BlackBasta | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25603309c90e6c60a2e3cd44374efa3003ae10cd9e05ba6a39c77aa5289b32cb969
MD5ac625552601c190656dcb8cf4c21cd1d
File Typeexe
Size716.5 KB
First Seen2022-10-13
File Name03309c90e6c60a2e3cd44374efa3003ae10cd9e05ba6a39c77aa5289b32cb969
TagsBlackBasta, Ransomware

Malware Family: BlackBasta

Black Basta, Conti üyeleriyle ilişkilidir.

TypeRansomware
Programming LanguageC++
Target PlatformWindows/Linux
C2 Protocol
PurposeConti türevi ransomware
First Seen Year2022

Threat Indicators (IOC)

  • SHA256: 03309c90e6c60a2e3cd44374efa3003ae10cd9e05ba6a39c77aa5289b32cb969
  • MD5: ac625552601c190656dcb8cf4c21cd1d

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 BlackBasta_SHA256 {
    meta:
        description = "BlackBasta sample: 03309c90e6c60a2e"
        threat_level = "critical"
        first_seen = "2022-10-13"
    condition:
        hash.sha256(0, filesize) == "03309c90e6c60a2e3cd44374efa3003ae10cd9e05ba6a39c77aa5289b32cb969"
}

BlackBasta — Malware Profile

Black Basta ransomware grubu loaer/dropper. Microsoft Office Setup Engine (ose.pdb) olarak gizlenir. Global\OfficeSourceEngine64Mutex sahte mutex. Self-modifying .ex_cod section. Minimal import + runtime GetProcAddress API cozme. WinHttp C2. Token manipulasyonu.

Malware Type
Ransomware
Programming Language
C++
C2 Protocol
Target Systems
Windows/Linux

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 — BlackBasta
# SHA256 03309c90e6c60a2e3cd44374efa3003ae10cd9e05ba6a39c77aa5289b32cb969 # MD5 ac625552601c190656dcb8cf4c21cd1d
TypeValueNote
sha256 03309c90e6c60a2e3cd44374efa3003ae10cd9e05ba6a39c77aa5289b32cb969 Sample:BlackBasta
md5 ac625552601c190656dcb8cf4c21cd1d Sample:BlackBasta

C2 Servers (1 recorded servers for this family)

Address Type Port Protocol Status Country
aazsbsgya565vlu2c6bzy6yfiebkcbtvvcytvolt33s77xypi7nypxyd.onion domain 443 — inactive —

C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.

Tags
blackbastaransomwaremalwarecriticalsha256hash-analizi