暗号学的識別子
| SHA256 | d6762eff16452434ac1acc127f082906cc1ae5b0ff026d0d4fe725711db47763 |
|---|---|
| MD5 | e199f02ffcf1b1769c8aeb580f627267 |
| ファイル種別 | elf |
| サイズ | 102.8 KB |
| 初回確認 | 2021-06-28 |
| ファイル名 | d6762eff16452434ac1acc127f082906cc1ae5b0ff026d0d4fe725711db47763.bin |
| タグ | elf, Ransomware, REvil |
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:
d6762eff16452434ac1acc127f082906cc1ae5b0ff026d0d4fe725711db47763 - MD5:
e199f02ffcf1b1769c8aeb580f627267
システム クリーンアップ ガイド
- Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
- 身代金は支払わない(ファイル復旧の保証はありません)
- 影響を受けたドライブを隔離する
- Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
- 利用可能な復号ツールを試す(NoMoreRansom プロジェクト)
- Yetkililere ihbarda bulunun
- Temiz bir yedekten kurtarın
YARA ルールのヒント
rule REvil_SHA256 {
meta:
description = "REvil sample: d6762eff16452434"
threat_level = "critical"
first_seen = "2021-06-28"
condition:
hash.sha256(0, filesize) == "d6762eff16452434ac1acc127f082906cc1ae5b0ff026d0d4fe725711db47763"
}
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.
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
IOCリスト (2 件の指標)
# SHA256
d6762eff16452434ac1acc127f082906cc1ae5b0ff026d0d4fe725711db47763
# MD5
e199f02ffcf1b1769c8aeb580f627267
| タイプ | 値 | メモ |
|---|---|---|
| sha256 | d6762eff16452434ac1acc127f082906cc1ae5b0ff026d0d4fe725711db47763 | |
| md5 | e199f02ffcf1b1769c8aeb580f627267 |