AvosLocker | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256fb544e1f74ce02937c3a3657be8d125d5953996115f65697b7d39e237020706f
MD576e177a94834b3f7c63257bc8011f60f
File Typeexe
Size402.5 KB
First Seen2021-07-23
File Namefb544e1f74ce02937c3a3657be8d125d5953996115f65697b7d39e237020706f.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: fb544e1f74ce02937c3a3657be8d125d5953996115f65697b7d39e237020706f
  • MD5: 76e177a94834b3f7c63257bc8011f60f

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: fb544e1f74ce0293"
        threat_level = "high"
        first_seen = "2021-07-23"
    condition:
        hash.sha256(0, filesize) == "fb544e1f74ce02937c3a3657be8d125d5953996115f65697b7d39e237020706f"
}

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 fb544e1f74ce02937c3a3657be8d125d5953996115f65697b7d39e237020706f # MD5 76e177a94834b3f7c63257bc8011f60f
TypeValueNote
sha256 fb544e1f74ce02937c3a3657be8d125d5953996115f65697b7d39e237020706f Sample:AvosLocker
md5 76e177a94834b3f7c63257bc8011f60f Sample:AvosLocker
Tags
avoslockerransomwaremalwarehighsha256hash-analizi