GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f58370e8a325e608e64d9a604d71215c14362ff83143ed2595fa1c7733e91b26
MD5e296ad3f6749a4cb7128de0c94e58280
File Typeexe
Size97.5 KB
First Seen2022-08-30
File Namef58370e8a325e608e64d9a604d71215c14362ff83143ed2595fa1c7733e91b26
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: f58370e8a325e608e64d9a604d71215c14362ff83143ed2595fa1c7733e91b26
  • MD5: e296ad3f6749a4cb7128de0c94e58280

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: f58370e8a325e608"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f58370e8a325e608e64d9a604d71215c14362ff83143ed2595fa1c7733e91b26"
}

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 f58370e8a325e608e64d9a604d71215c14362ff83143ed2595fa1c7733e91b26 # MD5 e296ad3f6749a4cb7128de0c94e58280
TypeValueNote
sha256 f58370e8a325e608e64d9a604d71215c14362ff83143ed2595fa1c7733e91b26 Sample:GandCrab
md5 e296ad3f6749a4cb7128de0c94e58280 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi