LockBit | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2565b6bc0adf45e1004c673bd2f2b58de6bf9355f7aabc993c9406dc3769d690b19
MD5240091bf20aa033e9b187ed2dd516c2d
File Typeelf
Size284.2 KB
First Seen2023-04-17
File Namelocker_PowerPC_64
Tagslockbit, 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: 5b6bc0adf45e1004c673bd2f2b58de6bf9355f7aabc993c9406dc3769d690b19
  • MD5: 240091bf20aa033e9b187ed2dd516c2d

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: 5b6bc0adf45e1004"
        threat_level = "critical"
        first_seen = "2023-04-17"
    condition:
        hash.sha256(0, filesize) == "5b6bc0adf45e1004c673bd2f2b58de6bf9355f7aabc993c9406dc3769d690b19"
}

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 5b6bc0adf45e1004c673bd2f2b58de6bf9355f7aabc993c9406dc3769d690b19 # MD5 240091bf20aa033e9b187ed2dd516c2d
TypeValueNote
sha256 5b6bc0adf45e1004c673bd2f2b58de6bf9355f7aabc993c9406dc3769d690b19 Sample:LockBit
md5 240091bf20aa033e9b187ed2dd516c2d 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