Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA2561ed8c04e2e91c9db7b88f818cc7d8f043f674d1898c182b6390acaa9fbb251aa
MD591ae179fb34f7f1203c2aa01d2b4e30f
File Typeexe
Size969.0 KB
First Seen2025-06-11
File Name1ed8c04e2e91c9db7b88f818cc7d8f043f674d1898c182b6390acaa9fbb251aa
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: 1ed8c04e2e91c9db7b88f818cc7d8f043f674d1898c182b6390acaa9fbb251aa
  • MD5: 91ae179fb34f7f1203c2aa01d2b4e30f

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: 1ed8c04e2e91c9db"
        threat_level = "high"
        first_seen = "2025-06-11"
    condition:
        hash.sha256(0, filesize) == "1ed8c04e2e91c9db7b88f818cc7d8f043f674d1898c182b6390acaa9fbb251aa"
}

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 1ed8c04e2e91c9db7b88f818cc7d8f043f674d1898c182b6390acaa9fbb251aa # MD5 91ae179fb34f7f1203c2aa01d2b4e30f
TypeValueNote
sha256 1ed8c04e2e91c9db7b88f818cc7d8f043f674d1898c182b6390acaa9fbb251aa Sample:Akira
md5 91ae179fb34f7f1203c2aa01d2b4e30f Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi