REvil | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2568c716101e118ac65d7bdb900e0100d012256abb1d7cdf64830e5943a795ccce2
MD5f0db9243fdd14d4755f5b12860d0394d
File Typeexe
Size600.0 KB
First Seen2020-11-20
File Namecrypt-domain.bin
TagsREvil, Sodinokibi

Malware Family: REvil

REvil, yüksek profilli saldırılar yaptı.

TypeRansomware
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeYüksek profilli RaaS
First Seen Year2019
AliasesSodinokibi

Threat Indicators (IOC)

  • SHA256: 8c716101e118ac65d7bdb900e0100d012256abb1d7cdf64830e5943a795ccce2
  • MD5: f0db9243fdd14d4755f5b12860d0394d

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. Yetkililere ihbarda bulunun
  7. Temiz bir yedekten kurtarın

YARA Rule Hints

rule REvil_SHA256 {
    meta:
        description = "REvil sample: 8c716101e118ac65"
        threat_level = "critical"
        first_seen = "2020-11-20"
    condition:
        hash.sha256(0, filesize) == "8c716101e118ac65d7bdb900e0100d012256abb1d7cdf64830e5943a795ccce2"
}

REvil — Malware Profile

REvil/Sodinokibi ransomware. nboehret developer. SP-API project. siliconplains.net C2. Downloader v1.4.

Malware Type
Ransomware
Programming Language
C
C2 Protocol
HTTP
Target Systems
Windows
Also Known As (AKA)
Sodinokibi

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

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 — REvil
# SHA256 8c716101e118ac65d7bdb900e0100d012256abb1d7cdf64830e5943a795ccce2 # MD5 f0db9243fdd14d4755f5b12860d0394d
TypeValueNote
sha256 8c716101e118ac65d7bdb900e0100d012256abb1d7cdf64830e5943a795ccce2
md5 f0db9243fdd14d4755f5b12860d0394d
Tags
revilransomwaremalwarecriticalsha256analizzenginleştirilmiş