Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA2567142bff8d40f56b9e2e8eaf2d626d54ef6533e6d2f29242ecc90c98aef1a6955
MD539a14bfc65e6f5e13fc2817206a39cad
File Typeexe
Size1056.5 KB
First Seen2025-05-20
File Name7142bff8d40f56b9e2e8eaf2d626d54ef6533e6d2f29242ecc90c98aef1a6955
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: 7142bff8d40f56b9e2e8eaf2d626d54ef6533e6d2f29242ecc90c98aef1a6955
  • MD5: 39a14bfc65e6f5e13fc2817206a39cad

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: 7142bff8d40f56b9"
        threat_level = "high"
        first_seen = "2025-05-20"
    condition:
        hash.sha256(0, filesize) == "7142bff8d40f56b9e2e8eaf2d626d54ef6533e6d2f29242ecc90c98aef1a6955"
}

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 7142bff8d40f56b9e2e8eaf2d626d54ef6533e6d2f29242ecc90c98aef1a6955 # MD5 39a14bfc65e6f5e13fc2817206a39cad
TypeValueNote
sha256 7142bff8d40f56b9e2e8eaf2d626d54ef6533e6d2f29242ecc90c98aef1a6955 Sample:Akira
md5 39a14bfc65e6f5e13fc2817206a39cad Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi