LockBit | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256624188b7b839afe83d2cc6593448b73e94c40085671f967846ac3901c9f75249
MD527a50ffd08039f8b2b78e8e7c44a6e83
File Typeelf
Size370.2 KB
First Seen2023-04-17
File Namelocker_Linux_32
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: 624188b7b839afe83d2cc6593448b73e94c40085671f967846ac3901c9f75249
  • MD5: 27a50ffd08039f8b2b78e8e7c44a6e83

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: 624188b7b839afe8"
        threat_level = "critical"
        first_seen = "2023-04-17"
    condition:
        hash.sha256(0, filesize) == "624188b7b839afe83d2cc6593448b73e94c40085671f967846ac3901c9f75249"
}

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 624188b7b839afe83d2cc6593448b73e94c40085671f967846ac3901c9f75249 # MD5 27a50ffd08039f8b2b78e8e7c44a6e83
TypeValueNote
sha256 624188b7b839afe83d2cc6593448b73e94c40085671f967846ac3901c9f75249 Sample:LockBit
md5 27a50ffd08039f8b2b78e8e7c44a6e83 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