Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256c8c7515ca777b92b6f6a355e0ff5d0f4f712bb13d6d5735789a09fc3ed7de8fa
MD5b58814c0d3e05a164e26674647f331d5
File Typeexe
Size1056.5 KB
First Seen2025-06-29
File Namec8c7515ca777b92b6f6a355e0ff5d0f4f712bb13d6d5735789a09fc3ed7de8fa
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: c8c7515ca777b92b6f6a355e0ff5d0f4f712bb13d6d5735789a09fc3ed7de8fa
  • MD5: b58814c0d3e05a164e26674647f331d5

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: c8c7515ca777b92b"
        threat_level = "high"
        first_seen = "2025-06-29"
    condition:
        hash.sha256(0, filesize) == "c8c7515ca777b92b6f6a355e0ff5d0f4f712bb13d6d5735789a09fc3ed7de8fa"
}

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 c8c7515ca777b92b6f6a355e0ff5d0f4f712bb13d6d5735789a09fc3ed7de8fa # MD5 b58814c0d3e05a164e26674647f331d5
TypeValueNote
sha256 c8c7515ca777b92b6f6a355e0ff5d0f4f712bb13d6d5735789a09fc3ed7de8fa Sample:Akira
md5 b58814c0d3e05a164e26674647f331d5 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi