Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256b8ed237d1cfef4f1cefaeb06219be94b8fbb8cf404369b4f3734deeccb3e1079
MD5ba365cabaca2381b0955ed1f2af9b609
File Typeexe
Size1051.5 KB
First Seen2025-03-26
File Nameb8ed237d1cfef4f1cefaeb06219be94b8fbb8cf404369b4f3734deeccb3e1079
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: b8ed237d1cfef4f1cefaeb06219be94b8fbb8cf404369b4f3734deeccb3e1079
  • MD5: ba365cabaca2381b0955ed1f2af9b609

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: b8ed237d1cfef4f1"
        threat_level = "high"
        first_seen = "2025-03-26"
    condition:
        hash.sha256(0, filesize) == "b8ed237d1cfef4f1cefaeb06219be94b8fbb8cf404369b4f3734deeccb3e1079"
}

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 b8ed237d1cfef4f1cefaeb06219be94b8fbb8cf404369b4f3734deeccb3e1079 # MD5 ba365cabaca2381b0955ed1f2af9b609
TypeValueNote
sha256 b8ed237d1cfef4f1cefaeb06219be94b8fbb8cf404369b4f3734deeccb3e1079 Sample:Akira
md5 ba365cabaca2381b0955ed1f2af9b609 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi