Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256101bd45ab673fd6547386dff4339f1649e61b9f5c318260d365f766fbdc2d3c9
MD5427eba9f6ff2cd312c72770f13e279c1
File Typeexe
Size1005.0 KB
First Seen2025-06-11
File Name101bd45ab673fd6547386dff4339f1649e61b9f5c318260d365f766fbdc2d3c9
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: 101bd45ab673fd6547386dff4339f1649e61b9f5c318260d365f766fbdc2d3c9
  • MD5: 427eba9f6ff2cd312c72770f13e279c1

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: 101bd45ab673fd65"
        threat_level = "high"
        first_seen = "2025-06-11"
    condition:
        hash.sha256(0, filesize) == "101bd45ab673fd6547386dff4339f1649e61b9f5c318260d365f766fbdc2d3c9"
}

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 101bd45ab673fd6547386dff4339f1649e61b9f5c318260d365f766fbdc2d3c9 # MD5 427eba9f6ff2cd312c72770f13e279c1
TypeValueNote
sha256 101bd45ab673fd6547386dff4339f1649e61b9f5c318260d365f766fbdc2d3c9 Sample:Akira
md5 427eba9f6ff2cd312c72770f13e279c1 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi