Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256c6ede98801eb47fd2390c23064fb0b8a78c17a222926d2f6ba0d7ea8c622ded2
MD5a99266340fb6880f8e0a8744b23a8b03
File Typeexe
Size1056.5 KB
First Seen2025-04-19
File Namec6ede98801eb47fd2390c23064fb0b8a78c17a222926d2f6ba0d7ea8c622ded2
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: c6ede98801eb47fd2390c23064fb0b8a78c17a222926d2f6ba0d7ea8c622ded2
  • MD5: a99266340fb6880f8e0a8744b23a8b03

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: c6ede98801eb47fd"
        threat_level = "high"
        first_seen = "2025-04-19"
    condition:
        hash.sha256(0, filesize) == "c6ede98801eb47fd2390c23064fb0b8a78c17a222926d2f6ba0d7ea8c622ded2"
}

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 c6ede98801eb47fd2390c23064fb0b8a78c17a222926d2f6ba0d7ea8c622ded2 # MD5 a99266340fb6880f8e0a8744b23a8b03
TypeValueNote
sha256 c6ede98801eb47fd2390c23064fb0b8a78c17a222926d2f6ba0d7ea8c622ded2 Sample:Akira
md5 a99266340fb6880f8e0a8744b23a8b03 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi