GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2562e4d64af8ce68474bcb21ebb9d9653ec7308392fdd953d34a085d96b9b4355c5
MD5465e2eb035175d8a64c5cdea9cbe6ab3
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name2e4d64af8ce68474bcb21ebb9d9653ec7308392fdd953d34a085d96b9b4355c5
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 2e4d64af8ce68474bcb21ebb9d9653ec7308392fdd953d34a085d96b9b4355c5
  • MD5: 465e2eb035175d8a64c5cdea9cbe6ab3

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: 2e4d64af8ce68474"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "2e4d64af8ce68474bcb21ebb9d9653ec7308392fdd953d34a085d96b9b4355c5"
}

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 2e4d64af8ce68474bcb21ebb9d9653ec7308392fdd953d34a085d96b9b4355c5 # MD5 465e2eb035175d8a64c5cdea9cbe6ab3
TypeValueNote
sha256 2e4d64af8ce68474bcb21ebb9d9653ec7308392fdd953d34a085d96b9b4355c5 Sample:GandCrab
md5 465e2eb035175d8a64c5cdea9cbe6ab3 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi