AvosLocker | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256cdca6936b880ab4559d3d96101e38f0cf58b87d07b0c7bf708d078c2bf209460
MD5a39b4bea47c4d123f8195a3ffb638a1b
File Typeelf
Size1577.3 KB
First Seen2022-03-25
File Namecdca6936b880ab4559d3d96101e38f0cf58b87d07b0c7bf708d078c2bf209460.elf
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: cdca6936b880ab4559d3d96101e38f0cf58b87d07b0c7bf708d078c2bf209460
  • MD5: a39b4bea47c4d123f8195a3ffb638a1b

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: cdca6936b880ab45"
        threat_level = "high"
        first_seen = "2022-03-25"
    condition:
        hash.sha256(0, filesize) == "cdca6936b880ab4559d3d96101e38f0cf58b87d07b0c7bf708d078c2bf209460"
}

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 cdca6936b880ab4559d3d96101e38f0cf58b87d07b0c7bf708d078c2bf209460 # MD5 a39b4bea47c4d123f8195a3ffb638a1b
TypeValueNote
sha256 cdca6936b880ab4559d3d96101e38f0cf58b87d07b0c7bf708d078c2bf209460 Sample:AvosLocker
md5 a39b4bea47c4d123f8195a3ffb638a1b Sample:AvosLocker
Tags
avoslockerransomwaremalwarehighsha256hash-analizi