GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2565aa5aac5ad94703fd3dc0c21b97e2058464d4cf12b7db64828a8fae9b04103fc
MD519ebbd5eb5fdb062a3c356dc535ca012
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name5aa5aac5ad94703fd3dc0c21b97e2058464d4cf12b7db64828a8fae9b04103fc
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: 5aa5aac5ad94703fd3dc0c21b97e2058464d4cf12b7db64828a8fae9b04103fc
  • MD5: 19ebbd5eb5fdb062a3c356dc535ca012

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: 5aa5aac5ad94703f"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "5aa5aac5ad94703fd3dc0c21b97e2058464d4cf12b7db64828a8fae9b04103fc"
}

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 5aa5aac5ad94703fd3dc0c21b97e2058464d4cf12b7db64828a8fae9b04103fc # MD5 19ebbd5eb5fdb062a3c356dc535ca012
TypeValueNote
sha256 5aa5aac5ad94703fd3dc0c21b97e2058464d4cf12b7db64828a8fae9b04103fc Sample:GandCrab
md5 19ebbd5eb5fdb062a3c356dc535ca012 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi