GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2569a0f5a58cb7a8a53ac987b9544429a5b2229555b224702d6782e22e4fd456c2d
MD5e4b010f77bfa05fab61404bc9d23e92d
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name9a0f5a58cb7a8a53ac987b9544429a5b2229555b224702d6782e22e4fd456c2d
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 9a0f5a58cb7a8a53ac987b9544429a5b2229555b224702d6782e22e4fd456c2d
  • MD5: e4b010f77bfa05fab61404bc9d23e92d

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: 9a0f5a58cb7a8a53"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "9a0f5a58cb7a8a53ac987b9544429a5b2229555b224702d6782e22e4fd456c2d"
}

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 9a0f5a58cb7a8a53ac987b9544429a5b2229555b224702d6782e22e4fd456c2d # MD5 e4b010f77bfa05fab61404bc9d23e92d
TypeValueNote
sha256 9a0f5a58cb7a8a53ac987b9544429a5b2229555b224702d6782e22e4fd456c2d Sample:GandCrab
md5 e4b010f77bfa05fab61404bc9d23e92d Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi