AvosLocker | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256e9a7b43acdddc3d2101995a2e2072381449054a7d8d381e6dc6ed64153c9c96a
MD5afed45cd85a191fe3b2543e3ae6aa811
File Typeelf
Size1581.4 KB
First Seen2022-03-25
File Namee9a7b43acdddc3d2101995a2e2072381449054a7d8d381e6dc6ed64153c9c96a
TagsAvosLocker, elf, 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: e9a7b43acdddc3d2101995a2e2072381449054a7d8d381e6dc6ed64153c9c96a
  • MD5: afed45cd85a191fe3b2543e3ae6aa811

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: e9a7b43acdddc3d2"
        threat_level = "high"
        first_seen = "2022-03-25"
    condition:
        hash.sha256(0, filesize) == "e9a7b43acdddc3d2101995a2e2072381449054a7d8d381e6dc6ed64153c9c96a"
}

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 e9a7b43acdddc3d2101995a2e2072381449054a7d8d381e6dc6ed64153c9c96a # MD5 afed45cd85a191fe3b2543e3ae6aa811
TypeValueNote
sha256 e9a7b43acdddc3d2101995a2e2072381449054a7d8d381e6dc6ed64153c9c96a Sample:AvosLocker
md5 afed45cd85a191fe3b2543e3ae6aa811 Sample:AvosLocker
Tags
avoslockerransomwaremalwarehighsha256hash-analizi