Conti | Niveau de menace: critical | Type: Ransomware

Identifiants cryptographiques

SHA256a83796aa471d9710b44d2ca9196d990b189cb9cbe1846e688be8660c5a6298dd
MD5b2a627779dbdb376cf94bd6ad4e670eb
Type de fichierexe
Taille214.0 KB
Première observation2025-08-05
Nom du fichier2025-08-05_b2a627779dbdb376cf94bd6ad4e670eb_bitrat_black-basta_conti_elex_luca-stealer.exe
Étiquettesconti, exe

Famille de malware: Conti

Conti, büyük kurumları hedef aldı.

TypeRansomware
Langage de programmationC++
Plateforme cibleWindows/Linux
Protocole C2
ObjectifKurumsal sektör ransomware
Année de première observation2020

Indicateurs de menace (IOC)

  • SHA256: a83796aa471d9710b44d2ca9196d990b189cb9cbe1846e688be8660c5a6298dd
  • MD5: b2a627779dbdb376cf94bd6ad4e670eb

Vous pouvez vérifier toutes les valeurs de hachage de cet échantillon sur VirusTotal.

Guide de nettoyage du système

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. Ne payez pas la rançon — rien ne garantit la récupération des fichiers
  3. Mettez en quarantaine les disques concernés
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Essayez les outils de déchiffrement disponibles (projet NoMoreRansom)
  6. Signalez l’incident aux autorités (unité de cybercriminalité)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

Indices de règles YARA

rule Conti_SHA256 {
    meta:
        description = "Conti sample: a83796aa471d9710"
        threat_level = "critical"
        first_seen = "2025-08-05"
    condition:
        hash.sha256(0, filesize) == "a83796aa471d9710b44d2ca9196d990b189cb9cbe1846e688be8660c5a6298dd"
}

Conti — Profil du malware

Conti ransomware. run-as-admin.exe UAC bypass. supp onion victim support. __MUTEX_NAME__ template. DisallowRun security block. TrickBot/BazarLoader delivery.

Type de malware
Ransomware
Langage de programmation
C++
Protocole C2
Systèmes ciblés
Windows/Linux

Détails techniques

Conti ransomware operated by WIZARD SPIDER, active 2020-2022. One of the most prolific and destructive RaaS operations. Double extortion: file encryption + data leak site (Conti News). Encryption: ChaCha20 for files + RSA-4096 for key exchange. Highly configurable with full C source code (supports network drives, SMB shares). Conti Playbook leaked September 2021 revealing TTPs. Source code and internal chats leaked by Ukrainian researcher March 2022 after Conti publicly sided with Russia in Ukraine conflict. Attack on Costa Rica government (2022) caused national emergency declaration. Dissolved into multiple successor groups: Black Basta, BlackByte, Royal, Akira.

Attribution / Acteur de la menace

WIZARD SPIDER, multiple successor groups

Capacités et comportement

Dosya Şifreleme (AES/RSA)
Gölge Kopya Silme
Yedek Kaldırma
Fidye Notu Oluşturma
Kalıcılık Sağlama
Ağ Paylaşımı Şifreleme
Anti-Analiz Teknikleri
Çift Gasp (Data Leak)

Liste IOC (2 indicateurs)

IOC — Conti
# SHA256 a83796aa471d9710b44d2ca9196d990b189cb9cbe1846e688be8660c5a6298dd # MD5 b2a627779dbdb376cf94bd6ad4e670eb
TypeValeurNote
sha256 a83796aa471d9710b44d2ca9196d990b189cb9cbe1846e688be8660c5a6298dd Sample:Conti
md5 b2a627779dbdb376cf94bd6ad4e670eb Sample:Conti

Serveurs C2 (8 serveurs enregistrés pour cette famille)

Adresse Type Port Protocole Statut Pays
mojobiden.com domain 80 HTTP active —
mojobiden.com domain 80 HTTP active —
213.234.12.78 ip 8080 HTTP inactive UA
paymenthacks.com domain 443 HTTPS inactive —
myosbja7hixkkjqihsjh6yvmqplz62gr3r4isctjjtu2vm5jg6hsv2ad.onion domain 80 HTTPS inactive —
mblogci3rudehaagbryjznltdp33ojwzkq6hn2pckvjq33rycmzczpid.onion domain 80 HTTPS inactive —
paymenthacks.com domain 80 HTTP inactive —
85.62.61.3 ip 443 HTTPS sinkholed RU

Les adresses C2 proviennent uniquement d'échantillons de malwares vérifiés manuellement par l'équipe KEYDAL. Toute utilisation commerciale est interdite.

Tags
contiransomwaremalwarecriticalsha256hash-analizi