Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256aacc05b288ec2b28333456d5038fe71ff2da5913ae46854552d20a68526e981c
MD5799e1b6ad59324054e74eb6bfe5f78f9
File Typeelf
Size3192.5 KB
First Seen2025-05-31
File Nameaacc05b288ec2b28333456d5038fe71ff2da5913ae46854552d20a68526e981c
Tagsakira, elf, 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: aacc05b288ec2b28333456d5038fe71ff2da5913ae46854552d20a68526e981c
  • MD5: 799e1b6ad59324054e74eb6bfe5f78f9

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: aacc05b288ec2b28"
        threat_level = "high"
        first_seen = "2025-05-31"
    condition:
        hash.sha256(0, filesize) == "aacc05b288ec2b28333456d5038fe71ff2da5913ae46854552d20a68526e981c"
}

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 aacc05b288ec2b28333456d5038fe71ff2da5913ae46854552d20a68526e981c # MD5 799e1b6ad59324054e74eb6bfe5f78f9
TypeValueNote
sha256 aacc05b288ec2b28333456d5038fe71ff2da5913ae46854552d20a68526e981c Sample:Akira
md5 799e1b6ad59324054e74eb6bfe5f78f9 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi