Akira | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25687b4020bcd3fad1f5711e6801ca269ef5852256eeaf350f4dde2dc46c576262d
MD5e57340a208ac9d95a1f015a5d6d98b94
File Typeexe
Size1049.5 KB
First Seen2024-12-07
File Name87b4020bcd3fad1f5711e6801ca269ef5852256eeaf350f4dde2dc46c576262d
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: 87b4020bcd3fad1f5711e6801ca269ef5852256eeaf350f4dde2dc46c576262d
  • MD5: e57340a208ac9d95a1f015a5d6d98b94

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: 87b4020bcd3fad1f"
        threat_level = "high"
        first_seen = "2024-12-07"
    condition:
        hash.sha256(0, filesize) == "87b4020bcd3fad1f5711e6801ca269ef5852256eeaf350f4dde2dc46c576262d"
}

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 87b4020bcd3fad1f5711e6801ca269ef5852256eeaf350f4dde2dc46c576262d # MD5 e57340a208ac9d95a1f015a5d6d98b94
TypeValueNote
sha256 87b4020bcd3fad1f5711e6801ca269ef5852256eeaf350f4dde2dc46c576262d Sample:Akira
md5 e57340a208ac9d95a1f015a5d6d98b94 Sample:Akira
Tags
akiraransomwaremalwarehighsha256hash-analizi