Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25678ffecf887f745fbb0bf9a1fff8b5ad288c7fa0d86989edfa928a40da12e9a33
MD53dd09859e6326eeb09f023dbf1b81290
File Typeexe
Size1051.5 KB
First Seen2025-06-01
File Name78ffecf887f745fbb0bf9a1fff8b5ad288c7fa0d86989edfa928a40da12e9a33
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: 78ffecf887f745fbb0bf9a1fff8b5ad288c7fa0d86989edfa928a40da12e9a33
  • MD5: 3dd09859e6326eeb09f023dbf1b81290

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: 78ffecf887f745fb"
        threat_level = "high"
        first_seen = "2025-06-01"
    condition:
        hash.sha256(0, filesize) == "78ffecf887f745fbb0bf9a1fff8b5ad288c7fa0d86989edfa928a40da12e9a33"
}

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 78ffecf887f745fbb0bf9a1fff8b5ad288c7fa0d86989edfa928a40da12e9a33 # MD5 3dd09859e6326eeb09f023dbf1b81290
TypeValueNote
sha256 78ffecf887f745fbb0bf9a1fff8b5ad288c7fa0d86989edfa928a40da12e9a33 Sample:Akira
md5 3dd09859e6326eeb09f023dbf1b81290 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi