GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2565a59abc25c926fa98d448200ae5925fabbf6cdd1e7c19d8b5db06c2e7385f385
MD51f674e01a9d0ad2399e3c5ac2fed49cf
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name5a59abc25c926fa98d448200ae5925fabbf6cdd1e7c19d8b5db06c2e7385f385
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 5a59abc25c926fa98d448200ae5925fabbf6cdd1e7c19d8b5db06c2e7385f385
  • MD5: 1f674e01a9d0ad2399e3c5ac2fed49cf

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: 5a59abc25c926fa9"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "5a59abc25c926fa98d448200ae5925fabbf6cdd1e7c19d8b5db06c2e7385f385"
}

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 5a59abc25c926fa98d448200ae5925fabbf6cdd1e7c19d8b5db06c2e7385f385 # MD5 1f674e01a9d0ad2399e3c5ac2fed49cf
TypeValueNote
sha256 5a59abc25c926fa98d448200ae5925fabbf6cdd1e7c19d8b5db06c2e7385f385 Sample:GandCrab
md5 1f674e01a9d0ad2399e3c5ac2fed49cf Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi