GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25695ad4d37778d37b878406f70ca62821db9225c527a5831c602d1aa6c060bd64d
MD5e7d5b587d660b96ea7adaa702dfe5dce
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name95ad4d37778d37b878406f70ca62821db9225c527a5831c602d1aa6c060bd64d
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

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

Threat Indicators (IOC)

  • SHA256: 95ad4d37778d37b878406f70ca62821db9225c527a5831c602d1aa6c060bd64d
  • MD5: e7d5b587d660b96ea7adaa702dfe5dce

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: 95ad4d37778d37b8"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "95ad4d37778d37b878406f70ca62821db9225c527a5831c602d1aa6c060bd64d"
}

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 95ad4d37778d37b878406f70ca62821db9225c527a5831c602d1aa6c060bd64d # MD5 e7d5b587d660b96ea7adaa702dfe5dce
TypeValueNote
sha256 95ad4d37778d37b878406f70ca62821db9225c527a5831c602d1aa6c060bd64d Sample:GandCrab
md5 e7d5b587d660b96ea7adaa702dfe5dce Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi