MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256010d08582f3142d2d6a42be6d27a287068fafed0617229ecccf0da051abf3f95
MD5b5a02fe397da66043ee96f3588e5f076
File Typeexe
Size795.0 KB
First Seen2026-06-08
File Name010d08582f3142d2d6a42be6d27a287068fafed0617229ecccf0da051abf3f95
Tagsexe, MassLogger

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: 010d08582f3142d2d6a42be6d27a287068fafed0617229ecccf0da051abf3f95
  • MD5: b5a02fe397da66043ee96f3588e5f076

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: 010d08582f3142d2"
        threat_level = "medium"
        first_seen = "2026-06-08"
    condition:
        hash.sha256(0, filesize) == "010d08582f3142d2d6a42be6d27a287068fafed0617229ecccf0da051abf3f95"
}

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 010d08582f3142d2d6a42be6d27a287068fafed0617229ecccf0da051abf3f95 # MD5 b5a02fe397da66043ee96f3588e5f076
TypeValueNote
sha256 010d08582f3142d2d6a42be6d27a287068fafed0617229ecccf0da051abf3f95 Sample:MassLogger
md5 b5a02fe397da66043ee96f3588e5f076 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi