Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA2561bc4c339b1c0773a649234d4b85dd1929c0b5d2d0cd9836c7ad1d7491372f9ec
MD519f3fabf03519cc60e89ceb950f0cdc2
File Typeelf
Size2947.5 KB
First Seen2025-06-11
File Name1bc4c339b1c0773a649234d4b85dd1929c0b5d2d0cd9836c7ad1d7491372f9ec
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: 1bc4c339b1c0773a649234d4b85dd1929c0b5d2d0cd9836c7ad1d7491372f9ec
  • MD5: 19f3fabf03519cc60e89ceb950f0cdc2

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: 1bc4c339b1c0773a"
        threat_level = "high"
        first_seen = "2025-06-11"
    condition:
        hash.sha256(0, filesize) == "1bc4c339b1c0773a649234d4b85dd1929c0b5d2d0cd9836c7ad1d7491372f9ec"
}

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 1bc4c339b1c0773a649234d4b85dd1929c0b5d2d0cd9836c7ad1d7491372f9ec # MD5 19f3fabf03519cc60e89ceb950f0cdc2
TypeValueNote
sha256 1bc4c339b1c0773a649234d4b85dd1929c0b5d2d0cd9836c7ad1d7491372f9ec Sample:Akira
md5 19f3fabf03519cc60e89ceb950f0cdc2 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi