GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2569cd58eab77d91223c4eac1173f13063fc1ef0e5640aab65b73a3fb4af995654b
MD53f222fd96ffcda58f07a96c4b1f6dd43
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name9cd58eab77d91223c4eac1173f13063fc1ef0e5640aab65b73a3fb4af995654b
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 9cd58eab77d91223c4eac1173f13063fc1ef0e5640aab65b73a3fb4af995654b
  • MD5: 3f222fd96ffcda58f07a96c4b1f6dd43

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: 9cd58eab77d91223"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "9cd58eab77d91223c4eac1173f13063fc1ef0e5640aab65b73a3fb4af995654b"
}

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 9cd58eab77d91223c4eac1173f13063fc1ef0e5640aab65b73a3fb4af995654b # MD5 3f222fd96ffcda58f07a96c4b1f6dd43
TypeValueNote
sha256 9cd58eab77d91223c4eac1173f13063fc1ef0e5640aab65b73a3fb4af995654b Sample:GandCrab
md5 3f222fd96ffcda58f07a96c4b1f6dd43 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi