Kriptografik Tanımlayıcılar
| SHA256 | 133bf8be0cf7003b83b03579970997d408a930e58ec2726715140520900c06de |
|---|---|
| MD5 | 77be32b91561d1ac5e36464766b7b0a7 |
| Dosya Türü | exe |
| Boyut | 114.0 KB |
| İlk Görülme | 2023-11-16 |
| Dosya Adı | 133bf8be0cf7003b83b03579970997d408a930e58ec2726715140520900c06de.exe |
| Etiketler | exe, REvil, Sodinokibi |
Malware Ailesi: REvil
REvil, yüksek profilli saldırılar yaptı.
| Tür | Ransomware |
|---|---|
| Programlama Dili | C |
| Hedef Platform | Windows |
| C2 Protokolü | HTTP |
| Amaç | Yüksek profilli RaaS |
| İlk Görülen Yıl | 2019 |
| Diğer İsimler | Sodinokibi |
Tehdit Göstergeleri (IOC)
- SHA256:
133bf8be0cf7003b83b03579970997d408a930e58ec2726715140520900c06de - MD5:
77be32b91561d1ac5e36464766b7b0a7
Sistem Temizleme Rehberi
- Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
- Fidye ödemeyin — dosyaları geri alma garantisi yoktur
- Etkilenen sürücüleri karantinaya alın
- Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
- Mevcut decryptor tool'ları deneyin (NoMoreRansom projesi)
- Yetkililere ihbarda bulunun
- Temiz bir yedekten kurtarın
YARA Kuralı İpuçları
rule REvil_SHA256 {
meta:
description = "REvil sample: 133bf8be0cf7003b"
threat_level = "critical"
first_seen = "2023-11-16"
condition:
hash.sha256(0, filesize) == "133bf8be0cf7003b83b03579970997d408a930e58ec2726715140520900c06de"
}
REvil — Malware Profile
REvil/Sodinokibi ransomware. nboehret developer. SP-API project. siliconplains.net C2. Downloader v1.4.
Technical Details
REvil (Sodinokibi) is a ransomware-as-a-service operated by GOLD SOUTHFIELD. First detected April 2019, believed successor to GandCrab. Uses elliptic curve Diffie-Hellman (ECDH) + Salsa20 for file encryption, RSA-2048 for key exchange. Highly customizable through embedded JSON configuration: target paths, excluded countries/extensions. Notable attacks: Kaseya VSA supply chain attack (July 2021, 1500+ MSPs affected), JBS Foods ($11M ransom), Travelex ($6M ransom). Double extortion via "Happy Blog" leak site. Source code leaked 2021. FSB arrested key members January 2022. Operations resumed briefly with "REvil is back" announcements.
Attribution / Threat Actor
GOLD SOUTHFIELD, GandCrab successor
Capabilities & Behavior
IOC List (2 indicators)
# SHA256
133bf8be0cf7003b83b03579970997d408a930e58ec2726715140520900c06de
# MD5
77be32b91561d1ac5e36464766b7b0a7
| Type | Value | Note |
|---|---|---|
| sha256 | 133bf8be0cf7003b83b03579970997d408a930e58ec2726715140520900c06de | REvil |
| md5 | 77be32b91561d1ac5e36464766b7b0a7 | REvil |