AvosLocker | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25684d94c032543e8797a514323b0b8fd8bd69b4183f17351628b13d1464093af2d
MD5377676b06b8a28e60d638ab67df2bdb0
File Typeexe
Size921.0 KB
First Seen2021-12-24
File Name84d94c032543e8797a514323b0b8fd8bd69b4183f17351628b13d1464093af2d.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: 84d94c032543e8797a514323b0b8fd8bd69b4183f17351628b13d1464093af2d
  • MD5: 377676b06b8a28e60d638ab67df2bdb0

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: 84d94c032543e879"
        threat_level = "high"
        first_seen = "2021-12-24"
    condition:
        hash.sha256(0, filesize) == "84d94c032543e8797a514323b0b8fd8bd69b4183f17351628b13d1464093af2d"
}

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 84d94c032543e8797a514323b0b8fd8bd69b4183f17351628b13d1464093af2d # MD5 377676b06b8a28e60d638ab67df2bdb0
TypeValueNote
sha256 84d94c032543e8797a514323b0b8fd8bd69b4183f17351628b13d1464093af2d Sample:AvosLocker
md5 377676b06b8a28e60d638ab67df2bdb0 Sample:AvosLocker
Tags
avoslockerransomwaremalwarehighsha256hash-analizi