GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2567a81e286ae935fbe06e3d0faf926dc2e5bce2270ca53ae3028bf3339999fd549
MD586b83bc98c62b0f5a7b58d60b0819ad2
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name7a81e286ae935fbe06e3d0faf926dc2e5bce2270ca53ae3028bf3339999fd549
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 7a81e286ae935fbe06e3d0faf926dc2e5bce2270ca53ae3028bf3339999fd549
  • MD5: 86b83bc98c62b0f5a7b58d60b0819ad2

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: 7a81e286ae935fbe"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "7a81e286ae935fbe06e3d0faf926dc2e5bce2270ca53ae3028bf3339999fd549"
}

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 7a81e286ae935fbe06e3d0faf926dc2e5bce2270ca53ae3028bf3339999fd549 # MD5 86b83bc98c62b0f5a7b58d60b0819ad2
TypeValueNote
sha256 7a81e286ae935fbe06e3d0faf926dc2e5bce2270ca53ae3028bf3339999fd549 Sample:GandCrab
md5 86b83bc98c62b0f5a7b58d60b0819ad2 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi