MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA2560715c37f8d60b890cd42852ca060ba05915322095c2b82b86aa2153e2bc175b6
MD50a106bb4ff9324f48360ffb4123ff563
File Typeexe
Size1011.5 KB
First Seen2025-07-07
File Name0715c37f8d60b890cd42852ca060ba05915322095c2b82b86aa2153e2bc175b6
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: 0715c37f8d60b890cd42852ca060ba05915322095c2b82b86aa2153e2bc175b6
  • MD5: 0a106bb4ff9324f48360ffb4123ff563

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: 0715c37f8d60b890"
        threat_level = "medium"
        first_seen = "2025-07-07"
    condition:
        hash.sha256(0, filesize) == "0715c37f8d60b890cd42852ca060ba05915322095c2b82b86aa2153e2bc175b6"
}

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 0715c37f8d60b890cd42852ca060ba05915322095c2b82b86aa2153e2bc175b6 # MD5 0a106bb4ff9324f48360ffb4123ff563
TypeValueNote
sha256 0715c37f8d60b890cd42852ca060ba05915322095c2b82b86aa2153e2bc175b6 Sample:MassLogger
md5 0a106bb4ff9324f48360ffb4123ff563 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi