GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f19b891818af3fc7b6d9646f4f4397913251dbc0a6a17d80484db31b69473e0b
MD582d3298c8ea8ce22ed9f334f136e158c
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namef19b891818af3fc7b6d9646f4f4397913251dbc0a6a17d80484db31b69473e0b
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: f19b891818af3fc7b6d9646f4f4397913251dbc0a6a17d80484db31b69473e0b
  • MD5: 82d3298c8ea8ce22ed9f334f136e158c

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: f19b891818af3fc7"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f19b891818af3fc7b6d9646f4f4397913251dbc0a6a17d80484db31b69473e0b"
}

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 f19b891818af3fc7b6d9646f4f4397913251dbc0a6a17d80484db31b69473e0b # MD5 82d3298c8ea8ce22ed9f334f136e158c
TypeValueNote
sha256 f19b891818af3fc7b6d9646f4f4397913251dbc0a6a17d80484db31b69473e0b Sample:GandCrab
md5 82d3298c8ea8ce22ed9f334f136e158c Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi