GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256a0c4e193a9993abbf39999fa6ca0becaba9cba2f8929307e27410425118e5a2b
MD5c7d418d337c0e63c01c3d5b6783a9916
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namea0c4e193a9993abbf39999fa6ca0becaba9cba2f8929307e27410425118e5a2b
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: a0c4e193a9993abbf39999fa6ca0becaba9cba2f8929307e27410425118e5a2b
  • MD5: c7d418d337c0e63c01c3d5b6783a9916

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: a0c4e193a9993abb"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "a0c4e193a9993abbf39999fa6ca0becaba9cba2f8929307e27410425118e5a2b"
}

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 a0c4e193a9993abbf39999fa6ca0becaba9cba2f8929307e27410425118e5a2b # MD5 c7d418d337c0e63c01c3d5b6783a9916
TypeValueNote
sha256 a0c4e193a9993abbf39999fa6ca0becaba9cba2f8929307e27410425118e5a2b Sample:GandCrab
md5 c7d418d337c0e63c01c3d5b6783a9916 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi