MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256d7bb85d9a3ed87066e80d19bcf1aea1803150174f0218ac50b06502f893a1cd0
MD5b47fb48ea681ce799ebebc4c7840b3bb
File Typeexe
Size9.0 KB
First Seen2025-07-03
File NameCONTABILE SALDO FATTURAúPDF.scr
Tagsexe, MassLogger, wenawulus-xyz

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: d7bb85d9a3ed87066e80d19bcf1aea1803150174f0218ac50b06502f893a1cd0
  • MD5: b47fb48ea681ce799ebebc4c7840b3bb

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: d7bb85d9a3ed8706"
        threat_level = "medium"
        first_seen = "2025-07-03"
    condition:
        hash.sha256(0, filesize) == "d7bb85d9a3ed87066e80d19bcf1aea1803150174f0218ac50b06502f893a1cd0"
}

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 d7bb85d9a3ed87066e80d19bcf1aea1803150174f0218ac50b06502f893a1cd0 # MD5 b47fb48ea681ce799ebebc4c7840b3bb
TypeValueNote
sha256 d7bb85d9a3ed87066e80d19bcf1aea1803150174f0218ac50b06502f893a1cd0 Sample:MassLogger
md5 b47fb48ea681ce799ebebc4c7840b3bb Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi