LockBit | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256a35c3274a726b27cbcef5abe3f28d8f9675a30883490d37f23b4d730d72eca42
MD5957031f0e075b8adb355aeeb11aa9839
File Typeexe
Size146.5 KB
First Seen2022-12-29
File Namefile
Tagsexe, lockbit

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: a35c3274a726b27cbcef5abe3f28d8f9675a30883490d37f23b4d730d72eca42
  • MD5: 957031f0e075b8adb355aeeb11aa9839

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: a35c3274a726b27c"
        threat_level = "critical"
        first_seen = "2022-12-29"
    condition:
        hash.sha256(0, filesize) == "a35c3274a726b27cbcef5abe3f28d8f9675a30883490d37f23b4d730d72eca42"
}

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 a35c3274a726b27cbcef5abe3f28d8f9675a30883490d37f23b4d730d72eca42 # MD5 957031f0e075b8adb355aeeb11aa9839
TypeValueNote
sha256 a35c3274a726b27cbcef5abe3f28d8f9675a30883490d37f23b4d730d72eca42 Sample:LockBit
md5 957031f0e075b8adb355aeeb11aa9839 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