Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA2562a9257c6c74e37d051f78ed5abaa620b71b27fa3604798af077256a128d911bb
MD516b9b5e0f9f1747350ad37eff94bb82f
File Typeexe
Size606.0 KB
First Seen2025-06-12
File Name2a9257c6c74e37d051f78ed5abaa620b71b27fa3604798af077256a128d911bb
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: 2a9257c6c74e37d051f78ed5abaa620b71b27fa3604798af077256a128d911bb
  • MD5: 16b9b5e0f9f1747350ad37eff94bb82f

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: 2a9257c6c74e37d0"
        threat_level = "high"
        first_seen = "2025-06-12"
    condition:
        hash.sha256(0, filesize) == "2a9257c6c74e37d051f78ed5abaa620b71b27fa3604798af077256a128d911bb"
}

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 2a9257c6c74e37d051f78ed5abaa620b71b27fa3604798af077256a128d911bb # MD5 16b9b5e0f9f1747350ad37eff94bb82f
TypeValueNote
sha256 2a9257c6c74e37d051f78ed5abaa620b71b27fa3604798af077256a128d911bb Sample:Akira
md5 16b9b5e0f9f1747350ad37eff94bb82f Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi