GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f9897df94a3a4282ace80bc79caa817a8dfd84eda579f4699a08cbe682b04ef8
MD5314a9556f5949b76e360976dc1cc86d3
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Namef9897df94a3a4282ace80bc79caa817a8dfd84eda579f4699a08cbe682b04ef8
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: f9897df94a3a4282ace80bc79caa817a8dfd84eda579f4699a08cbe682b04ef8
  • MD5: 314a9556f5949b76e360976dc1cc86d3

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: f9897df94a3a4282"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f9897df94a3a4282ace80bc79caa817a8dfd84eda579f4699a08cbe682b04ef8"
}

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 f9897df94a3a4282ace80bc79caa817a8dfd84eda579f4699a08cbe682b04ef8 # MD5 314a9556f5949b76e360976dc1cc86d3
TypeValueNote
sha256 f9897df94a3a4282ace80bc79caa817a8dfd84eda579f4699a08cbe682b04ef8 Sample:GandCrab
md5 314a9556f5949b76e360976dc1cc86d3 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi