Akira | Threat Level: high | Type: Ransomware
Cryptographic Identifiers
| SHA256 | d5a4c1464dc07be363fabcd46840557f2aaf9cde5de5029a709f4fa8f8e2aa11 |
|---|---|
| MD5 | 1a7df536c3bb676a6f90af5b3bea5302 |
| File Type | exe |
| Size | 1097.0 KB |
| First Seen | 2025-05-31 |
| File Name | d5a4c1464dc07be363fabcd46840557f2aaf9cde5de5029a709f4fa8f8e2aa11 |
| Tags | akira, exe, Neshta, 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:
d5a4c1464dc07be363fabcd46840557f2aaf9cde5de5029a709f4fa8f8e2aa11 - MD5:
1a7df536c3bb676a6f90af5b3bea5302
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: d5a4c1464dc07be3"
threat_level = "high"
first_seen = "2025-05-31"
condition:
hash.sha256(0, filesize) == "d5a4c1464dc07be363fabcd46840557f2aaf9cde5de5029a709f4fa8f8e2aa11"
}
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
d5a4c1464dc07be363fabcd46840557f2aaf9cde5de5029a709f4fa8f8e2aa11
# MD5
1a7df536c3bb676a6f90af5b3bea5302
| Type | Value | Note |
|---|---|---|
| sha256 | d5a4c1464dc07be363fabcd46840557f2aaf9cde5de5029a709f4fa8f8e2aa11 | Sample:Akira |
| md5 | 1a7df536c3bb676a6f90af5b3bea5302 | Sample:Akira |