MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256c7da4eb7dfd104e9158f6ff4877728b5fc07f0996e4c4a6e64c9c9a7a7ece85b
MD5691044a0bc550bdedc62c6d7697fb3d3
File Typeps1
Size1064.5 KB
First Seen2026-01-19
File NameENCRYPTED.ps1
Tags91-92-243-254, MassLogger, ps1, reports10-gtpv-online

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: c7da4eb7dfd104e9158f6ff4877728b5fc07f0996e4c4a6e64c9c9a7a7ece85b
  • MD5: 691044a0bc550bdedc62c6d7697fb3d3

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: c7da4eb7dfd104e9"
        threat_level = "medium"
        first_seen = "2026-01-19"
    condition:
        hash.sha256(0, filesize) == "c7da4eb7dfd104e9158f6ff4877728b5fc07f0996e4c4a6e64c9c9a7a7ece85b"
}

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 c7da4eb7dfd104e9158f6ff4877728b5fc07f0996e4c4a6e64c9c9a7a7ece85b # MD5 691044a0bc550bdedc62c6d7697fb3d3
TypeValueNote
sha256 c7da4eb7dfd104e9158f6ff4877728b5fc07f0996e4c4a6e64c9c9a7a7ece85b Sample:MassLogger
md5 691044a0bc550bdedc62c6d7697fb3d3 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi