MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256ab347c440065310d18af04c57dc81bc3c6b488c11623e3da2254ea5c45dbd76a
MD531fb1582154914d838ea250060b69fd4
File Typevbs
Size1778.9 KB
First Seen2026-06-22
File Nameorden.vbs
TagsMassLogger, vbs

Malware Family: MassLogger

MassLogger, email tabanlı keylogger'dır.

TypeInfostealer
Programming LanguageC#/.NET
Target PlatformWindows
C2 ProtocolSMTP/FTP
PurposeEmail keylogger
First Seen Year2020

Threat Indicators (IOC)

  • SHA256: ab347c440065310d18af04c57dc81bc3c6b488c11623e3da2254ea5c45dbd76a
  • MD5: 31fb1582154914d838ea250060b69fd4

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: ab347c440065310d"
        threat_level = "medium"
        first_seen = "2026-06-22"
    condition:
        hash.sha256(0, filesize) == "ab347c440065310d18af04c57dc81bc3c6b488c11623e3da2254ea5c45dbd76a"
}

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 ab347c440065310d18af04c57dc81bc3c6b488c11623e3da2254ea5c45dbd76a # MD5 31fb1582154914d838ea250060b69fd4
TypeValueNote
sha256 ab347c440065310d18af04c57dc81bc3c6b488c11623e3da2254ea5c45dbd76a Sample:MassLogger
md5 31fb1582154914d838ea250060b69fd4 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi