GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25688416c8a81b9c18cd4c41a1bea9b6d6c9f0dde5bcc572f8a153601b100f67a70
MD50194421d50184b76f89a1ed202cdfa52
File Typeexe
Size40.0 KB
First Seen2022-08-30
File Name88416c8a81b9c18cd4c41a1bea9b6d6c9f0dde5bcc572f8a153601b100f67a70
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 88416c8a81b9c18cd4c41a1bea9b6d6c9f0dde5bcc572f8a153601b100f67a70
  • MD5: 0194421d50184b76f89a1ed202cdfa52

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: 88416c8a81b9c18c"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "88416c8a81b9c18cd4c41a1bea9b6d6c9f0dde5bcc572f8a153601b100f67a70"
}

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 88416c8a81b9c18cd4c41a1bea9b6d6c9f0dde5bcc572f8a153601b100f67a70 # MD5 0194421d50184b76f89a1ed202cdfa52
TypeValueNote
sha256 88416c8a81b9c18cd4c41a1bea9b6d6c9f0dde5bcc572f8a153601b100f67a70 Sample:GandCrab
md5 0194421d50184b76f89a1ed202cdfa52 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi