GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25679ed67892281026d034d0d5a1e16d30871cd13fb0ec3ac747960d92f8734341f
MD5835f9250346f320a544ed5e6d8a6e28f
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name79ed67892281026d034d0d5a1e16d30871cd13fb0ec3ac747960d92f8734341f
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 79ed67892281026d034d0d5a1e16d30871cd13fb0ec3ac747960d92f8734341f
  • MD5: 835f9250346f320a544ed5e6d8a6e28f

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: 79ed67892281026d"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "79ed67892281026d034d0d5a1e16d30871cd13fb0ec3ac747960d92f8734341f"
}

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 79ed67892281026d034d0d5a1e16d30871cd13fb0ec3ac747960d92f8734341f # MD5 835f9250346f320a544ed5e6d8a6e28f
TypeValueNote
sha256 79ed67892281026d034d0d5a1e16d30871cd13fb0ec3ac747960d92f8734341f Sample:GandCrab
md5 835f9250346f320a544ed5e6d8a6e28f Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi