LockBit | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25647aa84cda2854d32ed9621b6121281069caecdbe7f0b665183aba0bd4db3d729
MD505299013ef48e5bf6c70d13dd37ddd88
File Typeexe
Size160.5 KB
First Seen2025-06-25
File Name47aa84cda2854d32ed9621b6121281069caecdbe7f0b665183aba0bd4db3d729
TagsBlackMatter, exe, lockbit, lockbit4, lockbit4.0, Ransomware

Malware Family: LockBit

LockBit, yaygın ransomware'dir.

TypeRansomware
Programming LanguageC++
Target PlatformWindows/Linux
C2 Protocol
PurposeRansomware
First Seen Year2019
AliasesLockBit 3.0

Threat Indicators (IOC)

  • SHA256: 47aa84cda2854d32ed9621b6121281069caecdbe7f0b665183aba0bd4db3d729
  • MD5: 05299013ef48e5bf6c70d13dd37ddd88

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 LockBit_SHA256 {
    meta:
        description = "LockBit sample: 47aa84cda2854d32"
        threat_level = "critical"
        first_seen = "2025-06-25"
    condition:
        hash.sha256(0, filesize) == "47aa84cda2854d32ed9621b6121281069caecdbe7f0b665183aba0bd4db3d729"
}

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 47aa84cda2854d32ed9621b6121281069caecdbe7f0b665183aba0bd4db3d729 # MD5 05299013ef48e5bf6c70d13dd37ddd88
TypeValueNote
sha256 47aa84cda2854d32ed9621b6121281069caecdbe7f0b665183aba0bd4db3d729 Sample:LockBit
md5 05299013ef48e5bf6c70d13dd37ddd88 Sample:LockBit

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
lockbitransomwaremalwarecriticalsha256hash-analizi