GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256e81da122428599a84c7ad775f5757f31187cbd8729c331710238f6ef6bd44863
MD57d74aaa7494d12f712a46e4131dca962
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namee81da122428599a84c7ad775f5757f31187cbd8729c331710238f6ef6bd44863
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: e81da122428599a84c7ad775f5757f31187cbd8729c331710238f6ef6bd44863
  • MD5: 7d74aaa7494d12f712a46e4131dca962

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: e81da122428599a8"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "e81da122428599a84c7ad775f5757f31187cbd8729c331710238f6ef6bd44863"
}

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 e81da122428599a84c7ad775f5757f31187cbd8729c331710238f6ef6bd44863 # MD5 7d74aaa7494d12f712a46e4131dca962
TypeValueNote
sha256 e81da122428599a84c7ad775f5757f31187cbd8729c331710238f6ef6bd44863 Sample:GandCrab
md5 7d74aaa7494d12f712a46e4131dca962 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi