LockBit | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25649e891411c7eb5d49fd52c738dd664879d2b1d6bcb090ce6aeaa0b6342c1ecdc
MD532cdf76f81e20483f45317febc1ed085
File Typeexe
Size244.5 KB
First Seen2023-12-10
File NameSecuriteInfo.com.Trojan.Encoder.37841.18230.3675
Tagsexe, lockbit

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: 49e891411c7eb5d49fd52c738dd664879d2b1d6bcb090ce6aeaa0b6342c1ecdc
  • MD5: 32cdf76f81e20483f45317febc1ed085

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: 49e891411c7eb5d4"
        threat_level = "critical"
        first_seen = "2023-12-10"
    condition:
        hash.sha256(0, filesize) == "49e891411c7eb5d49fd52c738dd664879d2b1d6bcb090ce6aeaa0b6342c1ecdc"
}

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 49e891411c7eb5d49fd52c738dd664879d2b1d6bcb090ce6aeaa0b6342c1ecdc # MD5 32cdf76f81e20483f45317febc1ed085
TypeValueNote
sha256 49e891411c7eb5d49fd52c738dd664879d2b1d6bcb090ce6aeaa0b6342c1ecdc
md5 32cdf76f81e20483f45317febc1ed085

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