GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256a7c2b1452777c2fc49a9ddfb882026d500a7a6c5a24c736ba76b71d5481a3003
MD5ee8339220dbe7801d2a53fa28cda1dc1
File Typeexe
Size196.5 KB
First Seen2022-08-30
File Namea7c2b1452777c2fc49a9ddfb882026d500a7a6c5a24c736ba76b71d5481a3003
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: a7c2b1452777c2fc49a9ddfb882026d500a7a6c5a24c736ba76b71d5481a3003
  • MD5: ee8339220dbe7801d2a53fa28cda1dc1

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: a7c2b1452777c2fc"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "a7c2b1452777c2fc49a9ddfb882026d500a7a6c5a24c736ba76b71d5481a3003"
}

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 a7c2b1452777c2fc49a9ddfb882026d500a7a6c5a24c736ba76b71d5481a3003 # MD5 ee8339220dbe7801d2a53fa28cda1dc1
TypeValueNote
sha256 a7c2b1452777c2fc49a9ddfb882026d500a7a6c5a24c736ba76b71d5481a3003 Sample:GandCrab
md5 ee8339220dbe7801d2a53fa28cda1dc1 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi