Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256c4a2ab36c207f3e437ea3c7b424c18521d3ada91ef771a3d04fbd2db99f18857
MD5834f137f9039041bccb4b414154a596c
File Typeexe
Size1050.0 KB
First Seen2025-01-13
File Namec4a2ab36c207f3e437ea3c7b424c18521d3ada91ef771a3d04fbd2db99f18857
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: c4a2ab36c207f3e437ea3c7b424c18521d3ada91ef771a3d04fbd2db99f18857
  • MD5: 834f137f9039041bccb4b414154a596c

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: c4a2ab36c207f3e4"
        threat_level = "high"
        first_seen = "2025-01-13"
    condition:
        hash.sha256(0, filesize) == "c4a2ab36c207f3e437ea3c7b424c18521d3ada91ef771a3d04fbd2db99f18857"
}

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 c4a2ab36c207f3e437ea3c7b424c18521d3ada91ef771a3d04fbd2db99f18857 # MD5 834f137f9039041bccb4b414154a596c
TypeValueNote
sha256 c4a2ab36c207f3e437ea3c7b424c18521d3ada91ef771a3d04fbd2db99f18857 Sample:Akira
md5 834f137f9039041bccb4b414154a596c Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi