Remcos | Threat Level: high | Type: RAT

Cryptographic Identifiers

SHA256a08482db6c0e5f88057d98e980938e6531d275bf9cd036113d8bab6775157d43
MD5c3bad852b230a6d21fdfffb1901e0619
File Typezip
Size860.9 KB
First Seen2025-08-11
File Namea08482db6c0e5f88057d98e980938e6531d275bf9cd036113d8bab6775157d43
Tagsremcos, RemcosRAT, zip

Malware Family: Remcos

Remcos, kötüye kullanılan RAT'tır.

TypeRAT
Programming LanguageC++
Target PlatformWindows
C2 ProtocolTCP/SSL
PurposeUzaktan izleme, tuş kaydı
First Seen Year2016
AliasesRemcosRAT

Threat Indicators (IOC)

  • SHA256: a08482db6c0e5f88057d98e980938e6531d275bf9cd036113d8bab6775157d43
  • MD5: c3bad852b230a6d21fdfffb1901e0619

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Disconnect the system from the network — unplug ethernet, disable Wi-Fi
  2. Terminate suspicious processes from Task Manager
  3. Run a full system scan with Malwarebytes or Kaspersky
  4. HKCU\Software\Microsoft\Windows\CurrentVersion\Run kayıtlarını kontrol edin
  5. Review newly created tasks in Task Scheduler
  6. Change all your account passwords from a clean device
  7. Gerekirse Windows'u yeniden yükleyin ve verilerinizi temiz bir yedeğe geri alın

YARA Rule Hints

rule Remcos_SHA256 {
    meta:
        description = "Remcos sample: a08482db6c0e5f88"
        threat_level = "high"
        first_seen = "2025-08-11"
    condition:
        hash.sha256(0, filesize) == "a08482db6c0e5f88057d98e980938e6531d275bf9cd036113d8bab6775157d43"
}

Remcos — Malware Profile

RemcosRAT. SCAN DOC LOI.r00 multipart RAR. French LOI law lure. Five c2 substrings. Breaking-Security developer.

Malware Type
RAT
Programming Language
C++
C2 Protocol
TCP/SSL
Target Systems
Windows
Also Known As (AKA)
RemcosRAT

Capabilities & Behavior

Uzaktan Erişim & Kontrol
Keylogger
Ekran Görüntüsü
Webcam Erişimi
Dosya Yönetimi
Süreç Yönetimi
Komut Yürütme
Kalıcılık Mekanizması

IOC List (2 indicators)

IOC — Remcos
# SHA256 a08482db6c0e5f88057d98e980938e6531d275bf9cd036113d8bab6775157d43 # MD5 c3bad852b230a6d21fdfffb1901e0619
TypeValueNote
sha256 a08482db6c0e5f88057d98e980938e6531d275bf9cd036113d8bab6775157d43 Sample:Remcos
md5 c3bad852b230a6d21fdfffb1901e0619 Sample:Remcos

C2 Servers (3 recorded servers for this family)

Address Type Port Protocol Status Country
BreakingSecurity.net domain — HTTP active —
pro.ip-api.com domain — HTTP active —
UNKNOWN_HOST unknown 20343 TCP inactive —

C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.

Tags
remcosratmalwarehighsha256hash-analizi