LockBit | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2568958d7b8c51215d6a27444b2760f1ce843a414d380052e6e71c2af6e9ab69ce2
MD5734f101d7a5822e1bf2c66e398ab8c45
File Typeexe
Size959.5 KB
First Seen2023-04-13
File Name2023-04-11_734f101d7a5822e1bf2c66e398ab8c45_lockbit
Tagslockbit

Malware Family: LockBit

LockBit, en fazla saldırıdan sorumlu ransomware'dir.

TypeRansomware
Programming LanguageC++
Target PlatformWindows/Linux
C2 Protocol
PurposeÇifte şantaj ransomware
First Seen Year2019
AliasesLockBit 3.0

Threat Indicators (IOC)

  • SHA256: 8958d7b8c51215d6a27444b2760f1ce843a414d380052e6e71c2af6e9ab69ce2
  • MD5: 734f101d7a5822e1bf2c66e398ab8c45

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. Yetkililere ihbarda bulunun
  7. Temiz bir yedekten kurtarın

YARA Rule Hints

rule LockBit_SHA256 {
    meta:
        description = "LockBit sample: 8958d7b8c51215d6"
        threat_level = "critical"
        first_seen = "2023-04-13"
    condition:
        hash.sha256(0, filesize) == "8958d7b8c51215d6a27444b2760f1ce843a414d380052e6e71c2af6e9ab69ce2"
}

LockBit — Malware Profile

LockBit 3.0 (LockBit Black). bl3.exe builder. CryptProtectMemory DPAPI key protection. WinRAR SFX delivery.

Malware Type
Ransomware
Programming Language
C++
C2 Protocol
Target Systems
Windows/Linux
Also Known As (AKA)
LockBit 3.0

Technical Details

C, RSA-2048 + AES-256 sifreleme (hibrid), vssadmin ile shadow copy silme, Active Directory enum, LockBit Builder ile ozel varyant uretimi, multi-threaded encryption, ransom note TXT/HTA

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 — LockBit
# SHA256 8958d7b8c51215d6a27444b2760f1ce843a414d380052e6e71c2af6e9ab69ce2 # MD5 734f101d7a5822e1bf2c66e398ab8c45
TypeValueNote
sha256 8958d7b8c51215d6a27444b2760f1ce843a414d380052e6e71c2af6e9ab69ce2
md5 734f101d7a5822e1bf2c66e398ab8c45

C2 Servers (2 recorded servers for this family)

Address Type Port Protocol Status Country
35.227.107.189 ip 443 HTTPS sinkholed US
89.185.85.239 ip 443 HTTPS sinkholed NL

C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.

Tags
lockbitransomwaremalwarecriticalsha256analizzenginleştirilmiş