MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256dd762de25b94a493d115906421412af660db77916a2a09baa40be5a9fcbf63d1
MD5d3ed771b5b17424d0b3eabb3d32b7b09
File Typeexe
Size685.5 KB
First Seen2025-06-27
File Namedd762de25b94a493d115906421412af660db77916a2a09baa40be5a9fcbf63d1
Tags213-209-150-18, exe, 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: dd762de25b94a493d115906421412af660db77916a2a09baa40be5a9fcbf63d1
  • MD5: d3ed771b5b17424d0b3eabb3d32b7b09

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: dd762de25b94a493"
        threat_level = "medium"
        first_seen = "2025-06-27"
    condition:
        hash.sha256(0, filesize) == "dd762de25b94a493d115906421412af660db77916a2a09baa40be5a9fcbf63d1"
}

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 dd762de25b94a493d115906421412af660db77916a2a09baa40be5a9fcbf63d1 # MD5 d3ed771b5b17424d0b3eabb3d32b7b09
TypeValueNote
sha256 dd762de25b94a493d115906421412af660db77916a2a09baa40be5a9fcbf63d1 Sample:MassLogger
md5 d3ed771b5b17424d0b3eabb3d32b7b09 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi