MassLogger | Threat Level: medium | Type: Infostealer
Cryptographic Identifiers
| SHA256 | 5fc32757f836c4bac03e3f73d3e7d6866ec64bb54ac4bc7228f3e1d0be3b4aee |
|---|---|
| MD5 | 657ad10f11d6e8b4fc7746bf70f78674 |
| File Type | vbe |
| Size | 1684.6 KB |
| First Seen | 2025-07-26 |
| File Name | ÇİZİM VE BOYUTLAR_xlsx.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:
5fc32757f836c4bac03e3f73d3e7d6866ec64bb54ac4bc7228f3e1d0be3b4aee - MD5:
657ad10f11d6e8b4fc7746bf70f78674
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: 5fc32757f836c4ba"
threat_level = "medium"
first_seen = "2025-07-26"
condition:
hash.sha256(0, filesize) == "5fc32757f836c4bac03e3f73d3e7d6866ec64bb54ac4bc7228f3e1d0be3b4aee"
}
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
5fc32757f836c4bac03e3f73d3e7d6866ec64bb54ac4bc7228f3e1d0be3b4aee
# MD5
657ad10f11d6e8b4fc7746bf70f78674
| Type | Value | Note |
|---|---|---|
| sha256 | 5fc32757f836c4bac03e3f73d3e7d6866ec64bb54ac4bc7228f3e1d0be3b4aee | Sample:MassLogger |
| md5 | 657ad10f11d6e8b4fc7746bf70f78674 | Sample:MassLogger |