MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA25647932ba0d706326d521e69e031c37a78b5b6adbba94e7960deb2b9865ec6f76b
MD5d794eadcce12a9ddb5eda79caf89af6e
File Typeexe
Size968.5 KB
First Seen2025-07-10
File NamePRRKEHO.1187.85242545.250710.exe
Tagsexe, MassLogger

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: 47932ba0d706326d521e69e031c37a78b5b6adbba94e7960deb2b9865ec6f76b
  • MD5: d794eadcce12a9ddb5eda79caf89af6e

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: 47932ba0d706326d"
        threat_level = "medium"
        first_seen = "2025-07-10"
    condition:
        hash.sha256(0, filesize) == "47932ba0d706326d521e69e031c37a78b5b6adbba94e7960deb2b9865ec6f76b"
}

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 47932ba0d706326d521e69e031c37a78b5b6adbba94e7960deb2b9865ec6f76b # MD5 d794eadcce12a9ddb5eda79caf89af6e
TypeValueNote
sha256 47932ba0d706326d521e69e031c37a78b5b6adbba94e7960deb2b9865ec6f76b Sample:MassLogger
md5 d794eadcce12a9ddb5eda79caf89af6e Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi