GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2561afa36ecfd84bc62cbe3f87b1239e7b729e6a367eb701dc3265418fe9d78f200
MD59ec04ede383aad5a6774696a361d515b
File Typeexe
Size121.5 KB
First Seen2022-08-30
File Name1afa36ecfd84bc62cbe3f87b1239e7b729e6a367eb701dc3265418fe9d78f200
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 1afa36ecfd84bc62cbe3f87b1239e7b729e6a367eb701dc3265418fe9d78f200
  • MD5: 9ec04ede383aad5a6774696a361d515b

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: 1afa36ecfd84bc62"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "1afa36ecfd84bc62cbe3f87b1239e7b729e6a367eb701dc3265418fe9d78f200"
}

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 1afa36ecfd84bc62cbe3f87b1239e7b729e6a367eb701dc3265418fe9d78f200 # MD5 9ec04ede383aad5a6774696a361d515b
TypeValueNote
sha256 1afa36ecfd84bc62cbe3f87b1239e7b729e6a367eb701dc3265418fe9d78f200 Sample:GandCrab
md5 9ec04ede383aad5a6774696a361d515b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi