LockBit | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256a5e6df754a4d3bb72f4d5c91d6b582e7e2c2f87ca838f5d976bc82384a5ad2d1
MD5aa067ea48161558df3279ad6ad514088
File Typeexe
Size159.5 KB
First Seen2023-04-16
File Name2023-04-15_aa067ea48161558df3279ad6ad514088_darkside
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: a5e6df754a4d3bb72f4d5c91d6b582e7e2c2f87ca838f5d976bc82384a5ad2d1
  • MD5: aa067ea48161558df3279ad6ad514088

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: a5e6df754a4d3bb7"
        threat_level = "critical"
        first_seen = "2023-04-16"
    condition:
        hash.sha256(0, filesize) == "a5e6df754a4d3bb72f4d5c91d6b582e7e2c2f87ca838f5d976bc82384a5ad2d1"
}

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 a5e6df754a4d3bb72f4d5c91d6b582e7e2c2f87ca838f5d976bc82384a5ad2d1 # MD5 aa067ea48161558df3279ad6ad514088
TypeValueNote
sha256 a5e6df754a4d3bb72f4d5c91d6b582e7e2c2f87ca838f5d976bc82384a5ad2d1
md5 aa067ea48161558df3279ad6ad514088

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