AvosLocker | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256bff12a83b1fc2e0ad0000ad9b68abc8eada559bb1094caaf5b9f52887df23705
MD519944159dfa94a1b75effd85e6b906dc
File Typeexe
Size807.5 KB
First Seen2023-01-24
File NameRoseland.bin
TagsAvosLocker, exe

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: bff12a83b1fc2e0ad0000ad9b68abc8eada559bb1094caaf5b9f52887df23705
  • MD5: 19944159dfa94a1b75effd85e6b906dc

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: bff12a83b1fc2e0a"
        threat_level = "high"
        first_seen = "2023-01-24"
    condition:
        hash.sha256(0, filesize) == "bff12a83b1fc2e0ad0000ad9b68abc8eada559bb1094caaf5b9f52887df23705"
}

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 bff12a83b1fc2e0ad0000ad9b68abc8eada559bb1094caaf5b9f52887df23705 # MD5 19944159dfa94a1b75effd85e6b906dc
TypeValueNote
sha256 bff12a83b1fc2e0ad0000ad9b68abc8eada559bb1094caaf5b9f52887df23705 Sample:AvosLocker
md5 19944159dfa94a1b75effd85e6b906dc Sample:AvosLocker
Tags
avoslockerransomwaremalwarehighsha256hash-analizi