GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2560a96b0ac4e36324557c3dc0c85fff1bee7dfcb1adcfa6ca1b9aa68a0308c3cbf
MD5a44eaa8b0885123188ac4dd0d53da88f
File Typeexe
Size139.0 KB
First Seen2022-08-30
File Name0a96b0ac4e36324557c3dc0c85fff1bee7dfcb1adcfa6ca1b9aa68a0308c3cbf
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 0a96b0ac4e36324557c3dc0c85fff1bee7dfcb1adcfa6ca1b9aa68a0308c3cbf
  • MD5: a44eaa8b0885123188ac4dd0d53da88f

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: 0a96b0ac4e363245"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "0a96b0ac4e36324557c3dc0c85fff1bee7dfcb1adcfa6ca1b9aa68a0308c3cbf"
}

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 0a96b0ac4e36324557c3dc0c85fff1bee7dfcb1adcfa6ca1b9aa68a0308c3cbf # MD5 a44eaa8b0885123188ac4dd0d53da88f
TypeValueNote
sha256 0a96b0ac4e36324557c3dc0c85fff1bee7dfcb1adcfa6ca1b9aa68a0308c3cbf Sample:GandCrab
md5 a44eaa8b0885123188ac4dd0d53da88f Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi