MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA25630d7b8019fbd65ff8e25ba109b663a6440f3f407a5e01a4bcddf7e7bef33eac4
MD5dfac9045c13cd007bbadc487a4305092
File Typeexe
Size669.5 KB
First Seen2025-10-10
File NamePAYMENT TT COPY.exe
Tagsexe, MassLogger, payment

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: 30d7b8019fbd65ff8e25ba109b663a6440f3f407a5e01a4bcddf7e7bef33eac4
  • MD5: dfac9045c13cd007bbadc487a4305092

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: 30d7b8019fbd65ff"
        threat_level = "medium"
        first_seen = "2025-10-10"
    condition:
        hash.sha256(0, filesize) == "30d7b8019fbd65ff8e25ba109b663a6440f3f407a5e01a4bcddf7e7bef33eac4"
}

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 30d7b8019fbd65ff8e25ba109b663a6440f3f407a5e01a4bcddf7e7bef33eac4 # MD5 dfac9045c13cd007bbadc487a4305092
TypeValueNote
sha256 30d7b8019fbd65ff8e25ba109b663a6440f3f407a5e01a4bcddf7e7bef33eac4 Sample:MassLogger
md5 dfac9045c13cd007bbadc487a4305092 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi