Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25643c5a487329f5d6b4a6d02e2f8ef62744b850312c5cb87c0a414f3830767be72
MD58ef468f21842ee03e1c5a41a6fef6bba
File Typeelf
Size3196.5 KB
First Seen2024-09-03
File Nameesxi7_locker
Tagsakira, Akira-lock-optibelt, elf, lock_optibelt

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: 43c5a487329f5d6b4a6d02e2f8ef62744b850312c5cb87c0a414f3830767be72
  • MD5: 8ef468f21842ee03e1c5a41a6fef6bba

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: 43c5a487329f5d6b"
        threat_level = "high"
        first_seen = "2024-09-03"
    condition:
        hash.sha256(0, filesize) == "43c5a487329f5d6b4a6d02e2f8ef62744b850312c5cb87c0a414f3830767be72"
}

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 43c5a487329f5d6b4a6d02e2f8ef62744b850312c5cb87c0a414f3830767be72 # MD5 8ef468f21842ee03e1c5a41a6fef6bba
TypeValueNote
sha256 43c5a487329f5d6b4a6d02e2f8ef62744b850312c5cb87c0a414f3830767be72 Sample:Akira
md5 8ef468f21842ee03e1c5a41a6fef6bba Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi