Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256b6e7b72176815257a1684e9ecdb22766d3a07747edaae45d655320ba0ee7940d
MD58dc613df28d63907d1b686a8b0c480bf
File Typeexe
Size1051.5 KB
First Seen2025-03-26
File Nameb6e7b72176815257a1684e9ecdb22766d3a07747edaae45d655320ba0ee7940d
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: b6e7b72176815257a1684e9ecdb22766d3a07747edaae45d655320ba0ee7940d
  • MD5: 8dc613df28d63907d1b686a8b0c480bf

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: b6e7b72176815257"
        threat_level = "high"
        first_seen = "2025-03-26"
    condition:
        hash.sha256(0, filesize) == "b6e7b72176815257a1684e9ecdb22766d3a07747edaae45d655320ba0ee7940d"
}

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 b6e7b72176815257a1684e9ecdb22766d3a07747edaae45d655320ba0ee7940d # MD5 8dc613df28d63907d1b686a8b0c480bf
TypeValueNote
sha256 b6e7b72176815257a1684e9ecdb22766d3a07747edaae45d655320ba0ee7940d Sample:Akira
md5 8dc613df28d63907d1b686a8b0c480bf Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi