Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256dd6ff9119440ce8f91c15946c52faf7fb62494cb5fd9b1736bd03b8f55f15118
MD56d9b67ee0eb8451c79da59db1989fcf5
File Typeexe
Size13272.9 KB
First Seen2025-05-31
File Namedd6ff9119440ce8f91c15946c52faf7fb62494cb5fd9b1736bd03b8f55f15118
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: dd6ff9119440ce8f91c15946c52faf7fb62494cb5fd9b1736bd03b8f55f15118
  • MD5: 6d9b67ee0eb8451c79da59db1989fcf5

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: dd6ff9119440ce8f"
        threat_level = "high"
        first_seen = "2025-05-31"
    condition:
        hash.sha256(0, filesize) == "dd6ff9119440ce8f91c15946c52faf7fb62494cb5fd9b1736bd03b8f55f15118"
}

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 dd6ff9119440ce8f91c15946c52faf7fb62494cb5fd9b1736bd03b8f55f15118 # MD5 6d9b67ee0eb8451c79da59db1989fcf5
TypeValueNote
sha256 dd6ff9119440ce8f91c15946c52faf7fb62494cb5fd9b1736bd03b8f55f15118 Sample:Akira
md5 6d9b67ee0eb8451c79da59db1989fcf5 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi