MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256193a995a2533e876687cc8018b4ec7c69e27435b5788fab066d9389ba539cad7
MD578c513b03b754e640760d07c2ede0b3d
File Typeexe
Size864.0 KB
First Seen2026-06-02
File NameINQUIRY- SSQ2026.4953.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: 193a995a2533e876687cc8018b4ec7c69e27435b5788fab066d9389ba539cad7
  • MD5: 78c513b03b754e640760d07c2ede0b3d

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: 193a995a2533e876"
        threat_level = "medium"
        first_seen = "2026-06-02"
    condition:
        hash.sha256(0, filesize) == "193a995a2533e876687cc8018b4ec7c69e27435b5788fab066d9389ba539cad7"
}

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 193a995a2533e876687cc8018b4ec7c69e27435b5788fab066d9389ba539cad7 # MD5 78c513b03b754e640760d07c2ede0b3d
TypeValueNote
sha256 193a995a2533e876687cc8018b4ec7c69e27435b5788fab066d9389ba539cad7 Sample:MassLogger
md5 78c513b03b754e640760d07c2ede0b3d Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi