Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA2560b5b31af5956158bfbd14f6cbf4f1bca23c5d16a40dbf3758f3289146c565f43
MD57e4de8af0f2eb3686ab73212edba48f7
File Typeexe
Size1005.0 KB
First Seen2025-06-05
File Name0b5b31af5956158bfbd14f6cbf4f1bca23c5d16a40dbf3758f3289146c565f43
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: 0b5b31af5956158bfbd14f6cbf4f1bca23c5d16a40dbf3758f3289146c565f43
  • MD5: 7e4de8af0f2eb3686ab73212edba48f7

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: 0b5b31af5956158b"
        threat_level = "high"
        first_seen = "2025-06-05"
    condition:
        hash.sha256(0, filesize) == "0b5b31af5956158bfbd14f6cbf4f1bca23c5d16a40dbf3758f3289146c565f43"
}

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 0b5b31af5956158bfbd14f6cbf4f1bca23c5d16a40dbf3758f3289146c565f43 # MD5 7e4de8af0f2eb3686ab73212edba48f7
TypeValueNote
sha256 0b5b31af5956158bfbd14f6cbf4f1bca23c5d16a40dbf3758f3289146c565f43 Sample:Akira
md5 7e4de8af0f2eb3686ab73212edba48f7 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi