MassLogger | Threat Level: medium | Type: Infostealer
Cryptographic Identifiers
| SHA256 | b8662a3186a33f8b9f91351e0bb0f507b8ad335ddc11e6a2e162e075b10cc8fe |
|---|---|
| MD5 | a34a48c59cdb0cd8ee9bf498b7566534 |
| File Type | vbe |
| Size | 544.2 KB |
| First Seen | 2025-10-14 |
| File Name | TEKLİF FORMU 15635.VBE |
| Tags | geo, MassLogger, TUR, vbe |
Malware Family: MassLogger
MassLogger, email keylogger'dır.
| Type | Infostealer |
|---|---|
| Programming Language | C#/.NET |
| Target Platform | Windows |
| C2 Protocol | SMTP/FTP |
| Purpose | Email keylogger |
| First Seen Year | 2020 |
Threat Indicators (IOC)
- SHA256:
b8662a3186a33f8b9f91351e0bb0f507b8ad335ddc11e6a2e162e075b10cc8fe - MD5:
a34a48c59cdb0cd8ee9bf498b7566534
You can verify all hash values of this sample on VirusTotal.
System Cleanup Guide
- Disconnect the system from the network immediately
- Yeni bir cihazdan banka hesabı, sosyal medya ve e-posta şifrelerini değiştirin
- Move crypto wallets to a new address and abandon the old ones
- Start a full scan with up-to-date antivirus
- Clear saved browser passwords and enable 2FA
- Sign out of all sessions on every affected service
YARA Rule Hints
rule MassLogger_SHA256 {
meta:
description = "MassLogger sample: b8662a3186a33f8b"
threat_level = "medium"
first_seen = "2025-10-14"
condition:
hash.sha256(0, filesize) == "b8662a3186a33f8b9f91351e0bb0f507b8ad335ddc11e6a2e162e075b10cc8fe"
}
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
b8662a3186a33f8b9f91351e0bb0f507b8ad335ddc11e6a2e162e075b10cc8fe
# MD5
a34a48c59cdb0cd8ee9bf498b7566534
| Type | Value | Note |
|---|---|---|
| sha256 | b8662a3186a33f8b9f91351e0bb0f507b8ad335ddc11e6a2e162e075b10cc8fe | Sample:MassLogger |
| md5 | a34a48c59cdb0cd8ee9bf498b7566534 | Sample:MassLogger |