MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA2560615d30b8f0c63e05a93fa1ae6ed3754c5cbb12120ea3b8bad636c4f5f81cac2
MD52c6cd6546f2b09ac8650ec999e911e62
File Typeexe
Size688.5 KB
First Seen2026-05-20
File NameDokaz_o_uplati.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: 0615d30b8f0c63e05a93fa1ae6ed3754c5cbb12120ea3b8bad636c4f5f81cac2
  • MD5: 2c6cd6546f2b09ac8650ec999e911e62

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: 0615d30b8f0c63e0"
        threat_level = "medium"
        first_seen = "2026-05-20"
    condition:
        hash.sha256(0, filesize) == "0615d30b8f0c63e05a93fa1ae6ed3754c5cbb12120ea3b8bad636c4f5f81cac2"
}

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 0615d30b8f0c63e05a93fa1ae6ed3754c5cbb12120ea3b8bad636c4f5f81cac2 # MD5 2c6cd6546f2b09ac8650ec999e911e62
TypeValueNote
sha256 0615d30b8f0c63e05a93fa1ae6ed3754c5cbb12120ea3b8bad636c4f5f81cac2 Sample:MassLogger
md5 2c6cd6546f2b09ac8650ec999e911e62 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi