GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256ac7196f5603e796018814fd5d5d3e6d82d802554bb1e222711c09178ae8a475d
MD57932d85c43827f357cb376a8cdfac792
File Typeexe
Size265.5 KB
First Seen2022-11-30
File Name90ea946d54e51946d72bad893fea31c750e89ef9
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: ac7196f5603e796018814fd5d5d3e6d82d802554bb1e222711c09178ae8a475d
  • MD5: 7932d85c43827f357cb376a8cdfac792

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: ac7196f5603e7960"
        threat_level = "critical"
        first_seen = "2022-11-30"
    condition:
        hash.sha256(0, filesize) == "ac7196f5603e796018814fd5d5d3e6d82d802554bb1e222711c09178ae8a475d"
}

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 ac7196f5603e796018814fd5d5d3e6d82d802554bb1e222711c09178ae8a475d # MD5 7932d85c43827f357cb376a8cdfac792
TypeValueNote
sha256 ac7196f5603e796018814fd5d5d3e6d82d802554bb1e222711c09178ae8a475d Sample:GandCrab
md5 7932d85c43827f357cb376a8cdfac792 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi