Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA2561bf45e64429f10dd0978551f06c92af4ebe38e27c2e18fcb60e7c8145f54ead6
MD554dd1e7adb8d5440cfed65c9646f2529
File Typeelf
Size3192.5 KB
First Seen2025-06-11
File Name1bf45e64429f10dd0978551f06c92af4ebe38e27c2e18fcb60e7c8145f54ead6
Tagsakira, elf, 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: 1bf45e64429f10dd0978551f06c92af4ebe38e27c2e18fcb60e7c8145f54ead6
  • MD5: 54dd1e7adb8d5440cfed65c9646f2529

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: 1bf45e64429f10dd"
        threat_level = "high"
        first_seen = "2025-06-11"
    condition:
        hash.sha256(0, filesize) == "1bf45e64429f10dd0978551f06c92af4ebe38e27c2e18fcb60e7c8145f54ead6"
}

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 1bf45e64429f10dd0978551f06c92af4ebe38e27c2e18fcb60e7c8145f54ead6 # MD5 54dd1e7adb8d5440cfed65c9646f2529
TypeValueNote
sha256 1bf45e64429f10dd0978551f06c92af4ebe38e27c2e18fcb60e7c8145f54ead6 Sample:Akira
md5 54dd1e7adb8d5440cfed65c9646f2529 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi