Kriptografik Tanımlayıcılar
| SHA256 | 271ee0949fc0bea797130590629e9bd565a88293a799837da1eae1a653b9cae6 |
|---|---|
| MD5 | 91d0f10587d4d276e76225c39afdd058 |
| Dosya Türü | gz |
| Boyut | 119.0 KB |
| İlk Görülme | 2020-08-28 |
| Dosya Adı | b83081e0e2676da0476f762d0d3efcccf37db54e1fb9ce3b663d4b9557185744.bin.gz |
| Etiketler | Decryptor, 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:
271ee0949fc0bea797130590629e9bd565a88293a799837da1eae1a653b9cae6 - MD5:
91d0f10587d4d276e76225c39afdd058
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: 271ee0949fc0bea7"
threat_level = "critical"
first_seen = "2020-08-28"
condition:
hash.sha256(0, filesize) == "271ee0949fc0bea797130590629e9bd565a88293a799837da1eae1a653b9cae6"
}
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
271ee0949fc0bea797130590629e9bd565a88293a799837da1eae1a653b9cae6
# MD5
91d0f10587d4d276e76225c39afdd058
| Type | Value | Note |
|---|---|---|
| sha256 | 271ee0949fc0bea797130590629e9bd565a88293a799837da1eae1a653b9cae6 | |
| md5 | 91d0f10587d4d276e76225c39afdd058 |