MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA2562d8bbcadfe1614de3baaf2a4cd63b1f7d566d5535571c2a59f4d48ca1539b92c
MD57048bfb20dfe67f63270eb177c100354
File Typevbe
Size546.4 KB
First Seen2025-10-14
File NameCMD_113100.VBE
TagsMassLogger, vbe

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: 2d8bbcadfe1614de3baaf2a4cd63b1f7d566d5535571c2a59f4d48ca1539b92c
  • MD5: 7048bfb20dfe67f63270eb177c100354

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: 2d8bbcadfe1614de"
        threat_level = "medium"
        first_seen = "2025-10-14"
    condition:
        hash.sha256(0, filesize) == "2d8bbcadfe1614de3baaf2a4cd63b1f7d566d5535571c2a59f4d48ca1539b92c"
}

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 2d8bbcadfe1614de3baaf2a4cd63b1f7d566d5535571c2a59f4d48ca1539b92c # MD5 7048bfb20dfe67f63270eb177c100354
TypeValueNote
sha256 2d8bbcadfe1614de3baaf2a4cd63b1f7d566d5535571c2a59f4d48ca1539b92c Sample:MassLogger
md5 7048bfb20dfe67f63270eb177c100354 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi