REvil | Niveau de menace: critical | Type: Ransomware

Identifiants cryptographiques

SHA2565a9c0945beff64f70dd87931c2537f87e9b6b975c9a936be9832323c0ddc473c
MD5f1abfd32647a4ef1403f8aad03b921d6
Type de fichierexe
Taille116.0 KB
Première observation2020-08-23
Nom du fichier5a9c0945beff64f70dd87931c2537f87e9b6b975c9a936be9832323c0ddc473c.bin.exe
ÉtiquettesDecryptor, REvil, Sodinokibi

Famille de malware: REvil

REvil, RaaS'tır.

TypeRansomware
Langage de programmationC
Plateforme cibleWindows
Protocole C2HTTP
ObjectifRaaS
Année de première observation2019
Autres nomsSodinokibi

Indicateurs de menace (IOC)

  • SHA256: 5a9c0945beff64f70dd87931c2537f87e9b6b975c9a936be9832323c0ddc473c
  • MD5: f1abfd32647a4ef1403f8aad03b921d6

Vous pouvez vérifier toutes les valeurs de hachage de cet échantillon sur VirusTotal.

Guide de nettoyage du système

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. Ne payez pas la rançon — rien ne garantit la récupération des fichiers
  3. Mettez en quarantaine les disques concernés
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Essayez les outils de déchiffrement disponibles (projet NoMoreRansom)
  6. Signalez l’incident aux autorités (unité de cybercriminalité)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

Indices de règles YARA

rule REvil_SHA256 {
    meta:
        description = "REvil sample: 5a9c0945beff64f7"
        threat_level = "critical"
        first_seen = "2020-08-23"
    condition:
        hash.sha256(0, filesize) == "5a9c0945beff64f70dd87931c2537f87e9b6b975c9a936be9832323c0ddc473c"
}

REvil — Profil du malware

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

Type de malware
Ransomware
Langage de programmation
C
Protocole C2
HTTP
Systèmes ciblés
Windows
Aussi connu sous (AKA)
Sodinokibi

Détails techniques

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 / Acteur de la menace

GOLD SOUTHFIELD, GandCrab successor

Capacités et comportement

Dosya Şifreleme (AES/RSA)
Gölge Kopya Silme
Yedek Kaldırma
Fidye Notu Oluşturma
Kalıcılık Sağlama
Ağ Paylaşımı Şifreleme
Anti-Analiz Teknikleri
Çift Gasp (Data Leak)

Liste IOC (2 indicateurs)

IOC — REvil
# SHA256 5a9c0945beff64f70dd87931c2537f87e9b6b975c9a936be9832323c0ddc473c # MD5 f1abfd32647a4ef1403f8aad03b921d6
TypeValeurNote
sha256 5a9c0945beff64f70dd87931c2537f87e9b6b975c9a936be9832323c0ddc473c Sample:REvil
md5 f1abfd32647a4ef1403f8aad03b921d6 Sample:REvil
Tags
revilransomwaremalwarecriticalsha256hash-analizi