MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256d2edbdbb3b80768af3e1b625452dcfb6932d70fedf14df8fe8c4c0ccbbc323f5
MD51d19cd6bf6edec5ef5a1c1cc4f89585f
File Typeexe
Size1052.5 KB
First Seen2025-07-01
File NameSHIPPING DOCS.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: d2edbdbb3b80768af3e1b625452dcfb6932d70fedf14df8fe8c4c0ccbbc323f5
  • MD5: 1d19cd6bf6edec5ef5a1c1cc4f89585f

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: d2edbdbb3b80768a"
        threat_level = "medium"
        first_seen = "2025-07-01"
    condition:
        hash.sha256(0, filesize) == "d2edbdbb3b80768af3e1b625452dcfb6932d70fedf14df8fe8c4c0ccbbc323f5"
}

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 d2edbdbb3b80768af3e1b625452dcfb6932d70fedf14df8fe8c4c0ccbbc323f5 # MD5 1d19cd6bf6edec5ef5a1c1cc4f89585f
TypeValueNote
sha256 d2edbdbb3b80768af3e1b625452dcfb6932d70fedf14df8fe8c4c0ccbbc323f5 Sample:MassLogger
md5 1d19cd6bf6edec5ef5a1c1cc4f89585f Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi