AvosLocker | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25643b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856
MD5d285f1366d0d4fdae0b558db690497ea
File Typeexe
Size402.5 KB
First Seen2021-07-23
File Name43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.bin
TagsAvosLocker, exe, Ransomware

Malware Family: AvosLocker

AvosLocker, ESXi'yi hedefleyen RaaS'tır.

TypeRansomware
Programming LanguageC++
Target PlatformWindows/Linux
C2 Protocol
PurposeESXi RaaS
First Seen Year2021

Threat Indicators (IOC)

  • SHA256: 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856
  • MD5: d285f1366d0d4fdae0b558db690497ea

You can verify all hash values of this sample on VirusTotal.

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. Report the incident to the authorities (cybercrime unit)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

YARA Rule Hints

rule AvosLocker_SHA256 {
    meta:
        description = "AvosLocker sample: 43b7a60c0ef8b4af"
        threat_level = "high"
        first_seen = "2021-07-23"
    condition:
        hash.sha256(0, filesize) == "43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856"
}

AvosLocker — Malware Profile

AvosLocker RaaS. CryptoPP AES-NI SIMD + ECDH. FBI/CISA uyarisi. ABD kritik altyapi.

Malware Type
Ransomware
Programming Language
C++
C2 Protocol
Target Systems
Windows/Linux

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 — AvosLocker
# SHA256 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856 # MD5 d285f1366d0d4fdae0b558db690497ea
TypeValueNote
sha256 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856 Sample:AvosLocker
md5 d285f1366d0d4fdae0b558db690497ea Sample:AvosLocker
Tags
avoslockerransomwaremalwarehighsha256hash-analizi