MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA25670c4ce6e82ff2211e86387f9948bb2b76bdf3a81f99285b68925b47aff57a71f
MD587ce7cd9ebc2f932c32b0b7018c36f01
File Typeexe
Size699.5 KB
First Seen2026-02-13
File NameSecuriteInfo.com.Win32.MalwareX-gen.27935397
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: 70c4ce6e82ff2211e86387f9948bb2b76bdf3a81f99285b68925b47aff57a71f
  • MD5: 87ce7cd9ebc2f932c32b0b7018c36f01

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: 70c4ce6e82ff2211"
        threat_level = "medium"
        first_seen = "2026-02-13"
    condition:
        hash.sha256(0, filesize) == "70c4ce6e82ff2211e86387f9948bb2b76bdf3a81f99285b68925b47aff57a71f"
}

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 70c4ce6e82ff2211e86387f9948bb2b76bdf3a81f99285b68925b47aff57a71f # MD5 87ce7cd9ebc2f932c32b0b7018c36f01
TypeValueNote
sha256 70c4ce6e82ff2211e86387f9948bb2b76bdf3a81f99285b68925b47aff57a71f Sample:MassLogger
md5 87ce7cd9ebc2f932c32b0b7018c36f01 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi