LockBit | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2564f76df691e2ea292b56812eb3167efcab655382d632048ff63781f5d41f86433
MD5c40abd19c60371e1daf19346d88d2881
File Typeexe
Size187.0 KB
First Seen2025-02-27
File Namelockbit4.bin
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: 4f76df691e2ea292b56812eb3167efcab655382d632048ff63781f5d41f86433
  • MD5: c40abd19c60371e1daf19346d88d2881

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: 4f76df691e2ea292"
        threat_level = "critical"
        first_seen = "2025-02-27"
    condition:
        hash.sha256(0, filesize) == "4f76df691e2ea292b56812eb3167efcab655382d632048ff63781f5d41f86433"
}

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 4f76df691e2ea292b56812eb3167efcab655382d632048ff63781f5d41f86433 # MD5 c40abd19c60371e1daf19346d88d2881
TypeValueNote
sha256 4f76df691e2ea292b56812eb3167efcab655382d632048ff63781f5d41f86433
md5 c40abd19c60371e1daf19346d88d2881

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