GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25622d38a8fe7ec92da3a8442dab2764ebcf52b0d78aee97f3b7c0935ec94e4d98e
MD56323601c50a71de3c77d7b00d80e87cb
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name22d38a8fe7ec92da3a8442dab2764ebcf52b0d78aee97f3b7c0935ec94e4d98e
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 22d38a8fe7ec92da3a8442dab2764ebcf52b0d78aee97f3b7c0935ec94e4d98e
  • MD5: 6323601c50a71de3c77d7b00d80e87cb

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: 22d38a8fe7ec92da"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "22d38a8fe7ec92da3a8442dab2764ebcf52b0d78aee97f3b7c0935ec94e4d98e"
}

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 22d38a8fe7ec92da3a8442dab2764ebcf52b0d78aee97f3b7c0935ec94e4d98e # MD5 6323601c50a71de3c77d7b00d80e87cb
TypeValueNote
sha256 22d38a8fe7ec92da3a8442dab2764ebcf52b0d78aee97f3b7c0935ec94e4d98e Sample:GandCrab
md5 6323601c50a71de3c77d7b00d80e87cb Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi