GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256537158d7d9fa05cf4e42afe6ab06ff3a894f99d5e5b81750eb87954187c6aaee
MD55e518195e201484b48a7ffc23fe84677
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name537158d7d9fa05cf4e42afe6ab06ff3a894f99d5e5b81750eb87954187c6aaee
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 537158d7d9fa05cf4e42afe6ab06ff3a894f99d5e5b81750eb87954187c6aaee
  • MD5: 5e518195e201484b48a7ffc23fe84677

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: 537158d7d9fa05cf"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "537158d7d9fa05cf4e42afe6ab06ff3a894f99d5e5b81750eb87954187c6aaee"
}

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 537158d7d9fa05cf4e42afe6ab06ff3a894f99d5e5b81750eb87954187c6aaee # MD5 5e518195e201484b48a7ffc23fe84677
TypeValueNote
sha256 537158d7d9fa05cf4e42afe6ab06ff3a894f99d5e5b81750eb87954187c6aaee Sample:GandCrab
md5 5e518195e201484b48a7ffc23fe84677 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi