Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25686517343326a99a6c89ee5a1895b43b338214ef945de817c22a2cf37f127c4b4
MD564e4753cab78dcba6072a7c0ba9eeb89
File Typeexe
Size1051.5 KB
First Seen2025-04-19
File Name86517343326a99a6c89ee5a1895b43b338214ef945de817c22a2cf37f127c4b4
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: 86517343326a99a6c89ee5a1895b43b338214ef945de817c22a2cf37f127c4b4
  • MD5: 64e4753cab78dcba6072a7c0ba9eeb89

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: 86517343326a99a6"
        threat_level = "high"
        first_seen = "2025-04-19"
    condition:
        hash.sha256(0, filesize) == "86517343326a99a6c89ee5a1895b43b338214ef945de817c22a2cf37f127c4b4"
}

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 86517343326a99a6c89ee5a1895b43b338214ef945de817c22a2cf37f127c4b4 # MD5 64e4753cab78dcba6072a7c0ba9eeb89
TypeValueNote
sha256 86517343326a99a6c89ee5a1895b43b338214ef945de817c22a2cf37f127c4b4 Sample:Akira
md5 64e4753cab78dcba6072a7c0ba9eeb89 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi