Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA2562c7aeac07ce7f03b74952e0e243bd52f2bfa60fadc92dd71a6a1fee2d14cdd77
MD52a7a76cde7e970c06316e3ae4feadbe3
File Typeexe
Size879.0 KB
First Seen2024-09-03
File Namewin32_locker.ex_
Tagsakira, Akira-lock-optibelt, exe, lock_optibelt

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: 2c7aeac07ce7f03b74952e0e243bd52f2bfa60fadc92dd71a6a1fee2d14cdd77
  • MD5: 2a7a76cde7e970c06316e3ae4feadbe3

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: 2c7aeac07ce7f03b"
        threat_level = "high"
        first_seen = "2024-09-03"
    condition:
        hash.sha256(0, filesize) == "2c7aeac07ce7f03b74952e0e243bd52f2bfa60fadc92dd71a6a1fee2d14cdd77"
}

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 2c7aeac07ce7f03b74952e0e243bd52f2bfa60fadc92dd71a6a1fee2d14cdd77 # MD5 2a7a76cde7e970c06316e3ae4feadbe3
TypeValueNote
sha256 2c7aeac07ce7f03b74952e0e243bd52f2bfa60fadc92dd71a6a1fee2d14cdd77 Sample:Akira
md5 2a7a76cde7e970c06316e3ae4feadbe3 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi