MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256ce49754955c7bd3656beea94b2197119ddb00ba1aa3420d05b98c744006c40c9
MD5f9fac49c847b43577d82a62adea404f1
File Typeexe
Size1084.5 KB
First Seen2026-05-07
File NameTRANSACTION ALERT FROM NIC-BANK.exe
Tagsexe, MassLogger

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: ce49754955c7bd3656beea94b2197119ddb00ba1aa3420d05b98c744006c40c9
  • MD5: f9fac49c847b43577d82a62adea404f1

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: ce49754955c7bd36"
        threat_level = "medium"
        first_seen = "2026-05-07"
    condition:
        hash.sha256(0, filesize) == "ce49754955c7bd3656beea94b2197119ddb00ba1aa3420d05b98c744006c40c9"
}

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 ce49754955c7bd3656beea94b2197119ddb00ba1aa3420d05b98c744006c40c9 # MD5 f9fac49c847b43577d82a62adea404f1
TypeValueNote
sha256 ce49754955c7bd3656beea94b2197119ddb00ba1aa3420d05b98c744006c40c9 Sample:MassLogger
md5 f9fac49c847b43577d82a62adea404f1 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi