MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256680dcad96b8efbfa87969a7b07986c0fba32db3cad94dac19e13ef549219c670
MD578a054292d26a4579f0e0b02956df25b
File Typevbe
Size825.5 KB
First Seen2025-06-20
File NameEKSTRE_20.06.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: 680dcad96b8efbfa87969a7b07986c0fba32db3cad94dac19e13ef549219c670
  • MD5: 78a054292d26a4579f0e0b02956df25b

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: 680dcad96b8efbfa"
        threat_level = "medium"
        first_seen = "2025-06-20"
    condition:
        hash.sha256(0, filesize) == "680dcad96b8efbfa87969a7b07986c0fba32db3cad94dac19e13ef549219c670"
}

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 680dcad96b8efbfa87969a7b07986c0fba32db3cad94dac19e13ef549219c670 # MD5 78a054292d26a4579f0e0b02956df25b
TypeValueNote
sha256 680dcad96b8efbfa87969a7b07986c0fba32db3cad94dac19e13ef549219c670 Sample:MassLogger
md5 78a054292d26a4579f0e0b02956df25b Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi