GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2569994b076993b316f9529213b7ceac1948a5daae1a044fda079ea9f72d15586c3
MD5b3c6f8deb4864cf10a75b0fc840a450f
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name9994b076993b316f9529213b7ceac1948a5daae1a044fda079ea9f72d15586c3
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 9994b076993b316f9529213b7ceac1948a5daae1a044fda079ea9f72d15586c3
  • MD5: b3c6f8deb4864cf10a75b0fc840a450f

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: 9994b076993b316f"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "9994b076993b316f9529213b7ceac1948a5daae1a044fda079ea9f72d15586c3"
}

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 9994b076993b316f9529213b7ceac1948a5daae1a044fda079ea9f72d15586c3 # MD5 b3c6f8deb4864cf10a75b0fc840a450f
TypeValueNote
sha256 9994b076993b316f9529213b7ceac1948a5daae1a044fda079ea9f72d15586c3 Sample:GandCrab
md5 b3c6f8deb4864cf10a75b0fc840a450f Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi