LockBit | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256bf1c0e2ca07484fafc27ac89aabbcb7b8ddfbc271fd8e6f11da9886e1713615d
MD5cc3b574a04a8a84bb8a2bbfb7dddc278
File Typeexe
Size146.5 KB
First Seen2025-05-08
File NameCCC13111.exe
TagsBlackMatter, exe, 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: bf1c0e2ca07484fafc27ac89aabbcb7b8ddfbc271fd8e6f11da9886e1713615d
  • MD5: cc3b574a04a8a84bb8a2bbfb7dddc278

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: bf1c0e2ca07484fa"
        threat_level = "critical"
        first_seen = "2025-05-08"
    condition:
        hash.sha256(0, filesize) == "bf1c0e2ca07484fafc27ac89aabbcb7b8ddfbc271fd8e6f11da9886e1713615d"
}

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 bf1c0e2ca07484fafc27ac89aabbcb7b8ddfbc271fd8e6f11da9886e1713615d # MD5 cc3b574a04a8a84bb8a2bbfb7dddc278
TypeValueNote
sha256 bf1c0e2ca07484fafc27ac89aabbcb7b8ddfbc271fd8e6f11da9886e1713615d Sample:LockBit
md5 cc3b574a04a8a84bb8a2bbfb7dddc278 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