GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2565f86cb53d1b46d00ccf7716b666ff47fb1c09bd6bc5091aa57a3c23487eb819b
MD54f5dcbf6355df185318f383490e8ea05
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name5f86cb53d1b46d00ccf7716b666ff47fb1c09bd6bc5091aa57a3c23487eb819b
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

TypeRansomware
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeMaaS ransomware
First Seen Year2018

Threat Indicators (IOC)

  • SHA256: 5f86cb53d1b46d00ccf7716b666ff47fb1c09bd6bc5091aa57a3c23487eb819b
  • MD5: 4f5dcbf6355df185318f383490e8ea05

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 GandCrab_SHA256 {
    meta:
        description = "GandCrab sample: 5f86cb53d1b46d00"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "5f86cb53d1b46d00ccf7716b666ff47fb1c09bd6bc5091aa57a3c23487eb819b"
}

GandCrab — Malware Profile

GandCrab, 2018-2019 aktif RaaS ailesidir. 1.5 milyar USD hasar. RSA+Salsa20. Haziran 2019 kapandi. REvil oncusu.

Malware Type
Ransomware
Programming Language
C
C2 Protocol
HTTP
Target Systems
Windows

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 — GandCrab
# SHA256 5f86cb53d1b46d00ccf7716b666ff47fb1c09bd6bc5091aa57a3c23487eb819b # MD5 4f5dcbf6355df185318f383490e8ea05
TypeValueNote
sha256 5f86cb53d1b46d00ccf7716b666ff47fb1c09bd6bc5091aa57a3c23487eb819b Sample:GandCrab
md5 4f5dcbf6355df185318f383490e8ea05 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi