Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25645bd312829efc1028cdf0777871ddd69dd4ef18b2ee2b1f08a94b71d8a667626
MD50d09c690c1a4fb5944280def28e5e538
File Typeexe
Size1051.5 KB
First Seen2025-05-31
File Name45bd312829efc1028cdf0777871ddd69dd4ef18b2ee2b1f08a94b71d8a667626
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: 45bd312829efc1028cdf0777871ddd69dd4ef18b2ee2b1f08a94b71d8a667626
  • MD5: 0d09c690c1a4fb5944280def28e5e538

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: 45bd312829efc102"
        threat_level = "high"
        first_seen = "2025-05-31"
    condition:
        hash.sha256(0, filesize) == "45bd312829efc1028cdf0777871ddd69dd4ef18b2ee2b1f08a94b71d8a667626"
}

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 45bd312829efc1028cdf0777871ddd69dd4ef18b2ee2b1f08a94b71d8a667626 # MD5 0d09c690c1a4fb5944280def28e5e538
TypeValueNote
sha256 45bd312829efc1028cdf0777871ddd69dd4ef18b2ee2b1f08a94b71d8a667626 Sample:Akira
md5 0d09c690c1a4fb5944280def28e5e538 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi