Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA2562a345c05cade5c2d0783e79a4632c858331270d3ff27f6f60472b3245884c5b5
MD55c4a3158e91dafa28c80c50a0c070e34
File Typeexe
Size1056.5 KB
First Seen2025-05-31
File Name2a345c05cade5c2d0783e79a4632c858331270d3ff27f6f60472b3245884c5b5
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: 2a345c05cade5c2d0783e79a4632c858331270d3ff27f6f60472b3245884c5b5
  • MD5: 5c4a3158e91dafa28c80c50a0c070e34

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: 2a345c05cade5c2d"
        threat_level = "high"
        first_seen = "2025-05-31"
    condition:
        hash.sha256(0, filesize) == "2a345c05cade5c2d0783e79a4632c858331270d3ff27f6f60472b3245884c5b5"
}

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 2a345c05cade5c2d0783e79a4632c858331270d3ff27f6f60472b3245884c5b5 # MD5 5c4a3158e91dafa28c80c50a0c070e34
TypeValueNote
sha256 2a345c05cade5c2d0783e79a4632c858331270d3ff27f6f60472b3245884c5b5 Sample:Akira
md5 5c4a3158e91dafa28c80c50a0c070e34 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi