MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256af1e4e322e5b463174febf86b0f8503ce89385dfc94671de61ece1f1c92a9065
MD56933b222e19f0236e23c6bda03a24c10
File Typejs
Size3866.9 KB
First Seen2026-06-16
File NameENQ. # 11791-7DKRC-SA.js
Tagsjs, 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: af1e4e322e5b463174febf86b0f8503ce89385dfc94671de61ece1f1c92a9065
  • MD5: 6933b222e19f0236e23c6bda03a24c10

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: af1e4e322e5b4631"
        threat_level = "medium"
        first_seen = "2026-06-16"
    condition:
        hash.sha256(0, filesize) == "af1e4e322e5b463174febf86b0f8503ce89385dfc94671de61ece1f1c92a9065"
}

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 af1e4e322e5b463174febf86b0f8503ce89385dfc94671de61ece1f1c92a9065 # MD5 6933b222e19f0236e23c6bda03a24c10
TypeValueNote
sha256 af1e4e322e5b463174febf86b0f8503ce89385dfc94671de61ece1f1c92a9065 Sample:MassLogger
md5 6933b222e19f0236e23c6bda03a24c10 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi