Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25643b0ac119ff957bb209d86ec206ea1ec3c51dd87bebf7b4a649c7e6c7f3756e7
MD5e58ed2788bada8d807ebb29e18d86f86
File Typeexe
Size1049.5 KB
First Seen2024-12-07
File Name43b0ac119ff957bb209d86ec206ea1ec3c51dd87bebf7b4a649c7e6c7f3756e7
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: 43b0ac119ff957bb209d86ec206ea1ec3c51dd87bebf7b4a649c7e6c7f3756e7
  • MD5: e58ed2788bada8d807ebb29e18d86f86

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: 43b0ac119ff957bb"
        threat_level = "high"
        first_seen = "2024-12-07"
    condition:
        hash.sha256(0, filesize) == "43b0ac119ff957bb209d86ec206ea1ec3c51dd87bebf7b4a649c7e6c7f3756e7"
}

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 43b0ac119ff957bb209d86ec206ea1ec3c51dd87bebf7b4a649c7e6c7f3756e7 # MD5 e58ed2788bada8d807ebb29e18d86f86
TypeValueNote
sha256 43b0ac119ff957bb209d86ec206ea1ec3c51dd87bebf7b4a649c7e6c7f3756e7 Sample:Akira
md5 e58ed2788bada8d807ebb29e18d86f86 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi