Cryptographic Identifiers
| SHA256 | 45b6349ee9d53278f350b59d4a2a28890bbe9f9de6565453db4c085bb5875865 |
|---|---|
| MD5 | 6f208841cfd819c29a7cbc0a202bd7a3 |
| File Type | unknown |
| Size | 333.0 KB |
| First Seen | 2021-06-28 |
| File Name | 45b6349ee9d53278f350b59d4a2a28890bbe9f9de6565453db4c085bb5875865.dll |
| Tags | REvil |
Malware Family: REvil
REvil, yüksek profilli saldırılar yaptı.
| Type | Ransomware |
|---|---|
| Programming Language | C |
| Target Platform | Windows |
| C2 Protocol | HTTP |
| Purpose | Yüksek profilli RaaS |
| First Seen Year | 2019 |
| Aliases | Sodinokibi |
Threat Indicators (IOC)
- SHA256:
45b6349ee9d53278f350b59d4a2a28890bbe9f9de6565453db4c085bb5875865 - MD5:
6f208841cfd819c29a7cbc0a202bd7a3
System Cleanup Guide
- Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
- Do not pay the ransom — there is no guarantee your files will be restored
- Quarantine the affected drives
- Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
- Try available decryptor tools (the NoMoreRansom project)
- Yetkililere ihbarda bulunun
- Temiz bir yedekten kurtarın
YARA Rule Hints
rule REvil_SHA256 {
meta:
description = "REvil sample: 45b6349ee9d53278"
threat_level = "critical"
first_seen = "2021-06-28"
condition:
hash.sha256(0, filesize) == "45b6349ee9d53278f350b59d4a2a28890bbe9f9de6565453db4c085bb5875865"
}
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
45b6349ee9d53278f350b59d4a2a28890bbe9f9de6565453db4c085bb5875865
# MD5
6f208841cfd819c29a7cbc0a202bd7a3
| Type | Value | Note |
|---|---|---|
| sha256 | 45b6349ee9d53278f350b59d4a2a28890bbe9f9de6565453db4c085bb5875865 | |
| md5 | 6f208841cfd819c29a7cbc0a202bd7a3 |