Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256aa1f4e8e7066b57f594ebed05e931932277c35495ba407f1f97675c6ce4be5cc
MD530c74ff0e03d41dcf43257fe54467a02
File Typeexe
Size1056.5 KB
First Seen2025-06-29
File Nameaa1f4e8e7066b57f594ebed05e931932277c35495ba407f1f97675c6ce4be5cc
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: aa1f4e8e7066b57f594ebed05e931932277c35495ba407f1f97675c6ce4be5cc
  • MD5: 30c74ff0e03d41dcf43257fe54467a02

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: aa1f4e8e7066b57f"
        threat_level = "high"
        first_seen = "2025-06-29"
    condition:
        hash.sha256(0, filesize) == "aa1f4e8e7066b57f594ebed05e931932277c35495ba407f1f97675c6ce4be5cc"
}

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 aa1f4e8e7066b57f594ebed05e931932277c35495ba407f1f97675c6ce4be5cc # MD5 30c74ff0e03d41dcf43257fe54467a02
TypeValueNote
sha256 aa1f4e8e7066b57f594ebed05e931932277c35495ba407f1f97675c6ce4be5cc Sample:Akira
md5 30c74ff0e03d41dcf43257fe54467a02 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi