GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256143ab2b0e4d02a7518d62a2bb47718d564a1337714f6e16822e2b01563dc5c28
MD5c883d61e79677c0603db400179722229
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name143ab2b0e4d02a7518d62a2bb47718d564a1337714f6e16822e2b01563dc5c28
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 143ab2b0e4d02a7518d62a2bb47718d564a1337714f6e16822e2b01563dc5c28
  • MD5: c883d61e79677c0603db400179722229

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: 143ab2b0e4d02a75"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "143ab2b0e4d02a7518d62a2bb47718d564a1337714f6e16822e2b01563dc5c28"
}

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 143ab2b0e4d02a7518d62a2bb47718d564a1337714f6e16822e2b01563dc5c28 # MD5 c883d61e79677c0603db400179722229
TypeValueNote
sha256 143ab2b0e4d02a7518d62a2bb47718d564a1337714f6e16822e2b01563dc5c28 Sample:GandCrab
md5 c883d61e79677c0603db400179722229 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi