Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25612ac468ca39874cfcd3e75239aa3d7e10fad6d0546515b2aa28e92c2c01ad715
MD50e8c4d7dba3c9d20a70c529adc003ce2
File Typeelf
Size2751.9 KB
First Seen2025-05-31
File Name12ac468ca39874cfcd3e75239aa3d7e10fad6d0546515b2aa28e92c2c01ad715
Tagsakira, elf, 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: 12ac468ca39874cfcd3e75239aa3d7e10fad6d0546515b2aa28e92c2c01ad715
  • MD5: 0e8c4d7dba3c9d20a70c529adc003ce2

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: 12ac468ca39874cf"
        threat_level = "high"
        first_seen = "2025-05-31"
    condition:
        hash.sha256(0, filesize) == "12ac468ca39874cfcd3e75239aa3d7e10fad6d0546515b2aa28e92c2c01ad715"
}

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 12ac468ca39874cfcd3e75239aa3d7e10fad6d0546515b2aa28e92c2c01ad715 # MD5 0e8c4d7dba3c9d20a70c529adc003ce2
TypeValueNote
sha256 12ac468ca39874cfcd3e75239aa3d7e10fad6d0546515b2aa28e92c2c01ad715 Sample:Akira
md5 0e8c4d7dba3c9d20a70c529adc003ce2 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi