MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256cb2067c738b449d76478d847f8ecf7025835c61612153a48d68cfa00283498f8
MD5c33c854070bd102090c33668dff6e9c0
File Typeexe
Size593.5 KB
First Seen2025-09-24
File NameDAMAGE CONTAIBER PHOTOS.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: cb2067c738b449d76478d847f8ecf7025835c61612153a48d68cfa00283498f8
  • MD5: c33c854070bd102090c33668dff6e9c0

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: cb2067c738b449d7"
        threat_level = "medium"
        first_seen = "2025-09-24"
    condition:
        hash.sha256(0, filesize) == "cb2067c738b449d76478d847f8ecf7025835c61612153a48d68cfa00283498f8"
}

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 cb2067c738b449d76478d847f8ecf7025835c61612153a48d68cfa00283498f8 # MD5 c33c854070bd102090c33668dff6e9c0
TypeValueNote
sha256 cb2067c738b449d76478d847f8ecf7025835c61612153a48d68cfa00283498f8 Sample:MassLogger
md5 c33c854070bd102090c33668dff6e9c0 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi