Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256118a61b23ecb66658d42836ac9b8c78ffd2e5b994e2dcc53a4c7ca4291a4cfad
MD574f27fb712ad76c9b39398c93e5d94a8
File Typeexe
Size1051.5 KB
First Seen2025-03-26
File Name118a61b23ecb66658d42836ac9b8c78ffd2e5b994e2dcc53a4c7ca4291a4cfad
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: 118a61b23ecb66658d42836ac9b8c78ffd2e5b994e2dcc53a4c7ca4291a4cfad
  • MD5: 74f27fb712ad76c9b39398c93e5d94a8

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: 118a61b23ecb6665"
        threat_level = "high"
        first_seen = "2025-03-26"
    condition:
        hash.sha256(0, filesize) == "118a61b23ecb66658d42836ac9b8c78ffd2e5b994e2dcc53a4c7ca4291a4cfad"
}

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 118a61b23ecb66658d42836ac9b8c78ffd2e5b994e2dcc53a4c7ca4291a4cfad # MD5 74f27fb712ad76c9b39398c93e5d94a8
TypeValueNote
sha256 118a61b23ecb66658d42836ac9b8c78ffd2e5b994e2dcc53a4c7ca4291a4cfad Sample:Akira
md5 74f27fb712ad76c9b39398c93e5d94a8 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi