-26"
    condition:
        hash.sha256(0, filesize) == "932857e7d796c0ea5002d21a2f6fe9646fc1de0548c2847d6dfe0458dc1398cc"
}

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 932857e7d796c0ea5002d21a2f6fe9646fc1de0548c2847d6dfe0458dc1398cc # MD5 18ef0c50b7342b6faae615f5d1132367
TypeValueNote
sha256 932857e7d796c0ea5002d21a2f6fe9646fc1de0548c2847d6dfe0458dc1398cc Sample:MassLogger
md5 18ef0c50b7342b6faae615f5d1132367 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi