GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25634354feea6d67309727149a681d1d3c428f79a7c959db1b000a859dc92665913
MD502b2bcd04d291000f5175857482f34a7
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name34354feea6d67309727149a681d1d3c428f79a7c959db1b000a859dc92665913
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 34354feea6d67309727149a681d1d3c428f79a7c959db1b000a859dc92665913
  • MD5: 02b2bcd04d291000f5175857482f34a7

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: 34354feea6d67309"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "34354feea6d67309727149a681d1d3c428f79a7c959db1b000a859dc92665913"
}

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 34354feea6d67309727149a681d1d3c428f79a7c959db1b000a859dc92665913 # MD5 02b2bcd04d291000f5175857482f34a7
TypeValueNote
sha256 34354feea6d67309727149a681d1d3c428f79a7c959db1b000a859dc92665913 Sample:GandCrab
md5 02b2bcd04d291000f5175857482f34a7 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi