LockBit | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256da443217cb10bdc98409fa3620b5eb6a906bd7ac9d879083b0bc44bf31355fb3
MD543059669c7e2082eca14dd626869363d
File Typegz
Size270.6 KB
First Seen2022-10-20
File Namea736269f5f3a9f2e11dd776e352e1801bc28bb699e47876784b8ef761e0062db.bin.sample.gz
TagsBuilder, gz, lockbit, 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: da443217cb10bdc98409fa3620b5eb6a906bd7ac9d879083b0bc44bf31355fb3
  • MD5: 43059669c7e2082eca14dd626869363d

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: da443217cb10bdc9"
        threat_level = "critical"
        first_seen = "2022-10-20"
    condition:
        hash.sha256(0, filesize) == "da443217cb10bdc98409fa3620b5eb6a906bd7ac9d879083b0bc44bf31355fb3"
}

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 da443217cb10bdc98409fa3620b5eb6a906bd7ac9d879083b0bc44bf31355fb3 # MD5 43059669c7e2082eca14dd626869363d
TypeValueNote
sha256 da443217cb10bdc98409fa3620b5eb6a906bd7ac9d879083b0bc44bf31355fb3 Sample:LockBit
md5 43059669c7e2082eca14dd626869363d 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