GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256fe5f88a6443e0936176e5f263e45d2b4506e52ee6b7b7f32f709051de45e728f
MD5cd2782a4eb35abcc93a287d64e6ca70e
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Namefe5f88a6443e0936176e5f263e45d2b4506e52ee6b7b7f32f709051de45e728f
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: fe5f88a6443e0936176e5f263e45d2b4506e52ee6b7b7f32f709051de45e728f
  • MD5: cd2782a4eb35abcc93a287d64e6ca70e

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: fe5f88a6443e0936"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "fe5f88a6443e0936176e5f263e45d2b4506e52ee6b7b7f32f709051de45e728f"
}

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 fe5f88a6443e0936176e5f263e45d2b4506e52ee6b7b7f32f709051de45e728f # MD5 cd2782a4eb35abcc93a287d64e6ca70e
TypeValueNote
sha256 fe5f88a6443e0936176e5f263e45d2b4506e52ee6b7b7f32f709051de45e728f Sample:GandCrab
md5 cd2782a4eb35abcc93a287d64e6ca70e Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi