Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA2565c6cce76a28898a242265b4eb3a3b14558dfb9a67319cfe0ac0bd175addb5b9a
MD54d79fb750955ec8702cb79cfdb36e66b
File Typeexe
Size1056.5 KB
First Seen2025-05-20
File Name5c6cce76a28898a242265b4eb3a3b14558dfb9a67319cfe0ac0bd175addb5b9a
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: 5c6cce76a28898a242265b4eb3a3b14558dfb9a67319cfe0ac0bd175addb5b9a
  • MD5: 4d79fb750955ec8702cb79cfdb36e66b

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: 5c6cce76a28898a2"
        threat_level = "high"
        first_seen = "2025-05-20"
    condition:
        hash.sha256(0, filesize) == "5c6cce76a28898a242265b4eb3a3b14558dfb9a67319cfe0ac0bd175addb5b9a"
}

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 5c6cce76a28898a242265b4eb3a3b14558dfb9a67319cfe0ac0bd175addb5b9a # MD5 4d79fb750955ec8702cb79cfdb36e66b
TypeValueNote
sha256 5c6cce76a28898a242265b4eb3a3b14558dfb9a67319cfe0ac0bd175addb5b9a Sample:Akira
md5 4d79fb750955ec8702cb79cfdb36e66b Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi