Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256f25b7f11e9f34ee5d91b3e07ba22925022e8b8b05c3ddf6672ae86e5144481cf
MD5b99bdb8880e4ef03727885ea50a4a2fc
File Typeelf
Size3192.5 KB
First Seen2025-01-13
File Namef25b7f11e9f34ee5d91b3e07ba22925022e8b8b05c3ddf6672ae86e5144481cf
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: f25b7f11e9f34ee5d91b3e07ba22925022e8b8b05c3ddf6672ae86e5144481cf
  • MD5: b99bdb8880e4ef03727885ea50a4a2fc

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: f25b7f11e9f34ee5"
        threat_level = "high"
        first_seen = "2025-01-13"
    condition:
        hash.sha256(0, filesize) == "f25b7f11e9f34ee5d91b3e07ba22925022e8b8b05c3ddf6672ae86e5144481cf"
}

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 f25b7f11e9f34ee5d91b3e07ba22925022e8b8b05c3ddf6672ae86e5144481cf # MD5 b99bdb8880e4ef03727885ea50a4a2fc
TypeValueNote
sha256 f25b7f11e9f34ee5d91b3e07ba22925022e8b8b05c3ddf6672ae86e5144481cf Sample:Akira
md5 b99bdb8880e4ef03727885ea50a4a2fc Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi