GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25695427e787bb623ba2d2ec51cb289ae579aea27a674d900f9aa239f6a034b05cc
MD5cc7ae6e4c86f605aab66fbd04eef7997
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name95427e787bb623ba2d2ec51cb289ae579aea27a674d900f9aa239f6a034b05cc
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: 95427e787bb623ba2d2ec51cb289ae579aea27a674d900f9aa239f6a034b05cc
  • MD5: cc7ae6e4c86f605aab66fbd04eef7997

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: 95427e787bb623ba"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "95427e787bb623ba2d2ec51cb289ae579aea27a674d900f9aa239f6a034b05cc"
}

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 95427e787bb623ba2d2ec51cb289ae579aea27a674d900f9aa239f6a034b05cc # MD5 cc7ae6e4c86f605aab66fbd04eef7997
TypeValueNote
sha256 95427e787bb623ba2d2ec51cb289ae579aea27a674d900f9aa239f6a034b05cc Sample:GandCrab
md5 cc7ae6e4c86f605aab66fbd04eef7997 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi