MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA2568007c31e19a9fc2f69d1ddaa299b022585e29162810810078d08144d39f11e65
MD5eb6875efb11a6b7a63b00c59e40a1bf3
File Typeexe
Size1104.0 KB
First Seen2025-06-30
File NameSecuriteInfo.com.Script.SNH-gen.21168.29001
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: 8007c31e19a9fc2f69d1ddaa299b022585e29162810810078d08144d39f11e65
  • MD5: eb6875efb11a6b7a63b00c59e40a1bf3

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: 8007c31e19a9fc2f"
        threat_level = "medium"
        first_seen = "2025-06-30"
    condition:
        hash.sha256(0, filesize) == "8007c31e19a9fc2f69d1ddaa299b022585e29162810810078d08144d39f11e65"
}

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 8007c31e19a9fc2f69d1ddaa299b022585e29162810810078d08144d39f11e65 # MD5 eb6875efb11a6b7a63b00c59e40a1bf3
TypeValueNote
sha256 8007c31e19a9fc2f69d1ddaa299b022585e29162810810078d08144d39f11e65 Sample:MassLogger
md5 eb6875efb11a6b7a63b00c59e40a1bf3 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi