GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256c41bdbc326be8bca700efef954ec216ea831bd842781ae5903f58c3f68ac49ea
MD5c86651a61286f79e49f54849894be698
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namec41bdbc326be8bca700efef954ec216ea831bd842781ae5903f58c3f68ac49ea
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

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

Threat Indicators (IOC)

  • SHA256: c41bdbc326be8bca700efef954ec216ea831bd842781ae5903f58c3f68ac49ea
  • MD5: c86651a61286f79e49f54849894be698

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: c41bdbc326be8bca"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "c41bdbc326be8bca700efef954ec216ea831bd842781ae5903f58c3f68ac49ea"
}

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 c41bdbc326be8bca700efef954ec216ea831bd842781ae5903f58c3f68ac49ea # MD5 c86651a61286f79e49f54849894be698
TypeValueNote
sha256 c41bdbc326be8bca700efef954ec216ea831bd842781ae5903f58c3f68ac49ea Sample:GandCrab
md5 c86651a61286f79e49f54849894be698 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi