MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256007cd810db2b95805793f8b38d89946479092c54385a4e127bb9dfe5512ade1c
MD5f4cf3e2ac6ee8b6f07299f7ce42367ec
File Typeexe
Size517.5 KB
First Seen2025-09-05
File Name007cd810db2b95805793f8b38d89946479092c54385a4e127bb9dfe5512ade1c
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: 007cd810db2b95805793f8b38d89946479092c54385a4e127bb9dfe5512ade1c
  • MD5: f4cf3e2ac6ee8b6f07299f7ce42367ec

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: 007cd810db2b9580"
        threat_level = "medium"
        first_seen = "2025-09-05"
    condition:
        hash.sha256(0, filesize) == "007cd810db2b95805793f8b38d89946479092c54385a4e127bb9dfe5512ade1c"
}

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 007cd810db2b95805793f8b38d89946479092c54385a4e127bb9dfe5512ade1c # MD5 f4cf3e2ac6ee8b6f07299f7ce42367ec
TypeValueNote
sha256 007cd810db2b95805793f8b38d89946479092c54385a4e127bb9dfe5512ade1c Sample:MassLogger
md5 f4cf3e2ac6ee8b6f07299f7ce42367ec Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi