Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25605b9f915afb91b36115a25cec09270f2119922488b9224d8b3a49caefae54ab7
MD5b5335e99a3caabd96f758504a70f8f6e
File Typeexe
Size1005.0 KB
First Seen2025-06-05
File Name05b9f915afb91b36115a25cec09270f2119922488b9224d8b3a49caefae54ab7
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: 05b9f915afb91b36115a25cec09270f2119922488b9224d8b3a49caefae54ab7
  • MD5: b5335e99a3caabd96f758504a70f8f6e

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: 05b9f915afb91b36"
        threat_level = "high"
        first_seen = "2025-06-05"
    condition:
        hash.sha256(0, filesize) == "05b9f915afb91b36115a25cec09270f2119922488b9224d8b3a49caefae54ab7"
}

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 05b9f915afb91b36115a25cec09270f2119922488b9224d8b3a49caefae54ab7 # MD5 b5335e99a3caabd96f758504a70f8f6e
TypeValueNote
sha256 05b9f915afb91b36115a25cec09270f2119922488b9224d8b3a49caefae54ab7 Sample:Akira
md5 b5335e99a3caabd96f758504a70f8f6e Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi