Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256def3fe8d07d5370ac6e105b1a7872c77e193b4b39a6e1cc9cfc815a36e909904
MD5ae454079c93a7a1ce276756b9d62d196
File Typeexe
Size1056.5 KB
First Seen2025-08-26
File Namew.exe
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: def3fe8d07d5370ac6e105b1a7872c77e193b4b39a6e1cc9cfc815a36e909904
  • MD5: ae454079c93a7a1ce276756b9d62d196

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: def3fe8d07d5370a"
        threat_level = "high"
        first_seen = "2025-08-26"
    condition:
        hash.sha256(0, filesize) == "def3fe8d07d5370ac6e105b1a7872c77e193b4b39a6e1cc9cfc815a36e909904"
}

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 def3fe8d07d5370ac6e105b1a7872c77e193b4b39a6e1cc9cfc815a36e909904 # MD5 ae454079c93a7a1ce276756b9d62d196
TypeValueNote
sha256 def3fe8d07d5370ac6e105b1a7872c77e193b4b39a6e1cc9cfc815a36e909904 Sample:Akira
md5 ae454079c93a7a1ce276756b9d62d196 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi