Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25634c843387845479329052ec7a71f6445c7530b6fee2eabb458da2338d1af41e4
MD503b9887dee2c3c825b6a6c0df1d104ad
File Typeexe
Size1051.5 KB
First Seen2025-05-20
File Name34c843387845479329052ec7a71f6445c7530b6fee2eabb458da2338d1af41e4
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: 34c843387845479329052ec7a71f6445c7530b6fee2eabb458da2338d1af41e4
  • MD5: 03b9887dee2c3c825b6a6c0df1d104ad

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: 34c8433878454793"
        threat_level = "high"
        first_seen = "2025-05-20"
    condition:
        hash.sha256(0, filesize) == "34c843387845479329052ec7a71f6445c7530b6fee2eabb458da2338d1af41e4"
}

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 34c843387845479329052ec7a71f6445c7530b6fee2eabb458da2338d1af41e4 # MD5 03b9887dee2c3c825b6a6c0df1d104ad
TypeValueNote
sha256 34c843387845479329052ec7a71f6445c7530b6fee2eabb458da2338d1af41e4 Sample:Akira
md5 03b9887dee2c3c825b6a6c0df1d104ad Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi