MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256af60f6448e10012d575ca88300966151294e7011090656ec4d5d8137ff29152d
MD5afcc8012f9dc7f5dd5ca0e9c7a01639b
File Typeexe
Size10.0 KB
First Seen2025-06-30
File NameOutstanding Balance�PDF.scr
Tagsexe, MassLogger, wenawulus-xyz

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: af60f6448e10012d575ca88300966151294e7011090656ec4d5d8137ff29152d
  • MD5: afcc8012f9dc7f5dd5ca0e9c7a01639b

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: af60f6448e10012d"
        threat_level = "medium"
        first_seen = "2025-06-30"
    condition:
        hash.sha256(0, filesize) == "af60f6448e10012d575ca88300966151294e7011090656ec4d5d8137ff29152d"
}

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 af60f6448e10012d575ca88300966151294e7011090656ec4d5d8137ff29152d # MD5 afcc8012f9dc7f5dd5ca0e9c7a01639b
TypeValueNote
sha256 af60f6448e10012d575ca88300966151294e7011090656ec4d5d8137ff29152d Sample:MassLogger
md5 afcc8012f9dc7f5dd5ca0e9c7a01639b Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi