MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256db9adc8b5f02fea4b24d60a06bda7ddf2c19f07954ded7de8659993273182fbb
MD584a41391f21eb95c87ee57fdd70d644e
File Typevbe
Size966.9 KB
First Seen2025-07-08
File NameDoc_0707251230005.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: db9adc8b5f02fea4b24d60a06bda7ddf2c19f07954ded7de8659993273182fbb
  • MD5: 84a41391f21eb95c87ee57fdd70d644e

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: db9adc8b5f02fea4"
        threat_level = "medium"
        first_seen = "2025-07-08"
    condition:
        hash.sha256(0, filesize) == "db9adc8b5f02fea4b24d60a06bda7ddf2c19f07954ded7de8659993273182fbb"
}

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 db9adc8b5f02fea4b24d60a06bda7ddf2c19f07954ded7de8659993273182fbb # MD5 84a41391f21eb95c87ee57fdd70d644e
TypeValueNote
sha256 db9adc8b5f02fea4b24d60a06bda7ddf2c19f07954ded7de8659993273182fbb Sample:MassLogger
md5 84a41391f21eb95c87ee57fdd70d644e Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi