MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256ed176f460e5f76d881ca4d09b25e1bedac9be458ea6bdd52860515d112c6737f
MD54efdb71b0de2d941790824c91674c83a
File Typeexe
Size533.5 KB
First Seen2025-06-10
File Nameed176f460e5f76d881ca4d09b25e1bedac9be458ea6bdd52860515d112c6737f
Tagsexe, 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: ed176f460e5f76d881ca4d09b25e1bedac9be458ea6bdd52860515d112c6737f
  • MD5: 4efdb71b0de2d941790824c91674c83a

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: ed176f460e5f76d8"
        threat_level = "medium"
        first_seen = "2025-06-10"
    condition:
        hash.sha256(0, filesize) == "ed176f460e5f76d881ca4d09b25e1bedac9be458ea6bdd52860515d112c6737f"
}

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 ed176f460e5f76d881ca4d09b25e1bedac9be458ea6bdd52860515d112c6737f # MD5 4efdb71b0de2d941790824c91674c83a
TypeValueNote
sha256 ed176f460e5f76d881ca4d09b25e1bedac9be458ea6bdd52860515d112c6737f Sample:MassLogger
md5 4efdb71b0de2d941790824c91674c83a Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi