Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256b9c1e8700e39c6768be9d6bcb092cd6abe80d4244fc437566b58721cdc7d61ff
MD52918b9ddaf12a57f6710c07515b27a8b
File Typeexe
Size1050.0 KB
First Seen2025-02-05
File Nameb9c1e8700e39c6768be9d6bcb092cd6abe80d4244fc437566b58721cdc7d61ff
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: b9c1e8700e39c6768be9d6bcb092cd6abe80d4244fc437566b58721cdc7d61ff
  • MD5: 2918b9ddaf12a57f6710c07515b27a8b

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: b9c1e8700e39c676"
        threat_level = "high"
        first_seen = "2025-02-05"
    condition:
        hash.sha256(0, filesize) == "b9c1e8700e39c6768be9d6bcb092cd6abe80d4244fc437566b58721cdc7d61ff"
}

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 b9c1e8700e39c6768be9d6bcb092cd6abe80d4244fc437566b58721cdc7d61ff # MD5 2918b9ddaf12a57f6710c07515b27a8b
TypeValueNote
sha256 b9c1e8700e39c6768be9d6bcb092cd6abe80d4244fc437566b58721cdc7d61ff Sample:Akira
md5 2918b9ddaf12a57f6710c07515b27a8b Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi