MassLogger | Threat Level: medium | Type: Infostealer
Cryptographic Identifiers
| SHA256 | 904bf09d15e8d50fd0ea28d61ee09d4592f99a56f30dc7ba8603886f03d8e156 |
|---|---|
| MD5 | a01453f61b348a04bb9367e78fa459a7 |
| File Type | exe |
| Size | 814.5 KB |
| First Seen | 2025-06-10 |
| File Name | 904bf09d15e8d50fd0ea28d61ee09d4592f99a56f30dc7ba8603886f03d8e156 |
| Tags | exe, MassLogger |
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:
904bf09d15e8d50fd0ea28d61ee09d4592f99a56f30dc7ba8603886f03d8e156 - MD5:
a01453f61b348a04bb9367e78fa459a7
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: 904bf09d15e8d50f"
threat_level = "medium"
first_seen = "2025-06-10"
condition:
hash.sha256(0, filesize) == "904bf09d15e8d50fd0ea28d61ee09d4592f99a56f30dc7ba8603886f03d8e156"
}
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
904bf09d15e8d50fd0ea28d61ee09d4592f99a56f30dc7ba8603886f03d8e156
# MD5
a01453f61b348a04bb9367e78fa459a7
| Type | Value | Note |
|---|---|---|
| sha256 | 904bf09d15e8d50fd0ea28d61ee09d4592f99a56f30dc7ba8603886f03d8e156 | Sample:MassLogger |
| md5 | a01453f61b348a04bb9367e78fa459a7 | Sample:MassLogger |