MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA2561284bc72f0d418aff47186613d0619a22848687ec42e2686636fd5c4d9a0bd35
MD56068223192504363242b1befbfaf90c6
File Typeexe
Size514.5 KB
First Seen2025-06-17
File NameOrder draft + 2 Others Doc.scr
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: 1284bc72f0d418aff47186613d0619a22848687ec42e2686636fd5c4d9a0bd35
  • MD5: 6068223192504363242b1befbfaf90c6

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: 1284bc72f0d418af"
        threat_level = "medium"
        first_seen = "2025-06-17"
    condition:
        hash.sha256(0, filesize) == "1284bc72f0d418aff47186613d0619a22848687ec42e2686636fd5c4d9a0bd35"
}

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 1284bc72f0d418aff47186613d0619a22848687ec42e2686636fd5c4d9a0bd35 # MD5 6068223192504363242b1befbfaf90c6
TypeValueNote
sha256 1284bc72f0d418aff47186613d0619a22848687ec42e2686636fd5c4d9a0bd35 Sample:MassLogger
md5 6068223192504363242b1befbfaf90c6 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi