GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256ad7671a6ba808106342113cd1a445addbf62f80f2ab4c6a52055c98e33446933
MD53690f0ab442ae63a7e4ae8b250b8ae7c
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namead7671a6ba808106342113cd1a445addbf62f80f2ab4c6a52055c98e33446933
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: ad7671a6ba808106342113cd1a445addbf62f80f2ab4c6a52055c98e33446933
  • MD5: 3690f0ab442ae63a7e4ae8b250b8ae7c

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: ad7671a6ba808106"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "ad7671a6ba808106342113cd1a445addbf62f80f2ab4c6a52055c98e33446933"
}

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 ad7671a6ba808106342113cd1a445addbf62f80f2ab4c6a52055c98e33446933 # MD5 3690f0ab442ae63a7e4ae8b250b8ae7c
TypeValueNote
sha256 ad7671a6ba808106342113cd1a445addbf62f80f2ab4c6a52055c98e33446933 Sample:GandCrab
md5 3690f0ab442ae63a7e4ae8b250b8ae7c Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi