GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256218a2e0b5d908bb14e2795765d48cc1222bf7d71dc13c765ceb5ff6acc0b825d
MD5f29f84b9b9fce6fd5c07597ee66aa18c
File Typeexe
Size97.5 KB
First Seen2022-08-30
File Name218a2e0b5d908bb14e2795765d48cc1222bf7d71dc13c765ceb5ff6acc0b825d
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: 218a2e0b5d908bb14e2795765d48cc1222bf7d71dc13c765ceb5ff6acc0b825d
  • MD5: f29f84b9b9fce6fd5c07597ee66aa18c

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: 218a2e0b5d908bb1"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "218a2e0b5d908bb14e2795765d48cc1222bf7d71dc13c765ceb5ff6acc0b825d"
}

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 218a2e0b5d908bb14e2795765d48cc1222bf7d71dc13c765ceb5ff6acc0b825d # MD5 f29f84b9b9fce6fd5c07597ee66aa18c
TypeValueNote
sha256 218a2e0b5d908bb14e2795765d48cc1222bf7d71dc13c765ceb5ff6acc0b825d Sample:GandCrab
md5 f29f84b9b9fce6fd5c07597ee66aa18c Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi