MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256da070585a2cf7323ae4b8d990a487dd638ceed4e86f0158d0b2406366bb3b526
MD5b24984b47b40c00acec47d19d3938178
File Typeexe
Size1045.1 KB
First Seen2025-06-24
File NameTOURS REQUEST.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: da070585a2cf7323ae4b8d990a487dd638ceed4e86f0158d0b2406366bb3b526
  • MD5: b24984b47b40c00acec47d19d3938178

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: da070585a2cf7323"
        threat_level = "medium"
        first_seen = "2025-06-24"
    condition:
        hash.sha256(0, filesize) == "da070585a2cf7323ae4b8d990a487dd638ceed4e86f0158d0b2406366bb3b526"
}

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 da070585a2cf7323ae4b8d990a487dd638ceed4e86f0158d0b2406366bb3b526 # MD5 b24984b47b40c00acec47d19d3938178
TypeValueNote
sha256 da070585a2cf7323ae4b8d990a487dd638ceed4e86f0158d0b2406366bb3b526 Sample:MassLogger
md5 b24984b47b40c00acec47d19d3938178 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi