MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256b6cd984ed31123480cbc24bcfc796c942e6b462202d1deb32fb366454f278ef5
MD52ddb7d4a880d4db27171a8774a0402ac
File Typeexe
Size16053.0 KB
First Seen2025-09-01
File Namemsedge_elf.dll
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: b6cd984ed31123480cbc24bcfc796c942e6b462202d1deb32fb366454f278ef5
  • MD5: 2ddb7d4a880d4db27171a8774a0402ac

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: b6cd984ed3112348"
        threat_level = "medium"
        first_seen = "2025-09-01"
    condition:
        hash.sha256(0, filesize) == "b6cd984ed31123480cbc24bcfc796c942e6b462202d1deb32fb366454f278ef5"
}

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 b6cd984ed31123480cbc24bcfc796c942e6b462202d1deb32fb366454f278ef5 # MD5 2ddb7d4a880d4db27171a8774a0402ac
TypeValueNote
sha256 b6cd984ed31123480cbc24bcfc796c942e6b462202d1deb32fb366454f278ef5 Sample:MassLogger
md5 2ddb7d4a880d4db27171a8774a0402ac Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi