Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256636feebdc134785412571bf29231038768c81ddee60ddd15e7d928754011f898
MD5e05b0b4188cfd2c91c0a328bde9d0e5b
File Typeexe
Size1056.5 KB
First Seen2025-07-06
File Nameakira.exe
Tagsakira, exe

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: 636feebdc134785412571bf29231038768c81ddee60ddd15e7d928754011f898
  • MD5: e05b0b4188cfd2c91c0a328bde9d0e5b

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: 636feebdc1347854"
        threat_level = "high"
        first_seen = "2025-07-06"
    condition:
        hash.sha256(0, filesize) == "636feebdc134785412571bf29231038768c81ddee60ddd15e7d928754011f898"
}

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 636feebdc134785412571bf29231038768c81ddee60ddd15e7d928754011f898 # MD5 e05b0b4188cfd2c91c0a328bde9d0e5b
TypeValueNote
sha256 636feebdc134785412571bf29231038768c81ddee60ddd15e7d928754011f898 Sample:Akira
md5 e05b0b4188cfd2c91c0a328bde9d0e5b Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi