MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256048dee7acb2d6fd7e7e24e4f3d3b825b8277c704c6c71fec66acaa3bff770cfb
MD533535c1c79f91b2c4092bbe95b4a6958
File Typeexe
Size764.5 KB
First Seen2025-08-27
File NameSecuriteInfo.com.Variant.Genie.8DN.1118.7951.10244
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: 048dee7acb2d6fd7e7e24e4f3d3b825b8277c704c6c71fec66acaa3bff770cfb
  • MD5: 33535c1c79f91b2c4092bbe95b4a6958

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: 048dee7acb2d6fd7"
        threat_level = "medium"
        first_seen = "2025-08-27"
    condition:
        hash.sha256(0, filesize) == "048dee7acb2d6fd7e7e24e4f3d3b825b8277c704c6c71fec66acaa3bff770cfb"
}

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 048dee7acb2d6fd7e7e24e4f3d3b825b8277c704c6c71fec66acaa3bff770cfb # MD5 33535c1c79f91b2c4092bbe95b4a6958
TypeValueNote
sha256 048dee7acb2d6fd7e7e24e4f3d3b825b8277c704c6c71fec66acaa3bff770cfb Sample:MassLogger
md5 33535c1c79f91b2c4092bbe95b4a6958 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi