GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25605b2962c2d222c2fa49443b80c1c941fa689e6d9b71f6e7375897efa5b002fed
MD59f6621de352d210c0268bb3f67be4dd4
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name05b2962c2d222c2fa49443b80c1c941fa689e6d9b71f6e7375897efa5b002fed
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: 05b2962c2d222c2fa49443b80c1c941fa689e6d9b71f6e7375897efa5b002fed
  • MD5: 9f6621de352d210c0268bb3f67be4dd4

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: 05b2962c2d222c2f"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "05b2962c2d222c2fa49443b80c1c941fa689e6d9b71f6e7375897efa5b002fed"
}

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 05b2962c2d222c2fa49443b80c1c941fa689e6d9b71f6e7375897efa5b002fed # MD5 9f6621de352d210c0268bb3f67be4dd4
TypeValueNote
sha256 05b2962c2d222c2fa49443b80c1c941fa689e6d9b71f6e7375897efa5b002fed Sample:GandCrab
md5 9f6621de352d210c0268bb3f67be4dd4 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi