GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25629ee26cd5019c6c89af2b5371a0c15d27890344cff30d0ca8bb8a54b2051b608
MD50d53c47d8fba0c99bf349a317ff35b2c
File Typeexe
Size16384.0 KB
First Seen2023-04-28
File Name2023-04-27_0d53c47d8fba0c99bf349a317ff35b2c_gandcrab
TagsGandcrab, Ransomware

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: 29ee26cd5019c6c89af2b5371a0c15d27890344cff30d0ca8bb8a54b2051b608
  • MD5: 0d53c47d8fba0c99bf349a317ff35b2c

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: 29ee26cd5019c6c8"
        threat_level = "critical"
        first_seen = "2023-04-28"
    condition:
        hash.sha256(0, filesize) == "29ee26cd5019c6c89af2b5371a0c15d27890344cff30d0ca8bb8a54b2051b608"
}

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 29ee26cd5019c6c89af2b5371a0c15d27890344cff30d0ca8bb8a54b2051b608 # MD5 0d53c47d8fba0c99bf349a317ff35b2c
TypeValueNote
sha256 29ee26cd5019c6c89af2b5371a0c15d27890344cff30d0ca8bb8a54b2051b608 Sample:GandCrab
md5 0d53c47d8fba0c99bf349a317ff35b2c Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi