REvil | 脅威レベル: critical | 種別: Ransomware

暗号学的識別子

SHA2561bc9040cfa3738e8a2e0409efb17726c8f4894e462f2e51d2a18664c4c799e16
MD57ec9d06ed280e25df7d85d740f21558a
ファイル種別dll
サイズ116.5 KB
初回確認2020-09-22
ファイル名SeycRmVp.exe
タグexe, REvil, Sodinokibi

マルウェア ファミリー: REvil

REvil, yüksek profilli saldırılar yaptı.

種別Ransomware
プログラミング言語C
対象プラットフォームWindows
C2 プロトコルHTTP
目的Yüksek profilli RaaS
初回確認年2019
別名Sodinokibi

脅威指標 (IOC)

  • SHA256: 1bc9040cfa3738e8a2e0409efb17726c8f4894e462f2e51d2a18664c4c799e16
  • MD5: 7ec9d06ed280e25df7d85d740f21558a

システム クリーンアップ ガイド

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. 身代金は支払わない(ファイル復旧の保証はありません)
  3. 影響を受けたドライブを隔離する
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. 利用可能な復号ツールを試す(NoMoreRansom プロジェクト)
  6. Yetkililere ihbarda bulunun
  7. Temiz bir yedekten kurtarın

YARA ルールのヒント

rule REvil_SHA256 {
    meta:
        description = "REvil sample: 1bc9040cfa3738e8"
        threat_level = "critical"
        first_seen = "2020-09-22"
    condition:
        hash.sha256(0, filesize) == "1bc9040cfa3738e8a2e0409efb17726c8f4894e462f2e51d2a18664c4c799e16"
}

REvil — マルウェアプロファイル

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

マルウェアの種類
Ransomware
プログラミング言語
C
C2プロトコル
HTTP
標的システム
Windows
別名 (AKA)
Sodinokibi

技術詳細

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.

アトリビューション / 脅威アクター

GOLD SOUTHFIELD, GandCrab successor

機能と挙動

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リスト (2 件の指標)

IOC — REvil
# SHA256 1bc9040cfa3738e8a2e0409efb17726c8f4894e462f2e51d2a18664c4c799e16 # MD5 7ec9d06ed280e25df7d85d740f21558a
タイプメモ
sha256 1bc9040cfa3738e8a2e0409efb17726c8f4894e462f2e51d2a18664c4c799e16
md5 7ec9d06ed280e25df7d85d740f21558a
タグ
revilransomwaremalwarecriticalsha256analizzenginleştirilmiş