Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256337d21f964091417f22f35aee35e31d94fc3f35179c36c0304eef6e4ae983292
MD5e72e0069e1fb4328e2704bda97fb4a40
File Typeexe
Size578.0 KB
First Seen2025-05-20
File Name337d21f964091417f22f35aee35e31d94fc3f35179c36c0304eef6e4ae983292
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: 337d21f964091417f22f35aee35e31d94fc3f35179c36c0304eef6e4ae983292
  • MD5: e72e0069e1fb4328e2704bda97fb4a40

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: 337d21f964091417"
        threat_level = "high"
        first_seen = "2025-05-20"
    condition:
        hash.sha256(0, filesize) == "337d21f964091417f22f35aee35e31d94fc3f35179c36c0304eef6e4ae983292"
}

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 337d21f964091417f22f35aee35e31d94fc3f35179c36c0304eef6e4ae983292 # MD5 e72e0069e1fb4328e2704bda97fb4a40
TypeValueNote
sha256 337d21f964091417f22f35aee35e31d94fc3f35179c36c0304eef6e4ae983292 Sample:Akira
md5 e72e0069e1fb4328e2704bda97fb4a40 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi