Akira | Threat Level: high | Type: Ransomware
Cryptographic Identifiers
| SHA256 | efbb8a4b6d879fb0d28f6b480436010fe91ab2b4ecf416640ef54650c2fdfc60 |
|---|---|
| MD5 | 95bd29a0321f88b1d52a083f505210ab |
| File Type | exe |
| Size | 14322.4 KB |
| First Seen | 2025-05-31 |
| File Name | efbb8a4b6d879fb0d28f6b480436010fe91ab2b4ecf416640ef54650c2fdfc60 |
| Tags | akira, exe, Ransomware |
Malware Family: Akira
Akira, Cisco VPN açıklarını hedefler.
| Type | Ransomware |
|---|---|
| Programming Language | C++ |
| Target Platform | Windows/Linux |
| C2 Protocol | — |
| Purpose | Cisco VPN ransomware |
| First Seen Year | 2023 |
Threat Indicators (IOC)
- SHA256:
efbb8a4b6d879fb0d28f6b480436010fe91ab2b4ecf416640ef54650c2fdfc60 - MD5:
95bd29a0321f88b1d52a083f505210ab
You can verify all hash values of this sample on VirusTotal.
System Cleanup Guide
- Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
- Do not pay the ransom — there is no guarantee your files will be restored
- Quarantine the affected drives
- Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
- Try available decryptor tools (the NoMoreRansom project)
- Report the incident to the authorities (cybercrime unit)
- Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın
YARA Rule Hints
rule Akira_SHA256 {
meta:
description = "Akira sample: efbb8a4b6d879fb0"
threat_level = "high"
first_seen = "2025-05-31"
condition:
hash.sha256(0, filesize) == "efbb8a4b6d879fb0d28f6b480436010fe91ab2b4ecf416640ef54650c2fdfc60"
}
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
efbb8a4b6d879fb0d28f6b480436010fe91ab2b4ecf416640ef54650c2fdfc60
# MD5
95bd29a0321f88b1d52a083f505210ab
| Type | Value | Note |
|---|---|---|
| sha256 | efbb8a4b6d879fb0d28f6b480436010fe91ab2b4ecf416640ef54650c2fdfc60 | Sample:Akira |
| md5 | 95bd29a0321f88b1d52a083f505210ab | Sample:Akira |