GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2562c39fcb9ab6cb50c36bbcbfb2242e5b10501089959f3b651fa21393cc80e5242
MD5ad6d143472d9ba78088841644e9ee31d
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name2c39fcb9ab6cb50c36bbcbfb2242e5b10501089959f3b651fa21393cc80e5242
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 2c39fcb9ab6cb50c36bbcbfb2242e5b10501089959f3b651fa21393cc80e5242
  • MD5: ad6d143472d9ba78088841644e9ee31d

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: 2c39fcb9ab6cb50c"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "2c39fcb9ab6cb50c36bbcbfb2242e5b10501089959f3b651fa21393cc80e5242"
}

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 2c39fcb9ab6cb50c36bbcbfb2242e5b10501089959f3b651fa21393cc80e5242 # MD5 ad6d143472d9ba78088841644e9ee31d
TypeValueNote
sha256 2c39fcb9ab6cb50c36bbcbfb2242e5b10501089959f3b651fa21393cc80e5242 Sample:GandCrab
md5 ad6d143472d9ba78088841644e9ee31d Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi