Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256cb9d4202d4f495091a046b7fc3fdaa9306343b8402b741a45e3add7cafc95eee
MD53ba89bd7dbada6ce288d99dd6f8b8de5
File Typeexe
Size1056.5 KB
First Seen2025-06-25
File Namecb9d4202d4f495091a046b7fc3fdaa9306343b8402b741a45e3add7cafc95eee
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: cb9d4202d4f495091a046b7fc3fdaa9306343b8402b741a45e3add7cafc95eee
  • MD5: 3ba89bd7dbada6ce288d99dd6f8b8de5

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: cb9d4202d4f49509"
        threat_level = "high"
        first_seen = "2025-06-25"
    condition:
        hash.sha256(0, filesize) == "cb9d4202d4f495091a046b7fc3fdaa9306343b8402b741a45e3add7cafc95eee"
}

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 cb9d4202d4f495091a046b7fc3fdaa9306343b8402b741a45e3add7cafc95eee # MD5 3ba89bd7dbada6ce288d99dd6f8b8de5
TypeValueNote
sha256 cb9d4202d4f495091a046b7fc3fdaa9306343b8402b741a45e3add7cafc95eee Sample:Akira
md5 3ba89bd7dbada6ce288d99dd6f8b8de5 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi