GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256c12166013c01a3fabf101b13f140be31b3a6f2003425f3eaa5232fe6fad00680
MD54e89729754313d6868ca1492884e60d0
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namec12166013c01a3fabf101b13f140be31b3a6f2003425f3eaa5232fe6fad00680
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: c12166013c01a3fabf101b13f140be31b3a6f2003425f3eaa5232fe6fad00680
  • MD5: 4e89729754313d6868ca1492884e60d0

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: c12166013c01a3fa"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "c12166013c01a3fabf101b13f140be31b3a6f2003425f3eaa5232fe6fad00680"
}

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 c12166013c01a3fabf101b13f140be31b3a6f2003425f3eaa5232fe6fad00680 # MD5 4e89729754313d6868ca1492884e60d0
TypeValueNote
sha256 c12166013c01a3fabf101b13f140be31b3a6f2003425f3eaa5232fe6fad00680 Sample:GandCrab
md5 4e89729754313d6868ca1492884e60d0 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi