MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA25654a8b4c753e22ebf0f248088c4424393f31417b9d79e0dafe7bf573e6263240a
MD5aad30e43426358bde6d73ef179021c60
File Typeexe
Size552.0 KB
First Seen2025-06-25
File NamerADIBMerchantSe.exe
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: 54a8b4c753e22ebf0f248088c4424393f31417b9d79e0dafe7bf573e6263240a
  • MD5: aad30e43426358bde6d73ef179021c60

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: 54a8b4c753e22ebf"
        threat_level = "medium"
        first_seen = "2025-06-25"
    condition:
        hash.sha256(0, filesize) == "54a8b4c753e22ebf0f248088c4424393f31417b9d79e0dafe7bf573e6263240a"
}

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 54a8b4c753e22ebf0f248088c4424393f31417b9d79e0dafe7bf573e6263240a # MD5 aad30e43426358bde6d73ef179021c60
TypeValueNote
sha256 54a8b4c753e22ebf0f248088c4424393f31417b9d79e0dafe7bf573e6263240a Sample:MassLogger
md5 aad30e43426358bde6d73ef179021c60 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi