Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256fc2b499708b2d20545c140906b0484546c8b3ff21341b8a5acd18f2063fa2bb5
MD517053bba693646bfff25c1a8317f8f16
File Typeexe
Size1056.5 KB
First Seen2025-07-02
File Namefc2b499708b2d20545c140906b0484546c8b3ff21341b8a5acd18f2063fa2bb5
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: fc2b499708b2d20545c140906b0484546c8b3ff21341b8a5acd18f2063fa2bb5
  • MD5: 17053bba693646bfff25c1a8317f8f16

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: fc2b499708b2d205"
        threat_level = "high"
        first_seen = "2025-07-02"
    condition:
        hash.sha256(0, filesize) == "fc2b499708b2d20545c140906b0484546c8b3ff21341b8a5acd18f2063fa2bb5"
}

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 fc2b499708b2d20545c140906b0484546c8b3ff21341b8a5acd18f2063fa2bb5 # MD5 17053bba693646bfff25c1a8317f8f16
TypeValueNote
sha256 fc2b499708b2d20545c140906b0484546c8b3ff21341b8a5acd18f2063fa2bb5 Sample:Akira
md5 17053bba693646bfff25c1a8317f8f16 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi