Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA2564f16317dba9b983bf494892dcd227c0795f3809303e3b2787bf0a2193a318e0c
MD5d68c82bfa227f4f8e10f640d1c5b341e
File Typeexe
Size1056.5 KB
First Seen2025-03-26
File Name4f16317dba9b983bf494892dcd227c0795f3809303e3b2787bf0a2193a318e0c
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: 4f16317dba9b983bf494892dcd227c0795f3809303e3b2787bf0a2193a318e0c
  • MD5: d68c82bfa227f4f8e10f640d1c5b341e

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: 4f16317dba9b983b"
        threat_level = "high"
        first_seen = "2025-03-26"
    condition:
        hash.sha256(0, filesize) == "4f16317dba9b983bf494892dcd227c0795f3809303e3b2787bf0a2193a318e0c"
}

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 4f16317dba9b983bf494892dcd227c0795f3809303e3b2787bf0a2193a318e0c # MD5 d68c82bfa227f4f8e10f640d1c5b341e
TypeValueNote
sha256 4f16317dba9b983bf494892dcd227c0795f3809303e3b2787bf0a2193a318e0c Sample:Akira
md5 d68c82bfa227f4f8e10f640d1c5b341e Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi