Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25603aa12ac2884251aa24bf0ccd854047de403591a8537e6aba19e822807e06a45
MD533a406d761bba10d201bdbf87d42953b
File Typeexe
Size1005.0 KB
First Seen2025-06-05
File Name03aa12ac2884251aa24bf0ccd854047de403591a8537e6aba19e822807e06a45
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: 03aa12ac2884251aa24bf0ccd854047de403591a8537e6aba19e822807e06a45
  • MD5: 33a406d761bba10d201bdbf87d42953b

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: 03aa12ac2884251a"
        threat_level = "high"
        first_seen = "2025-06-05"
    condition:
        hash.sha256(0, filesize) == "03aa12ac2884251aa24bf0ccd854047de403591a8537e6aba19e822807e06a45"
}

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 03aa12ac2884251aa24bf0ccd854047de403591a8537e6aba19e822807e06a45 # MD5 33a406d761bba10d201bdbf87d42953b
TypeValueNote
sha256 03aa12ac2884251aa24bf0ccd854047de403591a8537e6aba19e822807e06a45 Sample:Akira
md5 33a406d761bba10d201bdbf87d42953b Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi