Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256339c41d27e2bf615ead99fb205aa60c9cbb034154e4ae78c1fedf592ed8cfea7
MD501feb8f50b5195328f27195b0e4d82da
File Typeexe
Size13846.0 KB
First Seen2025-05-31
File Name339c41d27e2bf615ead99fb205aa60c9cbb034154e4ae78c1fedf592ed8cfea7
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: 339c41d27e2bf615ead99fb205aa60c9cbb034154e4ae78c1fedf592ed8cfea7
  • MD5: 01feb8f50b5195328f27195b0e4d82da

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: 339c41d27e2bf615"
        threat_level = "high"
        first_seen = "2025-05-31"
    condition:
        hash.sha256(0, filesize) == "339c41d27e2bf615ead99fb205aa60c9cbb034154e4ae78c1fedf592ed8cfea7"
}

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 339c41d27e2bf615ead99fb205aa60c9cbb034154e4ae78c1fedf592ed8cfea7 # MD5 01feb8f50b5195328f27195b0e4d82da
TypeValueNote
sha256 339c41d27e2bf615ead99fb205aa60c9cbb034154e4ae78c1fedf592ed8cfea7 Sample:Akira
md5 01feb8f50b5195328f27195b0e4d82da Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi