MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA2560679dd44cdce1913ff9d42975212813477b4de1c2f34772dec8233b541971814
MD5cca4bb4e9174d4765d7309181d08c31c
File Typevbe
Size825.5 KB
First Seen2025-06-20
File Namerrr9007765hk.vbe
TagsMassLogger, vbe

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: 0679dd44cdce1913ff9d42975212813477b4de1c2f34772dec8233b541971814
  • MD5: cca4bb4e9174d4765d7309181d08c31c

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: 0679dd44cdce1913"
        threat_level = "medium"
        first_seen = "2025-06-20"
    condition:
        hash.sha256(0, filesize) == "0679dd44cdce1913ff9d42975212813477b4de1c2f34772dec8233b541971814"
}

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 0679dd44cdce1913ff9d42975212813477b4de1c2f34772dec8233b541971814 # MD5 cca4bb4e9174d4765d7309181d08c31c
TypeValueNote
sha256 0679dd44cdce1913ff9d42975212813477b4de1c2f34772dec8233b541971814 Sample:MassLogger
md5 cca4bb4e9174d4765d7309181d08c31c Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi