Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256868b634bddaa6ee0ddb2af98ec0c82747cd5ed607fc867b563ca773603583c02
MD553465ddd5d3d663cbb11538a4eb4ea94
File Typeexe
Size14322.4 KB
First Seen2025-05-31
File Name868b634bddaa6ee0ddb2af98ec0c82747cd5ed607fc867b563ca773603583c02
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: 868b634bddaa6ee0ddb2af98ec0c82747cd5ed607fc867b563ca773603583c02
  • MD5: 53465ddd5d3d663cbb11538a4eb4ea94

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: 868b634bddaa6ee0"
        threat_level = "high"
        first_seen = "2025-05-31"
    condition:
        hash.sha256(0, filesize) == "868b634bddaa6ee0ddb2af98ec0c82747cd5ed607fc867b563ca773603583c02"
}

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 868b634bddaa6ee0ddb2af98ec0c82747cd5ed607fc867b563ca773603583c02 # MD5 53465ddd5d3d663cbb11538a4eb4ea94
TypeValueNote
sha256 868b634bddaa6ee0ddb2af98ec0c82747cd5ed607fc867b563ca773603583c02 Sample:Akira
md5 53465ddd5d3d663cbb11538a4eb4ea94 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi