Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256a091fb15074d114bcc16a3575c6053535356c3e8576e50e147b7cf3876d33267
MD5c0a5f20bf77fda622bc93df6caccc626
File Typeexe
Size1050.0 KB
First Seen2025-01-16
File Namea091fb15074d114bcc16a3575c6053535356c3e8576e50e147b7cf3876d33267
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: a091fb15074d114bcc16a3575c6053535356c3e8576e50e147b7cf3876d33267
  • MD5: c0a5f20bf77fda622bc93df6caccc626

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: a091fb15074d114b"
        threat_level = "high"
        first_seen = "2025-01-16"
    condition:
        hash.sha256(0, filesize) == "a091fb15074d114bcc16a3575c6053535356c3e8576e50e147b7cf3876d33267"
}

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 a091fb15074d114bcc16a3575c6053535356c3e8576e50e147b7cf3876d33267 # MD5 c0a5f20bf77fda622bc93df6caccc626
TypeValueNote
sha256 a091fb15074d114bcc16a3575c6053535356c3e8576e50e147b7cf3876d33267 Sample:Akira
md5 c0a5f20bf77fda622bc93df6caccc626 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi