Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256049a593fd540d78840d000d2fa6046e8d28279376ef61e5ccc8f74dd49f1c498
MD548912431b3d2780430c6afc696f342b8
File Typeexe
Size1005.0 KB
First Seen2025-06-05
File Name049a593fd540d78840d000d2fa6046e8d28279376ef61e5ccc8f74dd49f1c498
Tagsakira, exe, Ransomware

Malware Family: Akira

Akira, Cisco VPN açıklarını hedefler.

TypeRansomware
Programming LanguageC++
Target PlatformWindows/Linux
C2 Protocol
PurposeCisco VPN ransomware
First Seen Year2023

Threat Indicators (IOC)

  • SHA256: 049a593fd540d78840d000d2fa6046e8d28279376ef61e5ccc8f74dd49f1c498
  • MD5: 48912431b3d2780430c6afc696f342b8

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

System Cleanup Guide

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. Do not pay the ransom — there is no guarantee your files will be restored
  3. Quarantine the affected drives
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Try available decryptor tools (the NoMoreRansom project)
  6. Report the incident to the authorities (cybercrime unit)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

YARA Rule Hints

rule Akira_SHA256 {
    meta:
        description = "Akira sample: 049a593fd540d788"
        threat_level = "high"
        first_seen = "2025-06-05"
    condition:
        hash.sha256(0, filesize) == "049a593fd540d78840d000d2fa6046e8d28279376ef61e5ccc8f74dd49f1c498"
}

Akira — Malware Profile

Akira ransomware RaaS. akiralkzxzq Tor sizdirma sitesi. .akira uzantisi. akira_readme.txt fidye notu. SleepEx anti-debug.

Malware Type
Ransomware
Programming Language
C++
C2 Protocol
Target Systems
Windows/Linux

Technical Details

Ransomware ailesi: AES/RSA hibrid sifreleme, dosya uzantisi degistirme, shadow copy silme, C2 ile anahtar alis-verisi, fidye notu birakma, kullanici belgelerine odaklanma

Capabilities & Behavior

Dosya Şifreleme (AES/RSA)
Gölge Kopya Silme
Yedek Kaldırma
Fidye Notu Oluşturma
Kalıcılık Sağlama
Ağ Paylaşımı Şifreleme
Anti-Analiz Teknikleri
Çift Gasp (Data Leak)

IOC List (2 indicators)

IOC — Akira
# SHA256 049a593fd540d78840d000d2fa6046e8d28279376ef61e5ccc8f74dd49f1c498 # MD5 48912431b3d2780430c6afc696f342b8
TypeValueNote
sha256 049a593fd540d78840d000d2fa6046e8d28279376ef61e5ccc8f74dd49f1c498 Sample:Akira
md5 48912431b3d2780430c6afc696f342b8 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi